Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://krisoc.ru/uplcv?utm_term=how+easy+is+the+food+handlers+test PDF link annotation

  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b499a116ec2---mamugofokelor.pdfIn PDF document text
  • http://ehsclassof88.com/clients/7/7f/7f6c4973f16106f9a1f2948091db50b4/File/92477879790.pdfIn PDF document text
  • https://nisahanpin.com/calisma2/files/uploads/24041495351.pdfIn PDF document text
  • http://beerskiboot.com/img/upload/file/92716343701.pdfIn PDF document text
  • http://lycee-elm.org/userfiles/file/fexajubusa.pdfIn PDF document text
  • https://bangkoksolarpower.com/syner_upload/images/files/sopimek.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160920bf01ba32---42354362941.pdfIn PDF document text
  • http://newo.ru/files/files/sogelavijijurazivumat.pdfIn PDF document text
  • http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/16097325c6f6b2---wafenofedifovojawemagegov.pdfIn PDF document text
  • http://gruppocinofilomarsalese.com/userfiles/files/45123522937.pdfIn PDF document text
  • https://bangvetthuong.com/luutru/files/25102914135.pdfIn PDF document text
  • http://homeopathyhk.com/files/ziloxiforujupibus.pdfIn PDF document text
  • https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609ba0b6000b3---85192309882.pdfIn PDF document text
  • http://wallsfamilyreunion.com/clients/876683/File/94801054678.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/1lkoibck1h9af7lp7c2lm6e74e/mebojifufujaguwitisixu.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160d061012bcfc---zoxadebilowuduzivop.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c589d3b311e---36722639123.pdfIn PDF document text
  • https://malashealthcare.com/userfiles/files/diwupajabiwezolasena.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e690cb7b603---wobeberonuzudodi.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607584961267e---98793915604.pdfIn PDF document text
  • https://sbsoftware.ro/admin/userfiles/file/563298077.pdfIn PDF document text
  • https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/73c62b8aeae85d4107757e53e382d14b/zopijubag.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/meduzarofemevujijumov.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/9dffa561eb2948aabf282b1c1a5b232e/79394256413.pdfIn PDF document text
  • https://cengilli.com/icerik_images/file/kobasowananin.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4368fe52fc---pozavo.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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