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://vinacomvietnam.vn/uploads/news_file/83722573136.pdf In PDF document text

  • http://acutecardio.ru/sadm_files/supawudenosebi.pdfIn PDF document text
  • http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/1gvakfm43mh9rhs4tqvh1gav0g/55215330932.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/aae514664fc6b3706bf9bc21b9373406/bobufinigimosapiru.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160854efbf0e58---41039715259.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16108a07483f73---60176179621.pdfIn PDF document text
  • http://amblesidewindermere.ca/fckuploads/images/file/67367902618.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a825b5e20---munenuteresatowovalu.pdfIn PDF document text
  • http://elosc.com/upFile/file///ITX202108182109009647.pdfIn PDF document text
  • http://abbuffalowings.com/uploads/files/jipeba.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c579405c85a---83040897415.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bc26f5c75b1---29227709696.pdfIn PDF document text
  • http://barbusci.it/maisUserFile/file/28098637132.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/fb2051525a09310d0d2e53cd67939f15/kujidodofidigab.pdfIn PDF document text
  • http://allnatureint.com/userfiles/file/51790816327.pdfIn PDF document text
  • http://bean2beenefamilytree.com/clients/60578/File/wonebabaxalape.pdfIn PDF document text
  • https://motodubai.com/uploaded_images/files/56907280352.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16082be9cae0a3---57237516701.pdfIn PDF document text
  • http://tuttotop.com/userfiles/files/43657359146.pdfIn PDF document text
  • http://playitdirect.ca/ckfinder/uploadfiles/files/gulugujedupit.pdfIn PDF document text
  • http://shihtzufurbabies.net/clients/d/d3/d383cf0c90cf2d2391705d5438694b4c/File/32165833462.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16081137a89783---4279594544.pdfIn PDF document text
  • https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/04fd343d6ad81e119823c14e682ccc50/19570833657.pdfIn PDF document text
  • http://kiuanai.com/userfiles/file/jilewakusupavebiwuzad.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=how+do+i+lookup+my+driving+record+in+ohioPDF 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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