Malicious PDF — malware analysis report

Static analysis result for SHA-256 c279dde80719b743…

MALICIOUS

PDF

54.8 KB Authoring application: Pdftk First seen: 2020-09-24
MD5: cc8ec42270c4619dd14c638410d205d2 SHA-1: ab5bf48df281df900d3e3d0d698f71b7b9eb3b89 SHA-256: c279dde80719b743de46b498e4e5ae53d9c87aed613bf4344ddef6b2d87bb8c2
102 Risk Score

Malware Insights

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

This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document body, though partially obfuscated, contains references to a 'Blendtec recipe book' and includes multiple URLs pointing to external PDF files, suggesting a phishing or malware distribution lure. The presence of urgency language further supports the phishing pretext. No scripts were extracted, but the embedded URLs are the primary indicators of compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://marinaccounting.net/uploads/1/3/0/6/130604552/3240527.pdf PDF link annotation
    • http://mountaincreekresortrentals.com/uploads/1/3/0/3/130323588/8721624.pdfIn PDF document text
    • http://cowle.de/uploads/1/3/0/5/130551339/girozotidezox.pdfIn PDF document text
    • http://arriver.se/uploads/1/3/0/5/130539697/6879714.pdfIn PDF document text
    • http://riversidecountyhistory.org/uploads/1/3/0/7/130740607/130740607.html#blendtec+recipe+bookIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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
font_00_sfnt_off00001057.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1057 9288 bytes
SHA-256: 40d6e2bdc886d2be3aa2e3ba8f3869c9159fe4d79e6fb2737accb3704b65c7ff
font_01_sfnt_off00009009.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9009 16492 bytes
SHA-256: a88a3252a732d83265545c0d7bca880eac5c53956b7c2c19aa40bc62a0bd5b2d

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