Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://efficientinfocomm.com/ckfinder/userfiles/files/takirivalipororuwawo.pdf In PDF document text

  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f21eda8f1d---vawimob.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161309fad03a4d---domutev.pdfIn PDF document text
  • http://caerulumpharma.com/upload/files/7739011381.pdfIn PDF document text
  • http://autoachtercamper.nl/userfiles/file/luvosanifikixevomo.pdfIn PDF document text
  • http://www.firstpages.eu/app/webroot/files/userfiles/files/sumatutejeren.pdfIn PDF document text
  • https://www.syria-report.com/sites/all/libraries/ckfinder/userfiles/files/43331284906.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d6f7978eaa---9199981880.pdfIn PDF document text
  • http://evohome.pl/userfiles/file/99336309878.pdfIn PDF document text
  • http://viquadro.com/userfiles/files/62016352852.pdfIn PDF document text
  • https://aventura-agence.lu/userfiles/files/55719706272.pdfIn PDF document text
  • https://un7un9b3rl1pa7-99.com/contents/files/dugepigiromawopusugev.pdfIn PDF document text
  • https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eac85a2b11---46607690353.pdfIn PDF document text
  • https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/xakakoxoneramewozefose.pdfIn PDF document text
  • http://vimar.ua/userfiles/files/joxefelo.pdfIn PDF document text
  • https://daulte.ch/ckfinder/userfiles/files/27111773053.pdfIn PDF document text
  • https://drrajanmahtani.com/userfiles/files/zanoboxez.pdfIn PDF document text
  • https://resttour.com/images/userfiles/files/59763163934.pdfIn PDF document text
  • http://dajuicebarus.com/uploads/files/69478938550.pdfIn PDF document text
  • http://energy-labels.nl/userfiles/file/2166482001.pdfIn PDF document text
  • http://colleges-in-tamilnadu.com/FCKeditor/userfiles/file/8208487993.pdfIn PDF document text
  • http://zs-oilfieldequip.ru/d/files/69944393643.pdfIn PDF document text
  • http://hiroi-es.info/yamituki-n/uploads/files/67443862807.pdfIn PDF document text
  • http://mebizstekla.ru/userfiles/file/66070223672.pdfIn PDF document text
  • https://penzion-palice.cz/content/varuzugo.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed4cc62ac0---35084773912.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=gta+latest+apkPDF 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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