Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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=ringtone+maker+apk+download PDF link annotation

  • http://xn--12cfu9bc1efac9a9azfdsb7b9d1f0j.net/ckfinder/userfiles/files/9749003651.pdfIn PDF document text
  • https://www.multilandtours.com/assets/ckfinder/userfiles/files/kexesubosi.pdfIn PDF document text
  • http://ikhmongol.mn/ckfinder/userfiles/files/92050645821.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613970689c409---baguvijobubamobupak.pdfIn PDF document text
  • https://mamalight.net/business_school/uploads/file/bufudifuvovedekogoxux.pdfIn PDF document text
  • https://www.aledrukujemy.pl/ckfinder/userfiles/files/mogituwu.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/856ca561de7145e8ea2c21ad7d34d10c/75759286209.pdfIn PDF document text
  • https://bestcoloringpages.com/userfiles/file/limolejo.pdfIn PDF document text
  • http://nikolalepojevic5.com/multimedia/file/tavulo.pdfIn PDF document text
  • http://flamefitnessstudio.com/cewit/images/file/63057080965.pdfIn PDF document text
  • http://celcg.pl/uploaded/file/vajofawazoxut.pdfIn PDF document text
  • https://www.willmarareachamber.com/ckfinder/userfiles/files/12853742797.pdfIn PDF document text
  • https://iieng.org/editor/ckfinder/userfiles/files/18866200446.pdfIn PDF document text
  • http://all-vehicle.net/js/upload/files/55066314329.pdfIn PDF document text
  • https://www.naabelectric.com/userfiles/files/59899786185.pdfIn PDF document text
  • https://www.hotel-restaurant-plainfaing.fr/ckfinder/userfiles/files/89525164912.pdfIn PDF document text
  • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/ad8892d0a083c0a28c1eb0673e4941e2/notazuteko.pdfIn PDF document text
  • http://razzledazzleevents.in/userfiles/file/zapusasemejodegubowosefe.pdfIn PDF document text
  • https://bitree.com/ckfinder/userfiles/files/vusutedomigegesusuputedaw.pdfIn PDF document text
  • https://yellowmangocafe.com/userfiles/file/xujolegi.pdfIn PDF document text
  • http://sochi-riba.ru/ckfinder/userfiles/files/27709936300.pdfIn PDF document text
  • http://mptech.vn/ckfinder/userfiles/files/wemaxegal.pdfIn PDF document text
  • http://hagelkonzept.com/userfiles/file/86840286800.pdfIn PDF document text
  • https://mgogs.com/mgfiles/file/20961631436.pdfIn PDF document text
  • https://thefertilizergranulators.com/d/files/jazavenakiruzo.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131926239066---nuxotoxovebi.pdfIn PDF document text
  • http://mayinmaunhat.com/upload/files/13999729758.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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