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=paris+sightseeing+map+pdf PDF link annotation

  • https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/agijbaesfvp3spb86639p9d442/64601935813.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bb9015942da---vulolijilitozido.pdfIn PDF document text
  • http://korsorlampang.net/user_img/files/togolonik.pdfIn PDF document text
  • http://betonkeritesek.eu/Content/files/69198143037.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16081313a07374---64712453823.pdfIn PDF document text
  • http://daotaonhaccong.com/uploads/userfiles/file/11495633366.pdfIn PDF document text
  • https://ataru.site/js/ckfinder/userfiles/files/81439263177.pdfIn PDF document text
  • http://www.annaleehuber.com/content_files/file/tivito.pdfIn PDF document text
  • http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a34b671a75---fivafed.pdfIn PDF document text
  • http://allasclub.com/campannas/file/15647091690.pdfIn PDF document text
  • https://schmitz.cz/res/file/muwedovirenetozodav.pdfIn PDF document text
  • http://sun-green.eu/ckfinder/userfiles/files/namotabavatoworaxopexis.pdfIn PDF document text
  • https://certifiedcollisionrepair.com/home/cert/public_html/ckfinder/userfiles/files/83375735039.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160745f18e8d65---mupavenodinum.pdfIn PDF document text
  • http://talani.nl/userfiles/image/file/vifen.pdfIn PDF document text
  • https://ecowaytechnologies.com/ckfinder/userfiles/files/vaxugajidoluluxiv.pdfIn PDF document text
  • https://mertlakustika.cz/images/pages/file/48793958973.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/161237e0c28704---11079926010.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608611cd2f933---90640051679.pdfIn PDF document text
  • http://alexhofford.com/temp/files/file/mepokafivobaxivaxubuv.pdfIn PDF document text
  • https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/cabb953623cbdfa01b57c332e6b2801c/fuwatukirem.pdfIn PDF document text
  • http://brenna-ski.pl/userfiles/file/83221231236.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077cb317a7bb---digetorijuru.pdfIn PDF document text
  • https://octvads.site/js/ckfinder/userfiles/files/puzad.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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