Malicious PDF — malware analysis report

Heuristics 9

• 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.
• 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.
• 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://ketchas.ru/uplcv?utm_term=poco+x3+nfc+next+update PDF link annotation

  • http://parikshitconstruction.com/uploads/tifapisawugimofodulisol.pdfIn PDF document text
  • http://odumakus.com/uploads/files/7204627441.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/161328b12ba554---99813135218.pdfIn PDF document text
  • https://multimetrics.com/ckfinder/userfiles/files/fevivoz.pdfIn PDF document text
  • https://alternativi.brtim.com/uploads/wysiwyg/files/31004573208.pdfIn PDF document text
  • https://a-pointpro.com/cms/ckfinder/userfiles/files/66307573064.pdfIn PDF document text
  • http://bud-med.eu/userfiles/file/44613850738.pdfIn PDF document text
  • https://medtek.vn/storage/file/muvovobozakalevaj.pdfIn PDF document text
  • http://theofficeplus.com/userfiles/file/84948638846.pdfIn PDF document text
  • https://callmarkinvestments.com/callmark/files/vojevebadelase.pdfIn PDF document text
  • http://harringtonassociateslaw.com/Test/JabzMedicalBillingService/userfiles/file/37064253509.pdfIn PDF document text
  • https://www.frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/devawemu.pdfIn PDF document text
  • http://biznesfishki.ru/files/userfiles/files/nofiregefarexobup.pdfIn PDF document text
  • http://www.lnk-creation.fr/upload/file/nozewigajavigapegewowara.pdfIn PDF document text
  • http://fongyoskert.hu/userfiles/files/wufukagudezujurasinepe.pdfIn PDF document text
  • http://almawred-sy.com/files/adminfiles/files/39236421355.pdfIn PDF document text
  • http://saxonrt.hu/img/userfiles/files/giximefudilekafapex.pdfIn PDF document text
  • http://benthanhsgfarm.com/images/uploads/files/nupabu.pdfIn PDF document text
  • https://castilloexterior.org/ckfinder/userfiles/files/dafukajotan.pdfIn PDF document text
  • http://thibangoto.com/app/webroot/uploads/files/xorobixesaxawoniboso.pdfIn PDF document text
  • http://kurumakaitori-one.com/js/upload/files/82541543538.pdfIn PDF document text
  • http://hoteldazegliotorino.com/userfiles/files/dositavuzu.pdfIn PDF document text
  • https://aydin-elektrik.com/resimler/files/74992576292.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/0d3c3b95aa3d01614bc09ca87256c4b7/92763358407.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613062871c3c1---mariruwuleperefisinike.pdfIn PDF document text
  • https://tdfstore.it/file/fubabeteruzalisixal.pdfIn PDF document text
  • 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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