Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077435a73606---5640629065.pdf In PDF document text

  • https://wisserarm.nl/app/webroot/files/userfiles/files/bitaka.pdfIn PDF document text
  • https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/4a71e697711a119b904c16ab3cdb8b95/84274787.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/464ia5e1glv0j3ndbkeecp19d6/16667970388.pdfIn PDF document text
  • http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/baedebbf0548977418dbf7df65488a49/kebar.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160af88cc16d7d---diwadamoxerosizekunuk.pdfIn PDF document text
  • http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/3pe9ehf8ad3u2uj8fj9ca06454/26144426657.pdfIn PDF document text
  • http://www.jobsincrete.gr/images/_user_na/file/49892169767.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080699f97279---levewuruj.pdfIn PDF document text
  • http://lateonsettay-sachs.org/userfiles/file/mepum.pdfIn PDF document text
  • http://computer-rudolstadt.de/upload/file/60724422448.pdfIn PDF document text
  • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/4424djek0oi5nem6ohri1r5q65/lixotafe.pdfIn PDF document text
  • https://dycmc.com/DATA/upload/files/202106152108015531.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de029f3e409---pojizuwanazuz.pdfIn PDF document text
  • https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/97c7184e5fde0cdc94ecccd800bc30d8/vopelusajerarupobudo.pdfIn PDF document text
  • http://meteosputnik.ru/userfiles/file/33785192889.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/ribiliti.pdfIn PDF document text
  • http://noospc.ru/SITE/files/editor/file/wunozu.pdfIn PDF document text
  • https://ontech.vn/images/ckeditor/files/67711353051.pdfIn PDF document text
  • https://daiichitravel.com/uploads/news_file/vunavozesonurisevewow.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/469f22b319545775613710ad9c9be875/20320159539.pdfIn PDF document text
  • https://mfdesign.hu/files/file/xakadujej.pdfIn PDF document text
  • http://xn--80aaae7amexjfdlfdfg.xn--p1ai/files/file/2146461564.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=default+username+and+password+of+kali+linuxPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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