Malicious PDF — malware analysis report

Static analysis result for SHA-256 390a565c9dbc3378…

MALICIOUS

PDF

1.63 MB Created: 2014-08-03 10:17:28 Authoring application: Modern PDF Printer Driver (via Modern PDF Printer Driver 1.02) First seen: 2026-05-04
MD5: 9b0dbd7cdac47c1f12252a51413f8de3 SHA-1: 969705968fbf08bfdf9c3c6dcdda2e8db38bf69c SHA-256: 390a565c9dbc33780f9639e5931e2bbcc1195b3c981bd889ad7bbb698873b9d6
618 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file contains JavaScript that uses the 'exportDataObject' function to extract an embedded executable file named 'Carding.pdf'. This executable is detected as a Windows executable by ClamAV and is associated with Metasploit stagers. The PDF also utilizes a launch action that targets 'cmd.exe', indicating an attempt to execute the dropped payload, exploiting CVE-2010-1240.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9911

Heuristics 14

  • Adobe Reader Launch action command execution critical CVE exact CVE_2010_1240
    PDF uses the Adobe Reader/Acrobat Launch action pattern associated with CVE-2010-1240: cmd.exe is invoked with attacker-controlled parameters, paired with an embedded/exported payload.
  • ClamAV: Pdf.Dropper.Agent-7250152-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7250152-0
  • Launch action critical PDF_LAUNCH
    PDF contains a /Launch action whose target is an executable, URL, or UNC path — can start an external application
  • Embedded Windows executable payload in PDF stream critical PDF_EMBEDDED_PE_PAYLOAD
    PDF stream bytes contain an embedded Windows executable with a verified PE header. Exploit chains often hide droppers inside ordinary streams rather than standard /EmbeddedFile attachments.
  • /Launch action target: cmd.exe critical PDF_LAUNCH_COMMAND
    PDF /Launch action specifies an executable target with parameters '/Q /C %HOMEDRIVE%&cd %HOMEPATH%&(if exist "Desktop\\Carding.pdf" (cd "Desktop"' — references a known-dangerous executable (cmd, PowerShell, etc.).
  • Embedded attachment masquerades: declared document, content is windows-executable critical PDF_EMBEDDED_FILESPEC_CONTENT_MISMATCH
    An /EmbeddedFile attachment's declared filename extension or /Subtype MIME type contradicts the magic bytes of its decompressed content. The attachment is declared as a benign document or image but the bytes are an executable or executable-bearing archive. This is a deliberate deception used to hide droppers in PDF attachments and is a generic indicator of embed-and-drop weaponisation, independent of any specific CVE.
  • Suspicious extracted artifact critical EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • /Launch action paired with attachment-dropping JS API high PDF_LAUNCH_PLUS_DROPPER_JS
    PDF combines a /Launch action with a JavaScript API call that writes or opens an attached/external resource — the canonical shape of the CVE-2010-1240 /Launch + exportDataObject family. Benign PDFs do not pair these surfaces; the combination indicates a drop-and-execute chain regardless of the specific JS API knobs or /Launch target.
  • Clickable PDF combines external action with parser-evasion structure high PDF_ACTION_PARSER_EVASION
    PDF has an external clickable URI together with object graph or xref structures that make parsers disagree, such as divergent duplicate objects, parser divergence, or xref offset mismatch. That combination is stronger than a plain link: the document is both an outward-action carrier and a parser-confusion/evasion sample.
  • JavaScript action low 1 related finding PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded file low PDF_EMBEDDED
    PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://www.modernpdf.com PDF link annotation
    • http://www.hashkiller.co.uk/md5-decrypter.aspx(TempatIn PDF document text
    • https://crackstation.net/In PDF document text
    • http://www.hashkiller.co.uk/list-In PDF document text
    • http://www.naufal48.com/pp/In PDF document text
    • http://www.zeustech.net/Referenced by PDF JavaScript
    • http://]hostname[:port]/pathIn extracted file (Carding.pdf)
    • tcp://52.15.62.13:14536In extracted file (Carding.pdf)
    • http://www.facebook.com/groups/always.freeS/551513511625933In PDF document text
    • http://www.facebook.com/groups/always.freeS/551513511625933/In PDF document text
    • http://www.facebook.com/groups/always.freeS/552876948156256/In PDF document text
    • http://www.facebook.com/groups/always.freeS/552877581489526/In PDF document text
    • http://www.facebook.com/groups/always.freeS/552877891489495/In PDF document text
    • http://www.facebook.com/groups/always.freeS/552881514822466/In PDF document text
    • http://www.facebook.com/groups/always.freeS/552881984822419/In PDF document text
    • http://www.facebook.com/groups/always.freeS/552883111488973/In PDF document text
    • http://www.facebook.com/groups/always.freeS/552884674822150/In PDF document text
    • http://www.facebook.com/groups/always.freeS/552885534822064/In PDF document text
    • http://www.facebook.com/groups/always.freeS/553289138115037/In PDF document text
    • http://www.facebook.com/groups/always.freeS/553305608113390/In PDF document text
    • http://www.facebook.com/groups/always.freeS/552881364822481/In PDF document text
    • https://www.facebook.com/groups/always.freeS/551513511625933In PDF document text
    • https://www.facebook.com/groups/always.freeS/551513511625933/In PDF document text
    • https://www.facebook.com/groups/always.freeS/552876948156256/In PDF document text
    • https://www.facebook.com/groups/always.freeS/552877581489526/In PDF document text
    • https://www.facebook.com/groups/always.freeS/552877891489495/In PDF document text
    • https://www.facebook.com/groups/always.freeS/552881514822466/In PDF document text
    • https://www.facebook.com/groups/always.freeS/552881984822419/In PDF document text
    • https://www.facebook.com/groups/always.freeS/552883111488973/In PDF document text
    • https://www.facebook.com/groups/always.freeS/552884674822150/In PDF document text
    • https://www.facebook.com/groups/always.freeS/552885534822064/In PDF document text
    • https://www.facebook.com/groups/always.freeS/553289138115037/In PDF document text
    • https://www.facebook.com/groups/always.freeS/553305608113390/In PDF document text
    • https://www.facebook.com/groups/always.freeS/552881364822481/In PDF document text
    • http://prntscr.com/490mk7In PDF document text
    • http://www.apache.org/Referenced by PDF JavaScript

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
Carding.pdf pdf-embedded-file PDF EmbeddedFile object 185 at offset 0x1972F2 73802 bytes
SHA-256: c2e7361e799f3fde7ec732de3bf1872d82469ea3a192b084b93064068fb09d31
Detection
ClamAV: Win.Trojan.MSShellcode-7
Obfuscation or payload: likely
actual_type=PE; declared_or_context_type=PDF; filename=Carding.pdf; kind=pdf-embedded-file Static shellcode analysis recovered the Metasploit stager connect-back address: 52.15.62.13:14536 (reverse/x86, public) Static shellcode analysis found candidate code region(s). Indicators: SC_PEB_ACCESS, SC_MSF_REVERSE, SC_PUSH_STRING Static shellcode analysis recovered API/import strings: kernel32.dll, advapi32.dll, KERNEL32.DLL, ADVAPI32.DLL, LoadLibraryA, GetProcAddress
javascript_obj0186_000.js pdf-javascript-stream PDF /JS object 186 at offset 0x1A1F46 56 bytes
SHA-256: 5c4e20c1da1e21683787887bd725d4676a2d135c2e3f6655828b7f8cbbd514db
Preview script
First 1,000 lines of the extracted script
this.exportDataObject({ cName: "Carding", nLaunch: 0 });

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