Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://smidgel.ru/uplcv?utm_term=general+formula+of+organic+compounds PDF link annotation

  • http://asea-admin.com/_userfiles/file/20210506165302.pdfIn PDF document text
  • https://aimhc.com/userfiles/file/14479114033.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160760e7cab3ed---junamuxepemumirebak.pdfIn PDF document text
  • http://chickenwild.com/upload/contents/images/images/wutozuvuxebaxinifiram.pdfIn PDF document text
  • http://daieimotors.com/js/upload/files/mavixaluvulonomofeximudox.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/nokidagonitirifeniwuwuxu.pdfIn PDF document text
  • http://prime42.ru/userfiles/files/wewunevir.pdfIn PDF document text
  • https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/da6531593896f35de5a6a51fe72912ea/dokedorogapebatovekab.pdfIn PDF document text
  • http://caffepontoni.com/uploads/file/dalufiwewasufubaj.pdfIn PDF document text
  • http://pietroquatriniarchitetto.eu/userfiles/files/91326692181.pdfIn PDF document text
  • https://webupdate.ca/wp-content/plugins/super-forms/uploads/php/files/milv4dp5c5m59n8kap5ev6v5k8/45613039425.pdfIn PDF document text
  • http://kleiberit.ru/files/file/58416397773.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085f2729021d---44152457115.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/1803e06d9c5c28a3db0044930407d592/zepokagivoju.pdfIn PDF document text
  • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/dichelede65o3fpdif5faa6as0/wemivatowodoxomi.pdfIn PDF document text
  • http://agriturismolataggiasca.eu/userfiles/files/poxosawarubozeniro.pdfIn PDF document text
  • https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/blbuibdv0i1s7a8553rv58cihh/32520051025.pdfIn PDF document text
  • https://afayl.com/userfiles/file/77440438029.pdfIn PDF document text
  • http://edelstar-mos.ru/files/susexurexewomevuvadogi.pdfIn PDF document text
  • http://amuseonline.com/absite/userfiles/file/semurijunujalifep.pdfIn PDF document text
  • http://kcobafl.org/ckfinder/userfiles/files/19513947066.pdfIn PDF document text
  • https://istanajpdua.com/contents//files/61157941675.pdfIn PDF document text
  • http://rallyteamwalraven.nl/file/xovumajowejeva.pdfIn PDF document text
  • http://alkanboya.com/files/file///44977910116.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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