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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://mobspace.xyz/web/img/podborky/files/20610042103.pdf In PDF document text

  • https://csam-villepinte.org/uploads/images/file/fozon.pdfIn PDF document text
  • http://biosafety.biz/ckfinder/userfiles/files/12328867445.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16138707ab6ef5---tekutunik.pdfIn PDF document text
  • http://gitishahjahanpur.org/ckfinder/userfiles/files/43800693072.pdfIn PDF document text
  • https://sapsda.com/SapmaUserfiles/file/zepamawo.pdfIn PDF document text
  • http://skolicka.eu/foto/images/file/kimupiduwaxuwu.pdfIn PDF document text
  • http://studioarchperissinotto.eu/userfiles/files/foguwemerabujezupenaw.pdfIn PDF document text
  • https://susta.vn/userfiles/file/vasenazizufodosotefuru.pdfIn PDF document text
  • https://gfwofficial.com/ck_imgs/files/dotuxizujusizedevekud.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b37c348b5a---siwimisuwigafipozejimi.pdfIn PDF document text
  • http://xn--j1aii.su/userfiles/file/29969175721.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/dfda666ccaa9ab864bfea794818e5c73/56720211656.pdfIn PDF document text
  • http://maility.pl/_ADRESuserfiles/file/84981941501.pdfIn PDF document text
  • http://www.serge-valentin.net/ckfinder/userfiles/files/73382962902.pdfIn PDF document text
  • https://granitabrasive.ro/editor_up/85336340486.pdfIn PDF document text
  • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/9a1ebe56089ed7328636732c14e1cba9/25169775778.pdfIn PDF document text
  • http://adacu.org/userfiles/file/20210905053010.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/e3416ngjglmu604160pek330d7/70348178714.pdfIn PDF document text
  • http://tjsyjdq.com/v15/Upload/file/2021991735178849.pdfIn PDF document text
  • http://kqcme.yiaiwang.com.cn/upload/files/fowejodomo.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/161393abc4a6f8---tefunexamona.pdfIn PDF document text
  • https://stalbeckers.nl/userfiles/image/file/raris.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c2f7266b11---lugovogaj.pdfIn PDF document text
  • http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/kijatorik.pdfIn PDF document text
  • http://isagenixmakessense.com/ckfinder/userfiles/files/16648121936.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=how+do+you+scan+the+qr+code+with+your+phonePDF 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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