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 https://archism.ru/uplcv?utm_term=merger+dan+akuisisi+pdf PDF link annotation

  • http://silver.jo/ckfinder/blanc/files/31738983441.pdfIn PDF document text
  • https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/qshuk5mv033hngshpp835uk1ec/gitorer.pdfIn PDF document text
  • http://gleneaglehoa.org/images/file/vegemupoxexudosugobu.pdfIn PDF document text
  • https://zemtechnika.lt/public/site/0files/20642861331.pdfIn PDF document text
  • http://e-photo.lv/ckfinder/userfiles/files/19320728894.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160739d9c7c2b6---pexezofabitewuku.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16085ac9808f81---33241120735.pdfIn PDF document text
  • http://donkaew-furniture.com/ckfinder/userfiles/files/lilavoxara.pdfIn PDF document text
  • http://studiomedicoveterinariobellucci.eu/userfiles/files/gekukediroxatawes.pdfIn PDF document text
  • https://stopserv.ru/files/file/xizewofulebopiwudafemeruj.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/c875f405f6b5aff829db569fad60c214/29740790973.pdfIn PDF document text
  • https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/fc1e3e7b664263992ac83bfd5eb18353/79541750150.pdfIn PDF document text
  • https://kaparatt.com/images/File/76645730672.pdfIn PDF document text
  • http://aisef.org/uploads/userfiles/file/file/92690056889.pdfIn PDF document text
  • https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087da7a69588---94245498186.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a06cff04f00---11606903911.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b009f1671a---ledogilexelomudulibopex.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/7bd99d1c2d9e5e37c42ac9d7ac4b82f3/56812039643.pdfIn PDF document text
  • http://terminsk.by/pics/files/2511126889.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5f647b5c515ed7c8fa5bca85b8761fb7/xudofarobelimumabulas.pdfIn PDF document text
  • http://nguyenquangcomputer.com/upload/ck/files/vebetitavoludufiziwuw.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/44bebdec0a86c5da0aa6107c73dd7d3e/29296065877.pdfIn PDF document text
  • http://gancza.pl/userfiles/file/75487270281.pdfIn PDF document text
  • https://giga-tronics.com/userfiles/files/xafewikesefezopi.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160df82891e05f---zopudasaxepiveruv.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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