Malicious PDF — malware analysis report

Static analysis result for SHA-256 034df61c338be24e…

MALICIOUS

PDF

40.2 KB Authoring application: Adobe PDF Library 9.0
MD5: c39eaa88690cbf17874a2be912315d7d SHA-1: 86daf892103bb7f45d06f6bf731c7dd234dc9bf6 SHA-256: 034df61c338be24eec369146ffaa2d2aec3f0dfc5a6cf6fabe0723d6bac2c3a7
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. These links point to numerous PDF files hosted on various domains, suggesting a link farm or SEO manipulation tactic. The ML classifier and ClamAV detection further support its malicious nature, flagging it as phishing-related. No scripts were extracted, but the sheer volume of external links indicates a probable attempt to redirect users to malicious content or facilitate further compromise.

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.thepdmg4u.com/uploads/1/3/0/2/130289700/muliritodatop-tovuziz-nobotakitedoza.pdf
    • http://veterinaire-bonnevoie.lu/uploads/1/3/0/5/130589161/30149dd9.pdf
    • http://cultureswimwear.com/uploads/1/3/0/6/130621425/670677.pdf
    • http://jhduo.com/uploads/1/3/0/7/130740389/baxifoboviditomox.pdf
    • http://www.secondchancesonlinethrift.com/uploads/1/3/0/2/130272548/dozibubuvur.pdf
    • http://jessicafaisant.com/uploads/1/3/0/3/130313336/2358999.pdf
    • http://mvnhs.org/uploads/1/3/0/6/130621193/7028623.pdf
    • http://graciousgowns.com/uploads/1/3/0/5/130551248/2b10ac4925e973b.pdf
    • http://maisonexxpo.com/uploads/1/3/0/5/130544468/wusapevagaji-kumak-zixagorugutej.pdf
    • http://cladnh.com/uploads/1/3/0/3/130313108/lokifatodabuwefib.pdf
    • http://howtoadwords.net/uploads/1/3/0/6/130621947/7955285.pdf
    • http://newtouchstone.com/uploads/1/3/0/5/130539033/4195608.pdf
    • http://peakplates.co.uk/uploads/1/3/0/7/130776715/8273910.pdf
    • http://aceitesdelatierra.com/uploads/1/3/0/7/130739538/mukofuxovofaxe.pdf
    • http://alinmobiliaria.com/uploads/1/3/0/2/130289550/wowotonoweta-viremapepigo-sanobu-bijesedotox.pdf
    • http://nationalparkingassociation.org/uploads/1/3/0/6/130621301/pezanamebelemu-sanin.pdf
    • http://necoraindustries.com/uploads/1/3/0/3/130379675/9857934.pdf
    • http://newcoastermagazine.2waterspublishing.com/uploads/1/3/0/3/130313790/daxifemu.pdf
    • http://nashvillefostercarecloset.com/uploads/1/3/0/3/130379517/wakamolizaji.pdf
    • http://buildajump.com/uploads/1/3/0/7/130739346/203909.pdf
    • http://drfixcredit.com/uploads/1/3/0/6/130603867/dasuxi-pidopazu.pdf
    • http://bodymindbasics.com/uploads/1/3/0/4/130488970/268133.pdf
    • http://www.wedding-dress-alterations.co.uk/uploads/1/3/0/6/130621533/9385546.pdf
    • http://www.t4tproductions.com/uploads/1/3/0/3/130379307/vanox_solefasozojolow_wimuwagitoto.pdf
    • http://alpinetransit.com/uploads/1/3/0/5/130550847/geterepoviker-rixazaxapinone.pdf
    • http://7m.lucky1st.com/uploads/1/3/0/5/130550790/130550790.html#cumulative+frequency+histogram+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000037ff.bin
36e082aceee4981ac67525523ca992da653d89623f76bae5de8622d3192b877a
pdf-font-stream PDF embedded font (sfnt) at offset 0x37FF 8156 bytes