Malicious PDF — malware analysis report

Static analysis result for SHA-256 466218b8967d94a7…

MALICIOUS

PDF

34.0 KB Authoring application: pdf-parser
MD5: 47840aa7591f46fc9640c0785501b467 SHA-1: 8bb1e106e02ed27677aef3258204a11246e2baaa SHA-256: 466218b8967d94a7d4129e0b51138bb4ce67fc0f69eb1a2a1d13a6f7e34197cb
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file exhibits a critical heuristic firing for PDF_SEO_LINK_FARM, indicating a large number of external links. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The embedded URLs, predominantly hosted on various domains with numeric or generic slugs, are likely part of a link farm designed to distribute malicious content or lead users to phishing pages. No scripts were extracted from this sample.

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.melissamichaelwedding.com/uploads/1/3/0/8/130813896/viwukosiginoxukes.pdf
    • http://williamsonautomotive.ca/uploads/1/3/0/3/130379604/5058270.pdf
    • http://bergencountyfieldhockey.com/uploads/1/3/0/2/130289686/4345833.pdf
    • http://inwoodfunding.com/uploads/1/3/0/5/130540897/2876314.pdf
    • http://suitsforteens.org/uploads/1/3/0/2/130271060/pelemetaxeni_teleran_luzanoral_jezokuramiki.pdf
    • http://weekendswithavegan.com/uploads/1/3/0/8/130874672/maxokulo-wajifezuf.pdf
    • http://www.taranakitimebanks.com/uploads/1/3/0/5/130588559/ziriwe_dugoko.pdf
    • http://www.fromfarmandforest.com/uploads/1/3/0/6/130621287/lopapenerokobus.pdf
    • http://icrm2019.org/uploads/1/3/0/4/130435746/botopasazaf.pdf
    • http://springfieldilemojis.com/uploads/1/3/0/9/130969744/wabepogebab.pdf
    • http://lisettecabrera.net/uploads/1/3/0/6/130604145/3206425.pdf
    • http://olivesandoil.net/uploads/1/3/0/4/130489019/1156971.pdf
    • http://bebelluche.com/uploads/1/3/0/5/130541950/1869084.pdf
    • http://theriversedgeranch.com/uploads/1/3/0/5/130541846/pibapavuzabokupef.pdf
    • http://smokeshopmd.com/uploads/1/3/0/6/130604372/vineko-mokumevi.pdf
    • http://apayoart.com/uploads/1/3/0/8/130813782/tuxud.pdf
    • http://ht7385.salon225.com/uploads/1/3/0/6/130621757/130621757.html#age+of+empires+2+japanese+build+order

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000028dd.bin
31ade230d79f12caf94f84623e07f5709d0358d4aaa466257286418c43d32ca5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28DD 7896 bytes

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