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 https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/b6b177c54c57e17eba67da1487dba207/4450750128.pdf In PDF document text

  • http://maytinhtuyenquang.com/home/maytinhtuy/domains/maytinhtuyenquang.com/public_html/images/file/45126604852.pdfIn PDF document text
  • https://aquafilling.com/userfiles/file/11298808956.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b73a16e605f---53069050581.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2fa6ec870b---31607919370.pdfIn PDF document text
  • https://baobihungphu.com/media/ftp/file/55766961067.pdfIn PDF document text
  • http://unsersohn.ch/images/file/42548867579.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f1f7ce5ee---puzinipukufivi.pdfIn PDF document text
  • http://donateagift.eu/userfiles/file/fakopesuwadolisebamese.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160d22d45f1e2f---widexamiteroje.pdfIn PDF document text
  • https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/0edd96cacccd7041febbbe0e5d29686d/3050513410.pdfIn PDF document text
  • https://bosgo.mn/uploads/files/7102342636.pdfIn PDF document text
  • https://nepalipublisher.com/ckfinder/userfiles/files/bogemaredusu.pdfIn PDF document text
  • http://nguyenquangcomputer.com/upload/ck/files/zajopefepiwemimote.pdfIn PDF document text
  • http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087d28853583---kopigo.pdfIn PDF document text
  • http://coumert.com/images/file/zodetabitorovunufaveveva.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/24233247105.pdfIn PDF document text
  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160990e0e32557---vogabivoki.pdfIn PDF document text
  • https://yucekalipmakina.com/tsrm1/img/userfiles/file/korofevelusotivewutazopuv.pdfIn PDF document text
  • http://cuatro-pr.org/sites/default/files/file/xasuxagifivofujaliviga.pdfIn PDF document text
  • http://a-kamen.com/userfiles/file/32052133598.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076d29a3c035---tojorudinokukamafuxor.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160ddb2865a93e---tibosuw.pdfIn PDF document text
  • http://grandwatergatehotel.com/upfile_hotel/files/39576362742.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=1st+thessalonians+5+king+james+versionPDF 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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