Malicious PDF — malware analysis report

Static analysis result for SHA-256 29acbb1c63402503…

MALICIOUS

PDF

43.1 KB Authoring application: QPDF
MD5: 9899c90d6a1019cc0476c442eb69df12 SHA-1: 9af728214a4901ffe65edc6cbb4e64b95e2066ed SHA-256: 29acbb1c6340250377b96e387dac4db666c80bd4c7c82a8a3c7dcf52fe0943c2
150 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output strongly indicate malicious intent, likely phishing or traffic redirection. The embedded URLs point to various domains, suggesting a coordinated effort to distribute malicious content or redirect users.

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.nmsignaturecleaning.com/uploads/1/3/0/6/130604040/1593c0.pdf
    • http://bigdaddyboomerangs.com/uploads/1/3/0/2/130288830/gopenojovisaw.pdf
    • http://www.brettsimper.com/uploads/1/3/0/5/130588221/mavajipun.pdf
    • http://movethatmountain.org/uploads/1/3/0/4/130435943/mowikop.pdf
    • http://courtneyscorner89.com/uploads/1/3/0/2/130287279/dedibavo.pdf
    • http://opvakantienaaribiza.nl/uploads/1/3/0/3/130313091/sitefubemut.pdf
    • http://lavaloveyourself.com/uploads/1/3/0/7/130739038/luliri_salemow.pdf
    • http://eikumpel.com/uploads/1/3/0/4/130475973/nunasorevifevubina.pdf
    • http://myaffiliatepages.org/uploads/1/3/0/3/130323513/puwuwefogotuxasatiti.pdf
    • http://richerhomerental.com/uploads/1/3/0/4/130489351/8619764.pdf
    • http://www.bluethumb.club/uploads/1/3/0/5/130589420/6009594.pdf
    • http://godenergi.com/uploads/1/3/0/4/130489499/d73d5244.pdf
    • http://joiasands.com/uploads/1/3/0/7/130739152/kefewotupe.pdf
    • http://ola-online.com/uploads/1/3/0/2/130270985/nemuzadi-lefumisuruxos.pdf
    • http://jessibriggs.com/uploads/1/3/0/5/130551091/1ebe982b045b73.pdf
    • http://tommyberry.com/uploads/1/3/0/6/130604113/vizuk.pdf
    • http://a1-therapy.com/uploads/1/3/0/7/130775379/4646004.pdf
    • http://kirillbondar.net/uploads/1/3/0/5/130588710/tesinutow.pdf
    • http://schaunob.com/uploads/1/3/0/4/130435518/2685024.pdf
    • http://shanefaddis.com/uploads/1/3/0/2/130287852/7412733.pdf
    • http://biortonutricion.com/uploads/1/3/0/5/130539338/5a2c414f77.pdf
    • http://www.donthirejerks.com/uploads/1/3/0/4/130483447/vumowep-digaxowulogemi-wazikolidozasab.pdf
    • http://parkpetproject.com/uploads/1/3/0/5/130539002/mamofix_kabiwip.pdf
    • http://communitychi.com/uploads/1/3/0/6/130621579/kevutolanol-naralix-nakuverafivor-dikumetufonopiv.pdf
    • http://estudio-thuban.com/uploads/1/3/0/6/130639449/130639449.html#side+effects+of+acute+kidney+failure

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000047fd.bin
7b77f54fd0dc38d2b2afc85092184c8beeb943330a123f9d485e2baa8e25cd7e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x47FD 7056 bytes

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