Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a9eae94eaa6fa9e…

MALICIOUS

PDF

67.1 KB Created: 2021-07-01 20:48:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07
MD5: 22f914d6cbf9fa6e172253daf41a7b4a SHA-1: 624668fe376fbc5be8653bc5a23e77899a852870 SHA-256: 3a9eae94eaa6fa9e35b5d3f8aa7f119452ca06fb8bffa4d141bd32a9e329359d
124 Risk Score

Malware Insights

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

The file was detected by ClamAV as Pdf.Phishing.Trojan. It functions as a link farm, containing numerous links to distinct hosts, many of which appear to be compromised WordPress sites. The presence of multiple links to potentially malicious or compromised domains indicates an attempt to lure users to external resources, consistent with phishing or malware distribution tactics.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3638

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 http://aldo-ins.com/userfiles/file/lisuzut.pdf In PDF document text
    • http://archissimo.eu/userfiles/files/tusepenevomuruvenu.pdfIn PDF document text
    • http://kapli74.ru/upload_picture/zifofifutuxesaw.pdfIn PDF document text
    • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608f091b99eaa---45976287926.pdfIn PDF document text
    • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/6b017d264bfc8ebbb8c3503c3941626a/kikopatadukazow.pdfIn PDF document text
    • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/3ca82f6049b03c6b1e90400f113106a2/dutenoxotivat.pdfIn PDF document text
    • https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/ksaulh0rttsdevvkt965mfm3rh/5517379428.pdfIn PDF document text
    • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607c5572487f0---20002082898.pdfIn PDF document text
    • https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/jigulafegilinam.pdfIn PDF document text
    • http://permanentnimakeup-brno.cz/userfiles/files/vewavupidirikivuloferija.pdfIn PDF document text
    • http://cnhhgj.com/upfiles/userfiles/file/xemukixevikine.pdfIn PDF document text
    • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/421sctq59f3osu60iuasnhj6c0/67926536189.pdfIn PDF document text
    • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608acd850a4c7---61937043731.pdfIn PDF document text
    • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/507845a7ef1afabfdb4d7b0c3459f88c/36870928248.pdfIn PDF document text
    • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/1fdefea257446abdd18b9180500c161c/7227217158.pdfIn PDF document text
    • http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/sb1a0kph1grs1m27cslr23p5r6/86218958068.pdfIn PDF document text
    • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/160905d93dd3f7---97884205452.pdfIn PDF document text
    • http://norilskgu.ru/userfiles/file/28270466344.pdfIn PDF document text
    • https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/83458bc506fac6bacf0ffe31c51ef05b/liromixexiwixom.pdfIn PDF document text
    • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160967cfd16764---70402371591.pdfIn PDF document text
    • http://www.anjhimayath.com/upload/file/32994568259.pdfIn PDF document text
    • http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0ed48aed41---fasozubepifa.pdfIn PDF document text
    • http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/3cab5c49d28459abc6402340689d87f6/143664421.pdfIn PDF document text
    • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff05c1167a---10361254080.pdfIn PDF document text
    • https://bbu.vn/Images_upload/files/fopobe.pdfIn PDF document text
    • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607362b227dd4---17171839375.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=book+taxi+testPDF link annotation

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