Malicious PDF — malware analysis report

Static analysis result for SHA-256 156b859d5df879b3…

MALICIOUS

PDF

19.6 KB Created: 2020-03-17 07:17:39 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 44e952b9f7d69929ab4cd1a8b3431476 SHA-1: 53997c413ffcb27e7475f87a6fb1df7d0892e2e0 SHA-256: 156b859d5df879b336e5d78f8e6f96997c39539cf471bf34c1d3d5f69bbcbebf
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document is identified as a malicious screenshot lure, containing minimal text and a clickable action trigger. It embeds a large number of external links, suggesting a link farm or redirection mechanism. The primary URL, http://beyeglobal.com/uploads/1/3/0/2/130273623/130273623.html#historia+de+la+cafetera+electrica, is likely the initial point of contact for a phishing or malware distribution campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

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 19 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://beyeglobal.com/uploads/1/3/0/2/130273623/130273623.html#historia+de+la+cafetera+electrica
    • http://hostmaster.lucatarqua.com/uploads/1/3/0/6/130621480/zinirepavu.pdf
    • http://bigfreshcontrol.com/uploads/1/3/0/4/130476091/lipopesusirag-boloni-supenonidog.pdf
    • http://promessadamore.net/uploads/1/3/0/6/130639739/0d48322b1ecf.pdf
    • http://www.roberthixsonappraiser.com/uploads/1/3/0/2/130271017/1096.pdf
    • http://tdinformation.com/uploads/1/3/0/8/130813054/xakirufagumexo.pdf
    • http://webdisk.stfoafriscospanish.org/uploads/1/3/0/9/130969967/2147694.pdf
    • http://reptilesonthemove.com/uploads/1/3/0/6/130639551/zoruludenovapefifuj.pdf
    • http://mudgeeproduceplus.net/uploads/1/3/0/3/130313113/4677312.pdf
    • http://premieroilcorp.com/uploads/1/3/0/2/130289436/lozadepitaban-basen-xogipibegurij-xetokujerelifa.pdf
    • http://holeinonesotogrande.com/uploads/1/3/0/6/130620230/sapupum.pdf
    • http://nationalpoolinspection.com/uploads/1/3/0/9/130969461/1276733.pdf
    • http://aufspurensuche.com/uploads/1/3/0/8/130873741/6219528.pdf
    • http://thelovememo.com/uploads/1/3/0/3/130313102/vakuvax.pdf

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