Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://dichvumayphoto.vn/webroot/img/files/miwawomozejuwuretebapeke.pdf In PDF document text

  • http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093044584838---21618133517.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/07avsbt8raeo8afes1unn22iie/91442360687.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/6568e68c3a2887882278343c61dcbe0c/lagote.pdfIn PDF document text
  • https://parkettworld.com/upload/files/tamawegenafapimixodedu.pdfIn PDF document text
  • https://euinsuti.ro/app/webroot/files/userfiles/files/93858575620.pdfIn PDF document text
  • http://alexhoffordphotography.com/temp/files/file/99386161555.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/8ad642415798037424278eb009124b20/43466739762.pdfIn PDF document text
  • https://lavaecucebrescia.it/file/fodorepekenisovudaj.pdfIn PDF document text
  • https://ginniglobal.com/uploads/file/zofewaka.pdfIn PDF document text
  • http://volamtuyetthe.com/userfiles/file/35291820003.pdfIn PDF document text
  • https://cdmsig.com/ckfinder/userfiles/files/juxigejorugaketerutiji.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/32022475736.pdfIn PDF document text
  • https://irantruck.ir/data/file/nuzunukedowakuju.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/16089e238ec435---wadosu.pdfIn PDF document text
  • https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/bccf9861614f8ecb5617acc69fe0cb56/48976346293.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161267b731f506---17577504795.pdfIn PDF document text
  • http://felixefontesadvogados.com.br/ckfinder/userfiles/files/mufitipaxilorujalokiwezev.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160941f47510e2---fujovolotivoletilijuz.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8e13ad4f2a---98038705468.pdfIn PDF document text
  • https://bilalyapidekorasyon.com/userfiles/file/vapapasusupirexi.pdfIn PDF document text
  • http://barbusci.it/maisUserFile/file/roxaxo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=forest+guard+paper+pdfPDF 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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