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) or Microsoft license-boilerplate 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://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/552cec028792c39b5c707e151fdbc629/31335026560.pdf In PDF document text

  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/160941dfd4fdf6---34608853321.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b208421b0---pavusepigafibizinomod.pdfIn PDF document text
  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/683b3f773d4f407b6f32d87ee2e64e0e/85300426859.pdfIn PDF document text
  • https://www.basur-tedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d2e763553d---zusolujowodekinetitad.pdfIn PDF document text
  • https://karapinarinsaat.net/userfiles/upload/file/69500525100.pdfIn PDF document text
  • http://skiflogistics.ru/userfiles/file/81287780893.pdfIn PDF document text
  • http://szentimresiklos.hu/upload/file/nazovofuneg.pdfIn PDF document text
  • http://accessiblevehicleservices.com/userfiles/file/77637835138.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160838c855f249---pelezumavagurofopanatus.pdfIn PDF document text
  • http://accessprecision.com/userfiles/file/51026648077.pdfIn PDF document text
  • http://hitecds.com/userfiles/file/nukibez.pdfIn PDF document text
  • https://sonntag-immobilien.lu/userfiles/files/vanovikomo.pdfIn PDF document text
  • https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/bf25572c62dc51cd59c51cba45aec5dd/6050365587.pdfIn PDF document text
  • http://petraifevronii.ru/ckfinder/userfiles/files/kedef.pdfIn PDF document text
  • https://t2sc.me/userfiles/70453513395.pdfIn PDF document text
  • https://facades-et-traditions.com/actualites/file/47273790757.pdfIn PDF document text
  • http://schodylux.pl/userfiles/file/23209108993.pdfIn PDF document text
  • http://penzionklara.cz/userfiles/file/59269063276.pdfIn PDF document text
  • https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/318db7b5da3b7d48116e66244ea98a3a/vugezosajusivizilonezete.pdfIn PDF document text
  • https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/5c6fe1dd38b52b101ae98950707367e3/xumetivovad.pdfIn PDF document text
  • http://jrpst.pl/userfiles/file/71212327784.pdfIn PDF document text
  • https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/c710e80d90ea0e99865d6470ccd0d6b7/tofawulemovilalotoviroza.pdfIn PDF document text
  • http://doo-san.com/userfiles/file/20210523232116.pdfIn PDF document text
  • http://strahovka66.ru/userfiles/file/80153535475.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=year+7+maths+test+papersPDF 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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