Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 1 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://coretry.ru/uplcv?utm_term=private+instagram+account+followers PDF link annotation

  • https://cosonnguyenthanh.vn/webroot/userfiles/files/7034422292.pdfIn PDF document text
  • http://doorsatyrau.com/ckfinder/userfiles/files/56213091549.pdfIn PDF document text
  • http://www.examnotice.in/uploads/files/logijasojevokatavepekifi.pdfIn PDF document text
  • https://vietrocknet.org/app/webroot/img/files/tiwuzidawi.pdfIn PDF document text
  • http://intimatehotelpattaya.com/image/upload/File/36914051513.pdfIn PDF document text
  • http://wuyioutdoor.com/userfiles/file/70300890943.pdfIn PDF document text
  • http://naplesredeals.com/userfiles/files/56113415171.pdfIn PDF document text
  • http://website-design-company.in/dev3/damodar/ckfinder/core/connector/php/userfiles/files/29450486673.pdfIn PDF document text
  • http://m-s-g.ru/userfiles/files/10604406679.pdfIn PDF document text
  • http://rapabzenec.cz/obrazky/files/xeserezupedujigewijin.pdfIn PDF document text
  • http://american-security-inc.com/assets/ckfinder/userfiles/files/57941082058.pdfIn PDF document text
  • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/af208cff8844f1f518225c18f75eecc8/xurazosufetatubaposemev.pdfIn PDF document text
  • http://jmyhship.com/uploadfile/files/lixipusakamoxami.pdfIn PDF document text
  • https://sakkestadbil.no/userfiles/file/95225873055.pdfIn PDF document text
  • http://sake2metustin.com/uploads/files/sajegejataf.pdfIn PDF document text
  • http://krr-nfe.com/suratnfe/UserFiles/File/55832450585.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e1574d0b15---tivitategudixowivasulen.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/4a98fbad88b26292300e859ad9102e12/tugefuwaziwawitinek.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613836f575196---72990266842.pdfIn PDF document text
  • https://masihpt2.com/contents/files/sapitavepadolineso.pdfIn PDF document text
  • https://songhong.info/userfiles/file/xijibudoxelefagaxono.pdfIn PDF document text
  • https://safetyhanoi.com/userfiles/file/92371558660.pdfIn PDF document text
  • http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131944c3a549---60218862390.pdfIn PDF document text
  • https://sooryasales.com/uploads/file/65926785260.pdfIn PDF document text
  • http://chaputlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/47807255981.pdfIn PDF document text
  • 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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