Malicious PDF — malware analysis report

Static analysis result for SHA-256 30ab75acd58cdfcc…

MALICIOUS

PDF

43.7 KB Authoring application: pdf-parser First seen: 2020-09-24
MD5: ec2ae01fb029b8faf910a1f519cea450 SHA-1: c92bda7eb6c44ac4c820926e69b07d50fad62adb SHA-256: 30ab75acd58cdfcc8ae4cfd5ad2570618addaa608a533e7a05ac140e5c25da86
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document detected as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure. It contains multiple embedded URLs pointing to potentially malicious PDF and HTML files, suggesting it's part of a campaign to distribute further malware. No scripts were extracted, but the presence of external URIs and the phishing lure heuristic indicate a likely attempt to trick users into downloading and executing a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://koxuxaz.vn-kr.com/uploads/2020/01/28/a64812.pdf PDF link annotation
    • http://spiritcircuits.net/uploads/1/3/0/4/130483118/josul.pdfIn PDF document text
    • http://car-gocarriers.com/uploads/1/3/0/5/130550858/firumimenef.pdfIn PDF document text
    • http://novaoraldesigns.com/uploads/1/3/0/5/130588287/5144611.pdfIn PDF document text
    • https://mibuvazixadiruf.weebly.com/uploads/1/3/0/5/130588451/6376996.pdfIn PDF document text
    • http://nicolitulk.com.au/uploads/1/3/0/5/130539102/130539102.html#aha+acls+suspected+stroke+algorithmIn PDF document text

Related samples 7

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
font_00_sfnt_off000010be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10BE 9260 bytes
SHA-256: 8a3db3fb63b96968b8fb39cdd1e9aabc9cc4a060be79c1d1669cfce5f9b13789

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