Malicious PDF — malware analysis report

Static analysis result for SHA-256 b01a61cc83b66bfd…

MALICIOUS

PDF

24.6 KB Created: 2020-05-13 00:53:35 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8d7da0b747c24468ef4d1986a9886421 SHA-1: 18dfc75c90e80a89f1fc6e5af21773a1933de9b6 SHA-256: b01a61cc83b66bfda46fc87053e36ffde26476f8519342e42c92c59ddf7094d3
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, a technique often used for SEO spam or to distribute malicious content. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior, pointing to numerous PDF files hosted on various domains. The document body itself is heavily obfuscated and contains metadata suggesting it was generated by wkhtmltopdf, but the primary malicious intent appears to be the distribution of links.

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.
  • 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://nnoodl.com/uploads/1/3/0/4/130476013/130476013.html#kashi+amarnath+film+hd
    • http://hardestyengineering.com/uploads/1/3/1/4/131411431/6101558.pdf
    • http://conciergecouriers.com/uploads/1/3/0/4/130490774/9958092.pdf
    • http://roybivpotatochips.com/uploads/1/3/0/4/130489342/53d8a2.pdf
    • http://dejavudejavu.net/uploads/1/3/0/4/130483191/mukaw_busotivuda_pidifuritel.pdf
    • http://wonderful-morocco.com/uploads/1/3/0/5/130541209/wusojabazewow.pdf
    • http://gsmithclass.com/uploads/1/3/1/6/131607486/ce412c41e7e.pdf
    • http://studiodalodeamcis.com/uploads/1/3/0/7/130738884/wizikuposelalen.pdf
    • http://southernpinetimberproducts.com/uploads/1/3/1/3/131383207/pewujuje.pdf
    • http://brownskingirlcosmetics.com/uploads/1/3/1/4/131406811/vazafebuvenu.pdf
    • http://synapse-x.com/uploads/1/3/0/4/130435597/a4aaea20.pdf
    • http://kencoenvironmental.com/uploads/1/3/0/8/130814083/wedetumapa.pdf
    • http://justsospace.com/uploads/1/3/1/6/131606222/xixufu.pdf
    • http://rusticredwood.com/uploads/1/3/0/5/130589090/5315a2427e7.pdf
    • http://dancing4adifference.org/uploads/1/3/0/6/130620607/6cdd10.pdf
    • http://aurin.be/uploads/1/3/0/8/130814205/7716840.pdf
    • http://novelbtq.com/uploads/1/3/1/3/131380011/lodupababil.pdf
    • http://danielstumekia.net/uploads/1/3/0/5/130588710/5537643.pdf
    • http://risenshinewindowcleaning.com/uploads/1/3/0/2/130288818/zafozetizeku.pdf
    • http://turlockwindowtinting.com/uploads/1/3/0/6/130603927/7359750.pdf
    • http://bmesolutions.pl/uploads/1/3/1/8/131856666/6853143.pdf

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