Malicious PDF — malware analysis report

Static analysis result for SHA-256 21597aba3245771c…

MALICIOUS

PDF

28.2 KB Created: 2020-03-24 22:15:09 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 99f4589c3ef967dcdf2b0c3b343e866c SHA-1: 81ee209e1270a632d7cea89bf78a1e8bb4f0ec75 SHA-256: 21597aba3245771cf859b6fbd4fe6e34e0f90489fd725b2e7ca456b52d9132cc
112 Risk Score

Malware Insights

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

The PDF is identified as an image-only lure, typical of phishing or SEO spam campaigns. It contains numerous external links, with the primary one being http://glam5jewbiz.com/uploads/1/3/0/4/130490776/130490776.html#psicomagia+alejandro+jodorowsky+pdf+italiano. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, suggesting a link farm for SEO manipulation or to distribute malicious content. The ML classifier strongly supports the malicious verdict.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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 28 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://glam5jewbiz.com/uploads/1/3/0/4/130490776/130490776.html#psicomagia+alejandro+jodorowsky+pdf+italiano
    • http://www.bumpkinfoodhub.com/uploads/1/3/0/4/130476688/5121172.pdf
    • http://sonriseseattle.org/uploads/1/3/0/6/130639201/2556344.pdf
    • http://sacasta.voyagerwebsites.com/uploads/1/3/0/3/130323632/103d32531.pdf
    • http://bluecoyotesportsgrill.com/uploads/1/3/0/5/130588727/d989f0e22f765.pdf
    • http://mayalockett.com/uploads/1/3/0/8/130874529/ziripeb_webaxisat_nabekudotasis_kamijiwas.pdf
    • http://iclaudiainc.net/uploads/1/3/0/5/130543006/gesafopigubud_kijiri.pdf
    • http://webdisk.thrivingfamilies.com/uploads/1/3/0/3/130313495/pewepixumopovejamaj.pdf
    • http://www.hometownlabradors.com/uploads/1/3/0/7/130776196/7310011.pdf
    • http://shebrewscoffeeandbooks.com/uploads/1/3/0/6/130639428/40367401d0edb.pdf
    • http://www.barringtonih.com/uploads/1/3/0/7/130739113/nasusivibutibeka.pdf
    • http://nicholslawpdx.com/uploads/1/3/0/7/130739786/famarivudezefi.pdf
    • http://care-cornell.com/uploads/1/3/0/4/130483477/fesavadexeta.pdf
    • http://www.lab47.nl/uploads/1/3/0/6/130604458/pixakivojemi-kuxelirijuseru-fijuvegivox.pdf
    • http://mrswatsonsroom.com/uploads/1/3/0/5/130541765/3101182.pdf
    • http://croquesandtoques.com/uploads/1/3/0/8/130813489/dudojoz-julasewete.pdf
    • http://www.flyfishingminnesota.com/uploads/1/3/0/5/130588366/ximolegipadom.pdf
    • http://woolberrystudio.com/uploads/1/3/0/5/130544067/bimekelibo.pdf
    • http://affordablecommunitymovers.com/uploads/1/3/0/6/130620923/varigugi.pdf
    • http://peacelovehappydaze.com/uploads/1/3/0/3/130379590/4391753.pdf
    • http://backshops.host/uploads/1/3/0/7/130775427/fuwasepufabufo_zeviw_rovamonuzokesa_gimazijokoxajif.pdf
    • http://mrfixitenterprises.com/uploads/1/3/0/8/130815115/gabebuvuvaxowomugaku.pdf
    • http://www.wholereflections.com/uploads/1/3/0/8/130874518/0cc1168c.pdf
    • http://preferredcapitalfinance.com/uploads/1/3/0/2/130289663/b9160.pdf
    • http://lloydstreeter.com/uploads/1/3/0/4/130488983/gujugetomexaw.pdf
    • http://stellarorganizingsolutions.com/uploads/1/3/0/8/130874430/vuwiwerir.pdf

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