Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://smidgel.ru/uplcv?utm_term=802.11+ac+wlan+adapter+driver+download PDF link annotation

  • https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/8875b99eae46231dd75d98ef36574ece/5918838490.pdfIn PDF document text
  • https://dentalrud.com/userfiles/file/suzositudodogavibujalarif.pdfIn PDF document text
  • https://watertorens.nl/userfiles/file/84740440672.pdfIn PDF document text
  • http://wasserburg.pl/userfiles/file/gejobitidobomiwudifokas.pdfIn PDF document text
  • http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fa20e9aca54---pifukokawaxam.pdfIn PDF document text
  • https://dejavuruse.com/userfiles/file/3899643284.pdfIn PDF document text
  • http://ebsenglish.net/_UploadFile/Images/file/95732187431.pdfIn PDF document text
  • http://ttccid.com/userfiles/file/89261978718.pdfIn PDF document text
  • http://taitung-house.com/CKEdit/upload/files/13789374610.pdfIn PDF document text
  • http://washchienluoc.com/upload/file/32958312238.pdfIn PDF document text
  • https://faresaldabbous.com/uploads/files/zisodivido.pdfIn PDF document text
  • https://sbmhavacilik.com/userfiles/file/pixuwolewowiwumatare.pdfIn PDF document text
  • http://jcbcharpentebois.com/ressource/site-image/files/35946713911.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082ae3ae9f8c---debakexevikuse.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1610eba635a2ed---dekuges.pdfIn PDF document text
  • https://krassimirtaskov.com/userfiles/files/92462589854.pdfIn PDF document text
  • https://peoplesmodelinternational.com/ckfinder/userfiles/files/giwuwamimamolorizebazi.pdfIn PDF document text
  • http://zajazd-broadway.pl/galeria/file/78593778563.pdfIn PDF document text
  • http://aeronautike.com/userfiles/file/waporok.pdfIn PDF document text
  • http://travellerisland.com/files/xoxinobawawinularofivipo.pdfIn PDF document text
  • https://soudurelausiere.ca/upload/editor/file/5840582953.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16098bb52a1ef2---beledavobi.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160870168a1da6---jomogotifinexoz.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/9368dca21d0d266eea5839a14feb24da/nexanobamipa.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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