Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e8b10e98ff7c82b…

MALICIOUS

PDF

59.6 KB Authoring application: Scribus
MD5: 99d29eb882d19d6f170a94a1b3816d5d SHA-1: c84ea050cbbf42a2a29cb09f49e04e11668352d3 SHA-256: 4e8b10e98ff7c82bd9e2c898572ee5c2215d43e5bff69021a04315a418ad340a
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent. The embedded URLs are the primary indicators of compromise, suggesting a distribution or redirection mechanism.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://26thplaceflats.com/uploads/1/3/0/3/130323092/deramotufa.pdf
    • http://www.voteforcars.com/uploads/1/3/0/3/130323656/00bf395e6.pdf
    • http://evclothingco.com/uploads/1/3/0/3/130379928/gelusivuzexojono.pdf
    • http://ragnarlegend.com/uploads/1/3/0/6/130622076/af94faea09f039.pdf
    • http://angelahardison.online/uploads/1/3/0/5/130540366/gugadep.pdf
    • http://zagreb-experience-tours.com/uploads/1/3/0/8/130874034/tusalabidamarew.pdf
    • http://www.rodeko.dk/uploads/1/3/0/8/130814349/e2c48e31601a.pdf
    • http://neemsounds.com/uploads/1/3/0/6/130621158/zatolerukup.pdf
    • http://civilconflicts.com/uploads/1/3/0/8/130813557/bexutug.pdf
    • http://beachesdbt.com/uploads/1/3/0/5/130550775/lanosexunev_solisifeb.pdf
    • http://ilovefatjacks.club/uploads/1/3/0/5/130543368/49c91b567abfe94.pdf
    • http://www.ciposse.com/uploads/1/3/0/6/130620451/muzekafo.pdf
    • http://littlebernie.com/uploads/1/3/0/3/130323593/338672d83df8.pdf
    • http://whitehousemeats.net/uploads/1/3/0/4/130489359/756900b2d3292b1.pdf
    • http://amandaporterfield.com/uploads/1/3/0/5/130588560/9195563.pdf
    • http://keeganwhitedesigns.club/uploads/1/3/0/7/130738779/6046379.pdf
    • http://enamelchannel.com/uploads/1/3/0/2/130270796/b63bde3ba2fb903.pdf
    • http://sassyarabia.com/uploads/1/3/0/7/130740046/sosuj.pdf
    • http://caravanleisureni.com/uploads/1/3/0/7/130776319/jojemizarusitexu.pdf
    • http://neverreacttohate.com/uploads/1/3/0/6/130621128/safod_dobesu_rigika_xufobumaxibug.pdf
    • http://abbeys-family.rominastiebenphotography.com/uploads/1/3/0/5/130588199/130588199.html#cross-cultural+communication+competence

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001613.bin
3b7f2ea85314b93ac1558fa61c66a4a08dba4861ce5cc9ad593bfa0635842a89		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1613 8752 bytes

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