Malicious PDF — malware analysis report

Static analysis result for SHA-256 405c349303904979…

MALICIOUS

PDF

15.4 KB Created: 2020-05-16 21:50:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1f49199614f1eaa0799f6d3ef87102b3 SHA-1: e56b0025aa83a32256b390f5a412e423d1729404 SHA-256: 405c3493039049798e7c54a562acf293dbccf2d7362d77be1f8b563aa5ca7479
112 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document is identified as an image-only lure, typical of phishing campaigns. It contains numerous external links, many of which point to PDF files hosted on various domains. The primary link, http://ompf.us/uploads/1/3/0/6/130639032/130639032.html#ios+guidelines+grid, is likely the intended destination for the user. The ML classifier strongly supports the malicious nature of this PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

Heuristics 4

  • 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.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 15 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://ompf.us/uploads/1/3/0/6/130639032/130639032.html#ios+guidelines+grid
    • http://blueelephantsoaps.com/uploads/1/3/0/5/130588251/tarijusamorik_dikisenod.pdf
    • http://basilhogios.com/uploads/1/3/1/3/131383914/564e4c38644.pdf
    • http://carpetandfloorz.com/uploads/1/3/0/5/130539871/c047589a.pdf
    • http://147367436464836187.com/uploads/1/3/0/7/130739389/birasoxagixe.pdf
    • http://sarahjaynedesigns.com/uploads/1/3/0/5/130543053/9661335.pdf
    • http://snapsintime.net/uploads/1/3/0/7/130738641/diwozazodekepurego.pdf
    • http://d2scollection.com/uploads/1/3/0/6/130640144/9442402.pdf
    • http://nationalcapitalbirthservices.com/uploads/1/3/0/6/130605492/guzij.pdf
    • http://emergingpens.com/uploads/1/3/1/3/131383958/315c6b9.pdf
    • http://binraccoons.com/uploads/1/3/0/2/130273748/pixavedojo-fugope.pdf
    • http://localhealthyhappy.com/uploads/1/3/0/5/130550972/dezekomis_kunom_ledewiparewema.pdf
    • http://healthspanfoods.com/uploads/1/3/1/3/131379296/7983251.pdf
    • http://coachandrewglover.com/uploads/1/3/0/7/130740376/2712487.pdf
    • http://onlinehealtharticles.net/uploads/1/3/0/7/130775590/2358254.pdf
    • http://goodstewardsofrockingham.org/uploads/1/3/1/3/131379253/62449809b6f3.pdf

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