Malicious PDF — malware analysis report

Static analysis result for SHA-256 69eefccff1ad9ee9…

MALICIOUS

PDF

69.3 KB Created: 2021-08-17 20:36:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-25
MD5: 0ac5eb6579d31462b446f47bcab8d3fd SHA-1: aafc123915af86f33874d9668f94355ee616854b SHA-256: 69eefccff1ad9ee9a57e198cced454684af4d268c9ac8097da543105b70bd9a7
162 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9616

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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 https://pixomot.ru/uplcv?utm_term=famous+landmarks+of+venice+italy PDF link annotation
    • https://sfasg.jp/js/ckfinder/userfiles/files/78286449413.pdfIn PDF document text
    • https://stadion-nsk.ru/ckfinder/userfiles/files/nujogofevopekamugo.pdfIn PDF document text
    • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16099e51a00cfc---finiwi.pdfIn PDF document text
    • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d70e45a765c---64371394204.pdfIn PDF document text
    • http://bilmatbasim.com/userfiles/file/rizoxexi.pdfIn PDF document text
    • https://florerialafloresta.com/ckfinder/userfiles/files/85931764944.pdfIn PDF document text
    • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/16091bb225bc27---jorikupexafofigitominit.pdfIn PDF document text
    • http://sugarfree-gelato.com/upload/file/98073317608.pdfIn PDF document text
    • http://accessoriesunlimitedinc.net/catalog/file/kopivuvuwajaxewosinut.pdfIn PDF document text
    • http://yossy.biz/userfiles/file/wulebejasotemije.pdfIn PDF document text
    • https://motacademy.it/file/33796302613.pdfIn PDF document text
    • http://lisaarkin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pitixidivizawijozejezirod.pdfIn PDF document text
    • https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/f895b46ab594d355062f970522787abb/mokevir.pdfIn PDF document text
    • https://bayardplaza.co.uk/wp-content/plugins/super-forms/uploads/php/files/fq3sj50hv4mrhd985o6629djtm/2505162421.pdfIn PDF document text
    • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bebf6cad135---55349834191.pdfIn PDF document text
    • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c5174f05e8---8126685677.pdfIn PDF document text
    • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1596387363---sotitasusamij.pdfIn PDF document text
    • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a925563995f---19957925045.pdfIn PDF document text
    • http://clubmaniacr.com/campannas/file/gurowupiro.pdfIn PDF document text
    • http://ttccid.com/userfiles/file/37492982377.pdfIn PDF document text
    • https://dimensioninteractive.com/WYSIWYGImage/file/1418375599.pdfIn PDF document text
    • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b206b1b819---32230774696.pdfIn PDF document text
    • http://dhf-china.com/d/files/65084167083.pdfIn PDF document text

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