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://ketchas.ru/uplcv?utm_term=reading+passages+with+multiple+choice+questions+for+6th+grade PDF link annotation

  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bb1be4405af---84887590451.pdfIn PDF document text
  • http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161026acc26cc7---nasajutedolizenorog.pdfIn PDF document text
  • http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/bazevoponepi.pdfIn PDF document text
  • http://transfertrolley.cn/d/files/64356925209.pdfIn PDF document text
  • http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/forumetekupif.pdfIn PDF document text
  • http://conblocmanado.com/pics/file/ramobesazafazugizol.pdfIn PDF document text
  • http://ok-poland.com/userfiles/file/52429973283.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/a4d8n7q529s0kb2krf4hcohf39/9270939421.pdfIn PDF document text
  • https://smilepaper.tw/archive/upload/files/72416413508.pdfIn PDF document text
  • https://apz-arte.com/ckfinder/userfiles/files/wararuzajo.pdfIn PDF document text
  • http://studiogiovannone.com/userfiles/files/39352108100.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a69d89d2fec---gebison.pdfIn PDF document text
  • http://puppiesulove.com/clients/7/7f/7fa6d7836ea929643a3c23f4562b158d/File/83871854969.pdfIn PDF document text
  • http://fructusartis.com/i/File/nefoz.pdfIn PDF document text
  • http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/civ9h5h4djlanflqrkvelm86ts/50915253763.pdfIn PDF document text
  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/kkub0brfmrgmg4jgvucgmdsm7k/jinisunofeworen.pdfIn PDF document text
  • https://beaszemin.com/files/30598260310.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/o7m3lo9m6bdaqggicoeffa2a27/41280137731.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/160943cf2c750e---70113800576.pdfIn PDF document text
  • http://www.juniorcollege.cl/ckfinder/userfiles/files/27825034008.pdfIn PDF document text
  • https://lotteppta.com/beta/assets/file/52147124386.pdfIn PDF document text
  • http://chronicles.ae/userfiles/files/dugixopogiwaxanutimulus.pdfIn PDF document text
  • https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/791471a78f9251a029ff467df0242b08/99551164828.pdfIn PDF document text
  • http://xn--80aafbanafwvcftiqfecrg2a.xn--p1ai/pict/file/60861656024.pdfIn PDF document text
  • http://dentherapia.hu/files/file/55224801887.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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