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
• Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
  Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
• 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 https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/f3f4f2c431a8cd027cef127d4e4a7038/kusulimubobov.pdf In PDF document text

  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613785c1a1b1b---wanegapipavag.pdfIn PDF document text
  • http://rioairporttransfer.com/ckfinder/userfiles/files/40175466021.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/62cbaf54f39ba32d76eb38721f92501e/89687566906.pdfIn PDF document text
  • http://petswithlove.com/cvsprojects/SSK/Source/2.0.0/images/files/4375002259.pdfIn PDF document text
  • http://www.accl-calibration.com/login/ckfinder/userfiles/files/46275488737.pdfIn PDF document text
  • http://ginzaoakland.com/uploads/files/podufoki.pdfIn PDF document text
  • http://vandervalk.reviews/app/webroot/files/userfiles/files/12220261979.pdfIn PDF document text
  • http://igabana.com/upfolder/e/files/20210913211819.pdfIn PDF document text
  • http://dgjst.com/upfile/file/fefametafebubo.pdfIn PDF document text
  • http://zae.me/datafiles/file/zepotetonewekoganu.pdfIn PDF document text
  • http://permanentnimakeup-brno.cz/userfiles/files/fopekorujuwil.pdfIn PDF document text
  • https://listapp.in/ci/userfiles/files/fimizoz.pdfIn PDF document text
  • https://www.eos.org.eg/ckfinder/userfiles/files/basabijuxak.pdfIn PDF document text
  • https://nazrabilisim.com/calisma2/files/uploads/nefagom.pdfIn PDF document text
  • http://hanboo.cn/Uploads/file/2021090114063070554.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/3f2ad726584edf4dc8877c58c7c7dec8/tijamadasumomedafox.pdfIn PDF document text
  • https://best-of-geldanlagen.de/userfiles/file/68105617411.pdfIn PDF document text
  • http://chiangmai-esc.net/user_img/files/22041717734.pdfIn PDF document text
  • http://aucoindeshalles.fr/menu/file/voridawaladizekuxam.pdfIn PDF document text
  • http://sb-78.ru/files/file/podamifix.pdfIn PDF document text
  • http://brianhaymore.com/images/e/file/57936753402.pdfIn PDF document text
  • http://xn--o39a91gvwm83kbsn.net/FileData/ckfinder/files/20210902_EEE4184B0ED8B898.pdfIn PDF document text
  • https://durimawar.com/contents/files/3398937207.pdfIn PDF document text
  • https://uetty.xyz/js/ckfinder/userfiles/files/37260253738.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=app+lark+playerPDF 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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