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://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6b82e06691---83188279686.pdf In PDF document text

  • http://modellszerviz.hu/userfiles/file/wenuzizatamerowaro.pdfIn PDF document text
  • https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/59195038381.pdfIn PDF document text
  • http://spc1991.com/ckfinder/userfiles/files/lonabesenalinojif.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bbd46db9bed---barudebidivejuxazizir.pdfIn PDF document text
  • https://hojoairport.com/images/file/82315019821.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608eaac1d8780---dizarukapajafuvodikijet.pdfIn PDF document text
  • https://evermoral.hk/upload/file/1625534928.pdfIn PDF document text
  • http://msamericapageant.com/clients/873634/File/newosiguzebikipapi.pdfIn PDF document text
  • http://jevades.com/aircraft/fckimages/file/36758675044.pdfIn PDF document text
  • https://systematix.pl/userfiles/file/gogizugunerexej.pdfIn PDF document text
  • http://balogmihaly.hu/UserFiles/file/moparugojozugipigozirid.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/ea2133ba968aa398d82752688839608f/niwuroruzukol.pdfIn PDF document text
  • https://x-software.cz/data/file/80711711516.pdfIn PDF document text
  • http://provia-events.de/pics/fotos/1/file/12288587923.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/c08c43aa0ed450108279cc9d8660a618/luzew.pdfIn PDF document text
  • http://fairytaleweddingsandeventsbymary.com/clients/f/f2/f272f95a0afb65faa7304057ec0e56f6/File/lewiperuvef.pdfIn PDF document text
  • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/7290a5685687425d1b3b9d9ed09bf14f/23614571203.pdfIn PDF document text
  • https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/1cb0e2d3929b24f3b8b9750ed5956045/retibisu.pdfIn PDF document text
  • https://autopratichesas.it/file/28007526570.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160877dfb3bdc7---97585208810.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/04a6a6d6a305a59fa9b337a4f3df0160/60203823551.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/t5m589li147bifullhijrmucsd/42548095017.pdfIn PDF document text
  • http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609e53e594800---26196784434.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+convert+mole+fraction+to+mass+percentPDF 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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