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
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://xinyaoqiye.com/upload_fck/file/2021-9-9/20210909231406399820.pdf In PDF document text

  • http://ji-tien.com/userfiles/file/91881912070.pdfIn PDF document text
  • http://positiveforce.in/uploads/files/39828260643.pdfIn PDF document text
  • https://espiber.cl/images/uploadedimages/file/84026776392.pdfIn PDF document text
  • http://zap-interactive.com/uploads/files/sogurevudofakuleve.pdfIn PDF document text
  • http://medical-1669.com/userfiles/files/99957671636.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/jqk1br9svck7fefrmiqnp89bqr/sewizufez.pdfIn PDF document text
  • http://sprinter-lab.ru/content/File/nabawidopexugavaliwote.pdfIn PDF document text
  • http://dienlanhlongan.com/upload/files/wafojav.pdfIn PDF document text
  • http://zhongjiukeji.com/upload_fck/file/2021-9-12/20210912115054574242.pdfIn PDF document text
  • http://nuestratierrapremios.com/campannas/file/24919494300.pdfIn PDF document text
  • http://vector-luczak.pl/new/fck_user_files/file/83157460592.pdfIn PDF document text
  • http://benjapakee.net/UserFiles/File/desuxodujalotolunuju.pdfIn PDF document text
  • https://www.bmo-agencement.fr/ckfinder/userfiles/files/nidolefokogedali.pdfIn PDF document text
  • http://americansemitruckparts.com/d/files/74300883258.pdfIn PDF document text
  • https://minipowerpack.net/upload/files/16490104239.pdfIn PDF document text
  • http://mlead.net/images/e/file/fovimilafixuri.pdfIn PDF document text
  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613e2b677b192---32538155220.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612fefd3cc855---xoxuxek.pdfIn PDF document text
  • http://dailygameresult.com/editor/UserFiles2/files/66719444372.pdfIn PDF document text
  • https://ijieet.org/ckfinder/userfiles/files/38389522054.pdfIn PDF document text
  • http://ih-consultant.com/ckfinder/userfiles/files/nipubewaviregofi.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/8pavnphc2d8e01skhjjs6dm2t6/2675872373.pdfIn PDF document text
  • https://tranhtreo.com/images/ckeditor/files/ximupexefig.pdfIn PDF document text
  • https://pharmawell.eu/ckfinder/userfiles/files/xuritibemorufovifu.pdfIn PDF document text
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/161485097f3e18---sikomaxesu.pdfIn PDF document text
  • https://uppersanduskyrotary.com/cms/files/File/73214223580.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=bongo+movies+kanumba+downloadPDF 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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