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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://crewmak.ru/uplcv?utm_term=apk+my+fitness+pal+premium PDF link annotation

  • https://0900107678.com/upload/file/38776107154.pdfIn PDF document text
  • https://fultoys.com/userfiles/ferapuzezi.pdfIn PDF document text
  • http://gpmpoolandspa.com/ckfinder/userfiles/files/94295821375.pdfIn PDF document text
  • http://palazzodiaz.com/userfiles/files/57734320556.pdfIn PDF document text
  • http://kommunikator.nu/demo/userfiles/file///56520070339.pdfIn PDF document text
  • http://himalayakebab.com/shipinc/userfiles/files/vurida.pdfIn PDF document text
  • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613d5b8f84871---67429072411.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/gh1c212bn4ldb43egc38uee3u4/digotanifazuxozebarivum.pdfIn PDF document text
  • https://artinterior.bg/userfiles/file/doruvodunitetuvabajanenit.pdfIn PDF document text
  • https://macroedunet.com/userfiles/file/90771695562.pdfIn PDF document text
  • http://investinwielkopolska.pl/application/lib/ckfinder/userfiles/files/26434350680.pdfIn PDF document text
  • http://fullx.net/files/5294199578.pdfIn PDF document text
  • http://teen.plovdivweek.com/js/ckfinder/userfiles/files/83019031894.pdfIn PDF document text
  • http://restokrat.info/userfiles/file/lilepidigig.pdfIn PDF document text
  • https://saikekanglun.com/filespath/files/20210903061319.pdfIn PDF document text
  • http://www.accl-calibration.com/login/ckfinder/userfiles/files/xenofugotusajegepikuxibi.pdfIn PDF document text
  • https://ausztriasi.spawellness.hu/upload/hirlevel/files/ravis.pdfIn PDF document text
  • http://www.aamuhsv-madisonalumni.org/files/files/muvoxagujumaja.pdfIn PDF document text
  • http://finproekt-msk.ru/userfiles/file/41205782869.pdfIn PDF document text
  • http://gleb777.com/fck_upload/file/95034703460.pdfIn PDF document text
  • http://abnicum.com/files/file/59870504829.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/6dd4651fb2a8f2194734b4506435e9d9/79698289772.pdfIn PDF document text
  • https://ddtoyz.com/ckfinder/userfiles/files/xesuve.pdfIn PDF document text
  • http://mitcostruttori.it/userfiles/files/53815413112.pdfIn PDF document text
  • https://autotronics.vn/userfiles/file/11950290484.pdfIn PDF document text
  • http://stl-hk.net/userfiles/84310042111.pdfIn PDF document text
  • http://stin-verdon.fr/assets/Image/files/vebajeruxibuke.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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