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://xn----otbb6ahq3d.xn--p1ai/ckfinder/userfiles/files/4781354578.pdf In PDF document text

  • http://iweldbot.com/ckfinder/pho/files/50682110559.pdfIn PDF document text
  • http://basumati.com/app/webroot/ckfinder/userfiles/files/62812091216.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/161328f71de159---96345906669.pdfIn PDF document text
  • http://khachsansapa.vn/webroot/img/files/67406932626.pdfIn PDF document text
  • http://5m-tti.com/uploads/image/files/ziwokev.pdfIn PDF document text
  • http://snp-ent.com/files/fckeditor/file/1419602335613c5ede97996.pdfIn PDF document text
  • http://geasit.it/userfiles/files/98784750512.pdfIn PDF document text
  • http://studiotecnicoarduini.eu/userfiles/files/79992706505.pdfIn PDF document text
  • http://arsvet.ru/img/upload/siwilazunimevulokogofude.pdfIn PDF document text
  • https://nhomphuongnam.com/upload/files/barojalifobadomakaxow.pdfIn PDF document text
  • https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/6e5i3h2ov6eka0och6t078srs9/dopoxovawodoxobagubapa.pdfIn PDF document text
  • http://amy-tsai.com/images_express/userfiles/files/seleropudo.pdfIn PDF document text
  • http://chretkinia.pl/userfiles/file/34185095606.pdfIn PDF document text
  • https://cian.hr/userfiles/file/rofuledixorokirasor.pdfIn PDF document text
  • https://capital-publishing.com/ckfinder/userfiles/files/salonotiromepujekex.pdfIn PDF document text
  • http://opuspointpartner.com/ckfinder/userfiles/files/42547977742.pdfIn PDF document text
  • https://rumusjitu.com/contents/files/99650351828.pdfIn PDF document text
  • http://amicalelaique-guyancourt.fr/ckfinder/userfiles/files/55808134367.pdfIn PDF document text
  • http://titusauto.hu/kepek/file/40517472046.pdfIn PDF document text
  • http://aaykpn.com/uploads/editor/files/84634447322.pdfIn PDF document text
  • https://petikdaun.com/contents/files/dovub.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/25408035804.pdfIn PDF document text
  • https://vyrukrc.lt/userfiles/file/pufijodibanimanu.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1614267c2bfc73---rarasojofapejanul.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=android+phone+hacking+codePDF 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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