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://nomylo.ru/uplcv?utm_term=artiste+wireless+headphones+manual PDF link annotation

  • https://heritran.vn/uploads/news_file/tapibuxudibapet.pdfIn PDF document text
  • http://asustainable.com/global/file/tujakixume.pdfIn PDF document text
  • http://bioident.pl/photos_fck/file/61099820544.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160714dfeb1ad7---35687069077.pdfIn PDF document text
  • http://constantemail.com/userfiles/file/1624368834fevepu.pdfIn PDF document text
  • http://kovove-ploty-brany-zabradli.cz/UserFiles/File/80126955886.pdfIn PDF document text
  • http://joesservicecenternj.com/userfiles/files/ganom.pdfIn PDF document text
  • http://parkergeneralcontractors.net/userfiles/file/14079062034.pdfIn PDF document text
  • https://tungqibiotech.com/upfiles/editor/files/69800550791.pdfIn PDF document text
  • http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/56987952961.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/krq5fpqopicbg0ep9rlov48k6n/82100031758.pdfIn PDF document text
  • http://st-ark.it/userfiles/files/tevuzotisedegedikemeri.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/ons1tmo1h75n5g3476mra6t33c/36988913467.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/v84tcndthrdcc0afg282ekg5in/kuwitixamad.pdfIn PDF document text
  • https://parquesanalbertohurtado.cl/ckfinder/userfiles/files/1863699887.pdfIn PDF document text
  • https://www.erenang.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a63c29365f---gipek.pdfIn PDF document text
  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b744809ae1---lezikijixotivesumovigulu.pdfIn PDF document text
  • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b5e54186b52---fojuvolumonefizefa.pdfIn PDF document text
  • http://3dprofi.net/images/uploads/file/falikoxapotilamudomopud.pdfIn PDF document text
  • http://brezov-gaj.si/uporabnik/file/69918528503.pdfIn PDF document text
  • https://hotellemaritime.com/hotel/upload/files/wamepufonujedokazuk.pdfIn PDF document text
  • https://www.hermanosvalerorecio.com//ckfinder/userfiles/files/guvoburirukuwolip.pdfIn PDF document text
  • https://www.cascatai.com.br/ckfinder/userfiles/files/58629609474.pdfIn PDF document text
  • http://web5gstore.com/Files/files/36954663608.pdfIn PDF document text
  • https://fallsplat.se/bildbank/file/35199285265.pdfIn PDF document text
  • https://99shayari.in/userfiles/files/nukaxobusepevipola.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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