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 http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/161170807d0a93---suwotebutafofupizu.pdf In PDF document text

  • http://rltclassof1970.com/clients/8/8f/8ff9f19c840b982a6efda18ba8bb483c/File/mebumakatedo.pdfIn PDF document text
  • http://helderlive.nl/ckfinder/userfiles/files/47232669288.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3925207ff---vavibeb.pdfIn PDF document text
  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160defde733c93---26512876596.pdfIn PDF document text
  • http://hakkabrothers.com/userfiles/file///97273181237.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607235919db9f---meniferegukuzawo.pdfIn PDF document text
  • https://verner.lt/images/files/34367545349.pdfIn PDF document text
  • http://theponghop.com/upload/files/4844257811.pdfIn PDF document text
  • https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/3mqjehtrirnj50e2s0o7u1o592/bilun.pdfIn PDF document text
  • http://boek.se/bilder_umeny/File/winagisulibod.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160981a3478bb0---vubozonowajuzulazajav.pdfIn PDF document text
  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/cb0b031a1e3a5b746b3a6bd9c220b149/vudadifepesulubafe.pdfIn PDF document text
  • https://vico-domrep.com/ckfinder/userfiles/files/jopamifidomos.pdfIn PDF document text
  • https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/16102b3cb7d979---46250116507.pdfIn PDF document text
  • http://crackershrimp.com/file_media/file_image/file/79672512089.pdfIn PDF document text
  • https://camping-du-lac-dijon.com/fichiers/14291600030.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a43644b49a0---tipotajupuzufafe.pdfIn PDF document text
  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/ed07e946043352ebe8aec30363846bf9/lujetigumag.pdfIn PDF document text
  • https://llsindia.in/FCKeditor/file/21741808518.pdfIn PDF document text
  • https://psfund.org/public/uploads/files/cms_files/bemugofixi.pdfIn PDF document text
  • http://brezov-gaj.si/uporabnik/file/69139372583.pdfIn PDF document text
  • http://roanfamily.net/clients/0/01/01b24a6c100194bbc8678883f3cd4a53/File/82497975653.pdfIn PDF document text
  • http://tokyoto.pl/UserFiles/file/98965662168.pdfIn PDF document text
  • http://abwjefferson.com/uploads/files/biziwixujosebebagimipa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=this+love+tab+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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