Malicious PDF — malware analysis report

Static analysis result for SHA-256 04cbe970ece097bb…

MALICIOUS

PDF

34.1 KB Authoring application: PDFedit
MD5: 1d29c1d364051c6e93d13b0244249395 SHA-1: a2d3938e2dcdee25ae9422ab802461604aa9af94 SHA-256: 04cbe970ece097bbe96c0a916a9aa0f80d032223b4cabed4af69f1b14fb5700a
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. This suggests a tactic to distribute or link to potentially malicious content, or for SEO manipulation. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious intent, likely related to phishing or traffic redirection.

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://www.flashutcoins.com/uploads/1/3/0/8/130814643/wafidubogitawejefete.pdf
    • http://tanquerita.com/uploads/1/3/0/4/130435590/vejikaki-tuvisijasunel-rezaxiduval-xuxuzawi.pdf
    • http://mustardgreen.net/uploads/1/3/0/6/130620846/8844724.pdf
    • http://theroominrome.com/uploads/1/3/0/4/130435688/8979470.pdf
    • http://storypalette.com/uploads/1/3/0/5/130589385/952ccd.pdf
    • http://www.stellacrawford.com/uploads/1/3/0/4/130488401/ffd8e.pdf
    • http://www.hunterslanefarm.com/uploads/1/3/0/5/130588328/0a7e4b7.pdf
    • http://jackrthompson.net/uploads/1/3/0/4/130489131/mokaxakilutefavele.pdf
    • http://thrivechurches.com/uploads/1/3/0/6/130639669/2857804.pdf
    • http://hillsideelectric1.com/uploads/1/3/0/2/130272851/3254026.pdf
    • http://erinpequeno.com/uploads/1/3/0/2/130288421/7804083.pdf
    • http://backpackbunch.net/uploads/1/3/0/4/130483117/4fa5530396d930.pdf
    • http://10thavenuerebuilders.com/uploads/1/3/0/4/130483402/9531895.pdf
    • http://aivl4l.salon225.com/uploads/1/3/0/7/130776763/130776763.html#advantages+and+disadvantages+of+accrual+accounting+and+cash+accounting

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002e33.bin
ff298ad49e2352d086f5c604993671716a9e58661bbe2df12c9ab33440a6e04d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2E33 7164 bytes

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