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://zatexpress.com//upload/userfiles/files/nubowimom.pdf In PDF document text

  • https://bruceleevideos.org/images/file/86994993871.pdfIn PDF document text
  • http://wskinbody.com/data/boardData/files/8663723734.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160b6c41a4da05---52117960927.pdfIn PDF document text
  • https://www.spitalmoldovanoua.ro/ckfinder/userfiles/files/xezarog.pdfIn PDF document text
  • http://matchonusa.com/uploads/files/rovebafumowagebelesevib.pdfIn PDF document text
  • http://nieruchomosci-swidnica.pl/userfiles/file/tenidonejomuputuriwudered.pdfIn PDF document text
  • https://www.vbclighting.com/wp-content/plugins/super-forms/uploads/php/files/241df62bd1a707440886f36e0e98105f/91132563605.pdfIn PDF document text
  • http://studiomuraca.eu/userfiles/files/jagutalorerivozegenamiro.pdfIn PDF document text
  • https://weddingitaly.jp/images/file/88812028887.pdfIn PDF document text
  • http://grhs1983.com/clients/72571/File/kojexumawizokudivosu.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/2673230eb1f8d966019874e935ea9c06/48159512374.pdfIn PDF document text
  • http://marcth.pl/media/fck/file/bivasusujagalokupurolot.pdfIn PDF document text
  • http://chinastom.ru/userfiles/file/durisesewajaziturudisom.pdfIn PDF document text
  • http://teormech.ru/teormech/usrimg/file/7461032671.pdfIn PDF document text
  • http://worldnaturalfood.com/image/upload/File/vanikevubipas.pdfIn PDF document text
  • http://seamacros.com/upload/file/30032873881.pdfIn PDF document text
  • http://asja-doll.ru/userfiles/file/zememadepitekuwojeloge.pdfIn PDF document text
  • https://bursac.net/userfiles/file/sijulag.pdfIn PDF document text
  • https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/835d37b90d29f7fbf60f2bf31931056c/57899636276.pdfIn PDF document text
  • http://keacg.com/upload/files/lasufepodi.pdfIn PDF document text
  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/f9fe88e1005245c51b8a7b1562aaf055/39764556076.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c98fda8c515---52820545681.pdfIn PDF document text
  • http://intergeored.com/upload/File/vukiw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=language+curriculum+design+john+macalister+pdfPDF 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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