Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ae3c2bb919efd37…

MALICIOUS

PDF

35.8 KB Authoring application: Scribus
MD5: 4449cde04a61ccaa18dc7fb56a625892 SHA-1: 3b859f025405703775a759794e45cef90f2833af SHA-256: 6ae3c2bb919efd373256afae90ecd9ff2eab52b69238c68761089e83c53022d9
152 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical alert for a link farm containing numerous external PDF URLs. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output further indicate malicious intent. The embedded URLs suggest a phishing or SEO manipulation campaign, likely designed to redirect users to malicious sites or download further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://givinghandsassociation.com/uploads/1/3/0/4/130476616/ruzixonut-fajalix.pdf
    • http://kpugaming.com/uploads/1/3/0/8/130873856/xadufiju-zasugipikugifew.pdf
    • http://bcn-fashionhouse.com/uploads/1/3/0/2/130287960/rirexikoxasuder.pdf
    • http://thestavergroup.com/uploads/1/3/0/4/130476541/xujof.pdf
    • http://www.pittsburghsepticcleaner.com/uploads/1/3/0/8/130874514/xiwotazikav.pdf
    • http://fairchildpups.com/uploads/1/3/0/4/130476074/8686710.pdf
    • http://www.ssongsbeau.com/uploads/1/3/0/6/130639344/welujimaxanunem.pdf
    • http://offthepier.net/uploads/1/3/0/5/130538931/5002746.pdf
    • http://stile-s.org/uploads/1/3/0/5/130588976/vulam.pdf
    • http://moayas.com/uploads/1/3/0/8/130813429/4422408.pdf
    • http://hailifangyulechengxianlu.br3h.com/uploads/1/3/0/4/130489434/130489434.html#air+cooled+and+water+cooled+chillers

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000033b2.bin
27cdaa62dc642030f708f38d703fe55a73a103b4dc281bb9d2c96007b3fa4f5e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x33B2 8752 bytes

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