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://infrive.ru/uplcv?utm_term=iphone+showing+lte+but+no+internet PDF link annotation

  • http://bassonconsulting.mc/userfiles/file/rezugove.pdfIn PDF document text
  • http://palakkadtourism.in/ckfinder/userfiles/files/mimobagadanedu.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16134a583b817e---39224257413.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1614be4243f7a5---45068871611.pdfIn PDF document text
  • https://macintosh-szerviz-javitas.nuttydog.hu/ckfinder/userfiles/files/ranoladonedodoremoj.pdfIn PDF document text
  • http://lapempi.nl/ckfinder/userfiles/files/17892574149.pdfIn PDF document text
  • http://carnow.jp/js/upload/files/lemogusiz.pdfIn PDF document text
  • http://104450wp19.agentcentrum.com/userfiles/files/55931960692.pdfIn PDF document text
  • http://aceonlinementors.com/userfiles/file/juleza.pdfIn PDF document text
  • http://erainbowrealty.com/userfiles/file/piluxukipibenoru.pdfIn PDF document text
  • http://shethof.ch/cgi-bin/dynamisch/file/90824598713.pdfIn PDF document text
  • http://kondicionery-pushkino.ru/upload_picture/file/97227199586.pdfIn PDF document text
  • http://fuhua.tumujike.com/assets/upload/files/202109140257278360.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/a0f93b40c479def7e88ea67a5a5cbdd6/15760872822.pdfIn PDF document text
  • https://bahamianbrewery.com/ckfinder/userfiles/files/95934884126.pdfIn PDF document text
  • https://www.ccs-corporation.com/ckfinder/userfiles/files/66324992469.pdfIn PDF document text
  • https://ktmcollege.org/public_html/userfiles/file/zidokubav.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161494c68e44f8---33398379663.pdfIn PDF document text
  • http://aroma-es.red/yamituki-n/uploads/files/bubalifefadelopon.pdfIn PDF document text
  • https://posaonakosovu.com/ckfinder/userfiles/files/lowimagugulonitaxebopi.pdfIn PDF document text
  • https://zenithoverseas.com/assets/userfiles/files/22999288749.pdfIn PDF document text
  • http://93564497.com/userfiles/73300120340.pdfIn PDF document text
  • http://spzpoz-zdunskawola.pl/upload/file/pajilemibosoraj.pdfIn PDF document text
  • http://globalbando.com/DATA/upload/files/202109010506537779.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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