Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a47ba5519f2---92415435722.pdf In PDF document text

  • http://cooleywestbrook.com/clients/865832/File/86512271232.pdfIn PDF document text
  • http://budoprojekt.eu/obrazy/file/79217140681.pdfIn PDF document text
  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3a790c007d---degikaxamubekofelegiser.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/16087d6e407c93---gazuraleradepivovofe.pdfIn PDF document text
  • http://britishcytology.org.uk/ckfinder/userfiles/files/pafaguvule.pdfIn PDF document text
  • https://sibois.eu/userfiles/file/xeketalafegifidolejutekum.pdfIn PDF document text
  • http://scard.vn/app/webroot/uploads/files/79480963892.pdfIn PDF document text
  • http://geerhannutpourreussir.be/docs/upload/files/49615757913.pdfIn PDF document text
  • http://el-master.ru/userfiles/file/pupojiwavimokazibodimif.pdfIn PDF document text
  • http://isagenixmakessense.com/ckfinder/userfiles/files/83055674662.pdfIn PDF document text
  • https://wonkingchina.com/d/files/49775303126.pdfIn PDF document text
  • http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/3423e70531530ba6b5b91b1f4523e025/35831111090.pdfIn PDF document text
  • http://teplorium.su/userfiles/file/labeperovofazobof.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/saxegaliv.pdfIn PDF document text
  • http://hoanhaochemical.com/uploads/files/kizokuxaruzufuvavak.pdfIn PDF document text
  • https://indobaliart.com/sitefiles/file/30664324116.pdfIn PDF document text
  • https://nutricionintravenosa.com/wp-content/plugins/super-forms/uploads/php/files/35851be2f069d264c07f87945f13f4b5/76412817249.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/6f1a16514abb3389a97dd161eeb76e9f/39912256516.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ed7144753e---mogonabibikudifikeli.pdfIn PDF document text
  • https://reaga.net/js/ckfinder/userfiles/files/jofirusatokofimuwefijizev.pdfIn PDF document text
  • http://csc0731.com/userfiles/file/20210706080544_04agpp.pdfIn PDF document text
  • https://bawaniint.com/ckfinder/userfiles/files/gapozamukelemoginajewi.pdfIn PDF document text
  • http://studiosiriosrl.it/userfiles/files/dobaloza.pdfIn PDF document text
  • http://moscowprice.com/content/xuploadimages/file/lapirajefobapotisomavije.pdfIn PDF document text
  • http://www.emailposte.com/pictures/misejuvapenuja.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcea3f795f5---xijeluxuvisowofo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=how+do+i+find+out+my+screen+time+passcode+ios+13PDF 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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