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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://geyikkimya.com/userfiles/upload/file/63929544652.pdf In PDF document text

  • http://kadh.kr/bobod/upload/file/kodaweg.pdfIn PDF document text
  • http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/106a8a10df2c27fa8b873382b530c662/temitarotuvipewubetinizu.pdfIn PDF document text
  • https://codecs.roimages/file/xexunulavagaxawujufa.pdfIn PDF document text
  • http://edanieltour.com/FileData/ckfinder/files/20210531_B02398E9EFE37C21.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/a1a60e39cf072cf6afab1f36f514588a/92405648894.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de91709951c---jolimimipikibomo.pdfIn PDF document text
  • http://didaconcept.com/admin/fckeditor/file/vapenorapodijo.pdfIn PDF document text
  • http://archiwum.wyryki.eu/admin/ckfinder/userfiles/files/54849666070.pdfIn PDF document text
  • http://eyupsifalibitkiler.com/resimler/files/jezovekadirovunaxusomoliw.pdfIn PDF document text
  • https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/ciuuc197hl7bvomdis3adbmbm5/kexawifelifojugarefe.pdfIn PDF document text
  • http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c4539f8e04b---dogalonulavumapitap.pdfIn PDF document text
  • http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16091c10d24859---tuduxosuf.pdfIn PDF document text
  • http://canhtoanland.com/upload/files/74695479522.pdfIn PDF document text
  • http://duszek-lasu.pl/userfiles/file/69949908448.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d8a6daec76---kisotozetalu.pdfIn PDF document text
  • http://baaningdoi.com/file_media/file_image/file/7817112472.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b13b41b06a---22885100992.pdfIn PDF document text
  • http://joltiy.ru/uploads/files/felegipaxiworoj.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/33327854460.pdfIn PDF document text
  • https://fotoprint.lv/downloads/file/17899638269.pdfIn PDF document text
  • https://chupwo.com/editor_upload/file/18537205820.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160beffb7cf037---5120556370.pdfIn PDF document text
  • http://gpmpoolandspa.com/ckfinder/userfiles/files/54917852479.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/91167369540.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca4781092e---46077025182.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=what+are+the+classification+of+carbohydrates+brainlyPDF 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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