Malicious PDF — malware analysis report

Static analysis result for SHA-256 b8c38238b0c08d8a…

MALICIOUS

PDF

142.4 KB Created: 2022-06-08 03:49:30 +02:00 Authoring application: trisdart (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: 4647ffcb924e022dd75c9058bc2a4b00 SHA-1: 3bba27cdd2c24ac99ad14ca4b0b72c0c298940bd SHA-256: b8c38238b0c08d8a06f7207e06b87ea7c50cd07f49ef086ead750df8027a320a
134 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous links to websites advertising cracked software, indicating a lure for users to download potentially malicious applications. The presence of a LOLBin token sequence in the document text further suggests an attempt to execute commands or exploit vulnerabilities. The primary attack pattern involves social engineering users into visiting malicious sites disguised as software download portals.

Machine Learning

  • Nyx PDF Classifier clean score 0.0055

Heuristics 5

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
    Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
  • PDF link farm advertises cracked/pirated software medium PDF_CRACKED_SOFTWARE_LURE
    PDF contains many clickable links whose targets use cracked-software, keygen, serial-key, or warez vocabulary. These are SEO-spam lure documents that rank for software-piracy searches and route users to fake 'crack' download pages distributing potentially-unwanted programs, adware, or droppers. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://evacdir.com/Q2VyYmVydXMgWAQ2V.nibbling/quotient.ZG93bmxvYWR8NlJRTmpWdGQzeDhNVFkxTkRZME16TTFNSHg4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA&hampshire=joni PDF link annotation
    • https://karahvi.fi/wp-content/uploads/2022/06/Open_Dicom_Viewer__Crack_.pdfIn PDF document text
    • https://lalinea100x100.com/2022/06/08/ultravpn-crack-free-latest/In PDF document text
    • https://lll.dlxyjf.com/upload/files/2022/06/Gfgpg62c3ghkpJrsnQIa_08_5c89741404f3dcb9a3b34836f2926e15_file.pdfIn PDF document text
    • http://mytown247.com/?p=42151In PDF document text
    • https://mandarininfo.com/file-splitter-crack-final-2022/In PDF document text
    • http://ideaboz.com/?p=7354In PDF document text
    • https://omidsoltani.ir/wp-content/uploads/2022/06/Puzzle_Pieces_Icons__Crack__.pdfIn PDF document text
    • https://fortworth-dental.com/wp-content/uploads/2022/06/Auto_Logon_Tool.pdfIn PDF document text
    • https://concretolt.ro/advert/faraway-planet-3d-screensaver-crack-activation-key-download/In PDF document text
    • https://copainca.com/?p=82669In PDF document text
    • https://www.luckyanimals.it/correct-o-chem-2-10-with-key-x64-2022-new/In PDF document text
    • http://www.5280homes.com/?p=51985In PDF document text
    • https://richonline.club/upload/files/2022/06/rJ3ztIPdYgzmW8jCxSfM_08_5c89741404f3dcb9a3b34836f2926e15_file.pdfIn PDF document text
    • https://freebetc.com/wp-content/uploads/zyvpaky.pdfIn PDF document text
    • https://hanffreunde-braunschweig.de/wp-content/uploads/2022/06/Phythagoras_Calculator__Crack_Download_Latest2022.pdfIn PDF document text
    • http://goldeneagleauction.com/?p=27838In PDF document text
    • https://moronencaja.com/wp-content/uploads/2022/06/qmol.pdfIn PDF document text
    • https://cancuntoursbook.com/wp-content/uploads/2022/06/jamemari.pdfIn PDF document text
    • https://wakelet.com/wake/wNAEYCozLSxvpMFAktftEIn PDF document text
    • https://tenutpecildefivefi.wixsite.com/neulopakpitch/post/cmdedit-crack-free-download-32-64bit-latest-2022In PDF document text
    • http://www.tcpdf.orgIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://www.aiim.org/pdfa/ns/extension/In PDF document text
    • http://www.aiim.org/pdfa/ns/schema#In PDF document text
    • http://www.aiim.org/pdfa/ns/property#In PDF document text
    • http://www.aiim.org/pdfa/ns/id/In PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_015_off00005b3b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5B3B 120140 bytes
SHA-256: a217f12862e0ff75203bdd4136ca0d68471050be46bb09aed5306898926ffdd4

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