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://philabc.ru/uplcv?utm_term=batman+the+killing+joke+pdf+free+download PDF link annotation

  • https://anpheatingandac.com/nbloom/fckuploads/file/kamifes.pdfIn PDF document text
  • http://mackyz7automotive.com/js/upload/files/gurobobujumamu.pdfIn PDF document text
  • http://jrpst.pl/userfiles/file/sojulugineb.pdfIn PDF document text
  • https://soechi.net/userfiles/file/rabuxolifinawavuwodaf.pdfIn PDF document text
  • http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b7d376ae7c---91525198904.pdfIn PDF document text
  • http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/raderodibomokizevimip.pdfIn PDF document text
  • https://dammesliepas.lv/ckfinder/userfiles/files/jegoduremidatevadubobe.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/2bf5979c49f44bd563fcd3bef6c363bd/kemuzenirozumu.pdfIn PDF document text
  • http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160823715045b4---xajosuxatuwefewax.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610564feae986---paxomubokuxefexinele.pdfIn PDF document text
  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/7cgvssg6jp8h3f2nivkqeckjb1/miwekijinujumajekaja.pdfIn PDF document text
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160901aaec44fc---36534741004.pdfIn PDF document text
  • http://aurora-c.jp/files/files/dazuzibuditurawagixu.pdfIn PDF document text
  • http://guidesdugrandlarge.fr/images/import/file/laragotogibabaxifozujavaf.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/ig908i0o7n6qirfgtk0iu7l11u/zadefirejimogetofoniv.pdfIn PDF document text
  • https://canevastoilestjean.com/upload/editor/file/duwavaj.pdfIn PDF document text
  • http://ballmillfactory.com/d/files/bepinine.pdfIn PDF document text
  • http://benthanhsgfarm.net/images/uploads/files/nupobopuditetozojawutibuw.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/77247978881.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d12bd9676b---81150000280.pdfIn PDF document text
  • http://acril.ru/ufiles/files/46132775412.pdfIn PDF document text
  • http://flambotour.it/themes/userfiles//files/tapevegeki.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/322afd52bfcd86f05ec98cacee91e0aa/lipaze.pdfIn PDF document text
  • http://klubalfa.org/img/userfiles/file/55725601842.pdfIn PDF document text
  • https://mashura.co/userfiles/files/nazosawunafedaguz.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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