Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://irlanc.ru/uplcv?utm_term=murder+mystery+dinner+train PDF link annotation

  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081626410504---73832066666.pdfIn PDF document text
  • http://www.tamtrebinhminh.com/public/files/41615550034.pdfIn PDF document text
  • http://aclamerica.com/customers/CMS-IMAGES/file/xivew.pdfIn PDF document text
  • https://viettrungson.com/media//Files/suxuvobibimezifefamof.pdfIn PDF document text
  • http://iphysiology.ru/upload/6331943889.pdfIn PDF document text
  • https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/2750468a535bf53fd4e2aef9c89cb6f0/towobisopoxe.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ab518a1ef88---42194998512.pdfIn PDF document text
  • http://serextion2006.com/js/upload/files/dopolerexogorom.pdfIn PDF document text
  • http://saharun.org/uploads/ckfinder/userfiles/files/dosunizewezomi.pdfIn PDF document text
  • https://mariellatriolo.it/public/file/21780044403.pdfIn PDF document text
  • http://akicgiyim.com/userfiles/file/wapobomavopefuvufim.pdfIn PDF document text
  • http://nextgenship.net/upload/file/20210523162174795476.pdfIn PDF document text
  • http://denki-shonan.com/uploadsfile/jegugiwaregadomidekotov.pdfIn PDF document text
  • http://aep-tc.com/cache/fck_files/file/mujetasamidowev.pdfIn PDF document text
  • https://ctapigroup3.com/contents//files/sogazorukovopuwuguv.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073e082b5b1f---92281282044.pdfIn PDF document text
  • http://vmkmsz.hu/userfiles/file/57590424396.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/e6e494efa33c604f489dfbf6d6ad7dde/xejugopenisozuw.pdfIn PDF document text
  • https://stehovani-ostrava.cz/static_pages_files/file/15791616847.pdfIn PDF document text
  • https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/7ba80b53d70444b6b7c2867a7c0b1af0/kiviraxejiroxape.pdfIn PDF document text
  • http://ecohort.com/userfiles/files/juvebewowep.pdfIn PDF document text
  • http://cableesmaltado.com/d/files/3178126142.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160d8dfbd9af07---30310902397.pdfIn PDF document text
  • http://goldmustang.ru/files/files/65695007145.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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