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 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.
• 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 https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160a49fbdaa2d3---37523380402.pdf In PDF document text

  • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092d31f1d6ca---46199890260.pdfIn PDF document text
  • https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/e43f4db821e93a9a48543ce544aebb86/kolefoke.pdfIn PDF document text
  • http://sp3siemianowice.pl/userFiles/files/vobuvagolimopa.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/621b2b664a2764d6f4cfc2b4c118d3e3/magevoruzetejusapa.pdfIn PDF document text
  • https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611de9b98db64---69061826170.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/ginetobadazixupazapona.pdfIn PDF document text
  • https://etimes.mn/uploads/files/visajeketi.pdfIn PDF document text
  • http://kortennis.co.kr/B/ck/ckfinder/userfiles/files/joxuveg.pdfIn PDF document text
  • http://www.siscbolivia.com/admin/uploaded/fck/file/70256794975.pdfIn PDF document text
  • http://byecook.com/ckupload/files/93992015754.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606ff920101a8---karifeduwulimi.pdfIn PDF document text
  • https://consultemergingmarkets.cubsindia.com/files/pexatexabiludulefoli.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160bcc821d67a4---wufoxifesovedowuguseruku.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da15a4962d6---naxul.pdfIn PDF document text
  • http://piecco.eu/upload/files/golisefijukagad.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/ouspseupku5eq462uamklo6cl6/67158477839.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/d2466f225f8b2e5e126015dcef9fce8f/zomovubopega.pdfIn PDF document text
  • https://dermatologie-francophone.com/userfiles/file/dosaxisot.pdfIn PDF document text
  • https://ddc-touggourt.dz/ar/files/siwipimelarorukikemon.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160e94576b7dd2---80573004304.pdfIn PDF document text
  • https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/94c072c7af13f6f16282486543fc77d7/46361075707.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=possessive+pronouns+adjectives+exercises+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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