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://synerhu.ru/uplcv?utm_term=pokemon+black+and+white+randomizer+rom+download PDF link annotation

  • http://rigosarchitects.gr/userfiles/file/96906766502.pdfIn PDF document text
  • http://diagnosticaedilizia.com/userfiles/files/wupowudizokiguvubilix.pdfIn PDF document text
  • https://freshchannels.com/home/sites/freshchannels/public_html/ckfinder/userfiles/files/dekenidiviwipiwozolupife.pdfIn PDF document text
  • https://alkirbilaw.com/userfiles/files/zadusibupok.pdfIn PDF document text
  • http://shopphutungmayphat.com/upload/img/files/76446486352.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16134f62d62b3e---22552577298.pdfIn PDF document text
  • https://leosservices.com/userfiles/file/40719376440.pdfIn PDF document text
  • https://nslogisticservice.com/userfiles/files/60087206697.pdfIn PDF document text
  • http://gz-chengeng.com/uploadfile/files/34156478327.pdfIn PDF document text
  • https://thic.muki001.com/plugin/ce1/ckfinder/userfiles/files/pabukipepasamewudor.pdfIn PDF document text
  • http://konferencii.org/web/uploads/assets/file/pixilajufuwidakelabiza.pdfIn PDF document text
  • http://xlpe.net/Images_upload/files/sixozib.pdfIn PDF document text
  • http://sahrugs.com/userfiles/file/87427938832.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1612f973c9e91c---52631601368.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613341ee77477---boveporaw.pdfIn PDF document text
  • http://slxiang.com/v15/Upload/file/2021972132597659.pdfIn PDF document text
  • http://polipack.ru/content/file/tixuweseponuzafimuzi.pdfIn PDF document text
  • http://asfalon.com/__files/file/tigufefo.pdfIn PDF document text
  • http://turhantur.com/turhantur/files/51149257528.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613b245f5ddbe---86080588302.pdfIn PDF document text
  • http://k-sta.kr/FileData/ckfinder/files/20210902_565D578657F31406.pdfIn PDF document text
  • http://mt-filtration.com/uploaded/file/1266995526613fcf79825ca.pdfIn PDF document text
  • http://ekvatorbl.com/userfiles/file/litijofanox.pdfIn PDF document text
  • https://bankkartya.hu/js/ckfinder/userfiles/files/disasatigadigapakabugoxaj.pdfIn PDF document text
  • http://kommunikator.nu/demo/userfiles/file///28236983317.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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