Malicious PDF — malware analysis report

Static analysis result for SHA-256 70579641f58baed8…

MALICIOUS

PDF

52.5 KB Created: 2021-06-26 03:02:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-24
MD5: 95879a633f0d742cec7f9ef44d0d2702 SHA-1: 6f9e873fa2ab9e5214a6dceeb18da9277d72dac1 SHA-256: 70579641f58baed8bd655fcc8cfdf45f16d5097a3a689832ac2c354f53a9b065
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites, likely serving as a distribution point for further malicious content or phishing pages. The presence of multiple links on disposable hosting and compromised CMS uploads reinforces its malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7324

Heuristics 5

  • 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.
  • 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://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/6fe45e906c790f75b3d912e58d9454b0/timenogatagoxerutamawamu.pdf In PDF document text
    • https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/a20172596122f73e0abcbdd9feaecd6f/silixibokomixogodalenag.pdfIn PDF document text
    • http://eachfun.com/ckfinder/userfiles/site_eachfun_com/files/xupafatonejurata.pdfIn PDF document text
    • https://lienlacanien.com/img_pages/file/24423422584.pdfIn PDF document text
    • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160c26eb27f5ad---34489791582.pdfIn PDF document text
    • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/16097c9ac98608---mujagapipefujudopaza.pdfIn PDF document text
    • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/cddc2bfddeaa346fd7a5d96719370dc6/22414851460.pdfIn PDF document text
    • http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160789aeff3ffe---pizipoxadosefe.pdfIn PDF document text
    • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/7961bbc7b94ddcf06a7a2b5615e6faa0/94561713925.pdfIn PDF document text
    • https://ludifrance.fr/userfiles/file/43056128262.pdfIn PDF document text
    • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607278bbb6d14---83517881914.pdfIn PDF document text
    • https://store-connector.com/_upload_bilder/_filemanager/file/72300615672.pdfIn PDF document text
    • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/aa60f1dd375ccbc8d8bb6ead1c812ddd/ganofepevezet.pdfIn PDF document text
    • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160996d4f5f9d9---29983577912.pdfIn PDF document text
    • https://medicentrumnz.eu/medicentrum/files/file/zunim.pdfIn PDF document text
    • http://omegapizza.net/uploads/files/jikip.pdfIn PDF document text
    • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160864e694accd---41920235963.pdfIn PDF document text
    • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e5dbc036e---lanezisimezudijowuzo.pdfIn PDF document text
    • http://ndt-tl.ru/upload/file/nobasuzawefosigar.pdfIn PDF document text
    • http://alexanderkanevskyartistbiography.com/clientMedia/file/rorinuninugikewidutaj.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=apex+coins+free+ps4PDF link annotation

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