Malicious PDF — malware analysis report

Static analysis result for SHA-256 6aa82dbfdf90e192…

MALICIOUS

PDF

43.3 KB Authoring application: pstoedit
MD5: e6d0b3e10af46556a12e0cd164ccf863 SHA-1: eb965635ba04933108af372c1414415bba70481f SHA-256: 6aa82dbfdf90e192a5ea5ec23fae6da33097d2323f0089fe9c01286bfe2d20f4
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as phishing and potentially related to traffic redirection. No scripts were extracted, but the embedded URLs are the primary indicators of malicious activity.

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://xp-streich.com/uploads/1/3/0/4/130476672/pafitikuk.pdf
    • http://swmyarn.com/uploads/1/3/0/3/130379529/nirolizolutamuf.pdf
    • http://emilyranney.com/uploads/1/3/0/7/130775850/fd42c80d9.pdf
    • http://civilwarlady.org/uploads/1/3/0/6/130620660/2465e649d.pdf
    • http://knowwebdesign.com/uploads/1/3/0/6/130620585/sunosi_bowirusa.pdf
    • http://streetsarerunways.com/uploads/1/3/0/6/130639126/d250072c6f75bcd.pdf
    • http://pittybullystaffyaddicts.com/uploads/1/3/0/5/130551896/sixanerinuv.pdf
    • http://openarmsbanduk.com/uploads/1/3/0/2/130288510/zusirezatofabim.pdf
    • http://bfndorganics.com/uploads/1/3/0/7/130740387/wekep-jaxudetewubewif.pdf
    • http://sokolove.store/uploads/1/3/0/6/130605044/babaxizokisanuni.pdf
    • http://reicoinvestment.com/uploads/1/3/0/6/130605506/8714a0be02c4b6.pdf
    • http://adriftwoodworks.com/uploads/1/3/0/7/130739156/kuvoxoxudazaz.pdf
    • http://myalliedbenefits.com/uploads/1/3/0/5/130588591/948171.pdf
    • http://bienchulitos.com/uploads/1/3/0/5/130588272/nisarogisemukikolaso.pdf
    • http://miquelroig.com/uploads/1/3/0/6/130604326/4c94623bf.pdf
    • http://intermodelguatemala.com/uploads/1/3/0/5/130539518/be66c1f79b8a84f.pdf
    • http://drybonespgh.com/uploads/1/3/0/3/130313044/fezigepaxemoxag.pdf
    • http://bentworthcommunitycenter.com/uploads/1/3/0/2/130274267/tixuk_movomonarepi.pdf
    • http://texanhomestudy.com/uploads/1/3/0/6/130620268/numimavuguxe.pdf
    • http://nicotineconfesses.com/uploads/1/3/0/6/130604886/8827984.pdf
    • http://landedmusic.com.au/uploads/1/3/0/3/130313638/sogezol.pdf
    • http://ncfg.life/uploads/1/3/0/8/130813956/lokes.pdf
    • http://arihua.com/uploads/1/3/0/7/130739197/lusesoxifisog-keredegasub-nigete-zosakej.pdf
    • http://wcd-ggtd2i7.mgh-r.ch/uploads/1/3/0/4/130476122/130476122.html#chapter+3+biology+class+11+ncert+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000047bb.bin
a993f8d686f1c4d4408a2f71783a88cff469312b96b4342be451b1033a4dde7e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x47BB 7852 bytes

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