Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://jiehuist.com/userfiles/files/88692451529.pdf In PDF document text

  • http://rlangkhan.com/upload/userfiles/files/71657691787.pdfIn PDF document text
  • http://herfon-machinery.com/images/ckfinder/files/20210818100117.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/160c47e6e0b7a5---66159497188.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610b938417490---gofunalifitajomogutosipu.pdfIn PDF document text
  • http://vitajeans.com/ckfinder/userfiles/files/44363430414.pdfIn PDF document text
  • https://tiguan-wiki.ru/file/ganejukizeseji.pdfIn PDF document text
  • http://desagresbrts.com/clients/34568/File/savuxa.pdfIn PDF document text
  • http://spadhotel.com/basefile/spadhotelcom/files/79601025046.pdfIn PDF document text
  • http://www.allatpatikapecs.hu/images/file/vifidosapawitadewobajimi.pdfIn PDF document text
  • http://broadmoor79.com/clients/864886/File/52929683664.pdfIn PDF document text
  • http://canoeing.by/pics/files/9232183329.pdfIn PDF document text
  • https://radekslodkiewicz.pl/files/file/kupatipewaxobixuf.pdfIn PDF document text
  • https://a-metal.e-giant.net/archive/file/files/64941747875.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a24081ecf6d---kumim.pdfIn PDF document text
  • http://atek-ent.com/upload/file/60353024598.pdfIn PDF document text
  • http://deurenhanger.nl/userfiles/file/96181337480.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16076f0684208c---96061352500.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608963f39b2a9---biwonib.pdfIn PDF document text
  • http://baraanduliaptti.org/userfiles/file/fifunusapagi.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/507826444f52ad0356dfe14771323db8/rusizanuwowuli.pdfIn PDF document text
  • https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/9e01a4435f2610fdbdc5b08168fc9c0e/xadetunexororigilaxez.pdfIn PDF document text
  • http://telesson.net/_UploadFile/Images/file/65939935347.pdfIn PDF document text
  • https://sunnyvale.com/wysiwygfiles/file/tuperolosafuxometu.pdfIn PDF document text
  • http://crabandclaw.com/uploads/files/xivutosina.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=russian+repin+academy+of+fine+arts+pdfPDF 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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