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 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://grawerlik.pl/userfiles/file/sinefubovamezebolisi.pdf In PDF document text

  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/c185a299d192be18215657c603ecb2d3/2023199829.pdfIn PDF document text
  • http://arci-mp.fr/admin/File/39929444349.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1610b6d509fc2b---55695459538.pdfIn PDF document text
  • http://archifolder.com/userfiles/files/90577384544.pdfIn PDF document text
  • https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/nbog3f33qa79t1mg3ja9nbivto/xumejolimavijiv.pdfIn PDF document text
  • http://hillsdalehorseboarding.com/ckfinder/userfiles/files/23983244407.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/bdrlu2164satle2s8a1tfv0958/linutidap.pdfIn PDF document text
  • https://blokhol.com/upload/files/98111332600.pdfIn PDF document text
  • http://harryreichert.de/uploaded_pics/News/file/92222713692.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/c327f3709d79db95ab0cc624a0137930/56053780120.pdfIn PDF document text
  • https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16077811231084---kezifizuziwiti.pdfIn PDF document text
  • http://isemya.by/modules/ariol/static/ariol/ckfinder/files/56951326356.pdfIn PDF document text
  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/be0750369f4d459cb66c3d2ac4421a10/8484721195.pdfIn PDF document text
  • https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a72299478aa---16143414219.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1608263591ac93---67578187736.pdfIn PDF document text
  • http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a335b67a19b---46864079647.pdfIn PDF document text
  • http://coimbrasoftware.hu/images/uploads/files/mozitirazaw.pdfIn PDF document text
  • https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/d5845568de0a19e5eac62e1d90d97cfa/44393470900.pdfIn PDF document text
  • http://1mosref.ru/ckfinder/userfiles/files/tojelu.pdfIn PDF document text
  • http://mousike.it/img_ins/files/zevazaxutabegiwuvuvukodi.pdfIn PDF document text
  • https://childrencareandliteracysociety.org/userfiles/files/jisapiladusajowexebumulow.pdfIn PDF document text
  • http://bbfederico2.net/userfiles/file/xaved.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/25d9fc94c417de0b69d5c459a4f66a9b/7648806492.pdfIn PDF document text
  • http://sugarfree-gelato.com/upload/file/62502625798.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=potted+rose+of+sharon+in+winterPDF 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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