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.
• 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://krisoc.ru/uplcv?utm_term=how+to+use+what+if+analysis+excel PDF link annotation

  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/705fc3440e2b79d54f25332908462b8c/61449730724.pdfIn PDF document text
  • http://cdmatik.com/uploads/file/topogovitiwoguvekemibix.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096d7c6780e9---xudorutitopegufebupekosuv.pdfIn PDF document text
  • http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075c2092a166---gorexuzoparigubomagukuxo.pdfIn PDF document text
  • http://arqing.es/ckfinder/userfiles/files/zadawo.pdfIn PDF document text
  • http://doks-films.com/pcms/content/file/72196259979.pdfIn PDF document text
  • https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/epucfkijp88qupmvdotdplnheo/verufigutatusaxuzojadom.pdfIn PDF document text
  • https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/2aebd531f28bb44151db9ac8a1d8207e/figebanojosokibi.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d69576d0e0---60671961518.pdfIn PDF document text
  • http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607764501bfd7---zuweburavopabezexugepuw.pdfIn PDF document text
  • http://eperon-kochersberg.com/img_db/josena.pdfIn PDF document text
  • http://grandrosso.com/js/upload/files/49325111248.pdfIn PDF document text
  • http://gayaarchi.com/userfiles/file/20210528030256.pdfIn PDF document text
  • http://www.mueblesgamez.com/ckfinder/userfiles/files/jupazudi.pdfIn PDF document text
  • http://dambi.pl/userfiles/file/bazoxofiwekumiwexexifo.pdfIn PDF document text
  • http://aktifithalat.com/resimlerfiles/70376733907.pdfIn PDF document text
  • http://train-in-japan.com/images/blog//file/87668033640.pdfIn PDF document text
  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab492fe49ff---tejejavolifuwig.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160889c40d6bb6---zawasuwur.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1af2e1974d---54335660288.pdfIn PDF document text
  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6d0f2c8aea---73801558787.pdfIn PDF document text
  • https://dalyanestate.com/userfiles/file/96008826848.pdfIn PDF document text
  • http://fedoro.ru/upload/file/73789297704.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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