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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://infrive.ru/uplcv?utm_term=vlc+player+apk+download+for+android+tv PDF link annotation

  • https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dcd816935c---21591193544.pdfIn PDF document text
  • http://sarljarry.com/userfiles/file/49832564832.pdfIn PDF document text
  • https://strategieb2b.ca/userfiles/file/juzilironumumeperi.pdfIn PDF document text
  • https://ilonew.tasksplan.com/userfiles/files/97602935130.pdfIn PDF document text
  • https://debcopharma.com/userfiles/file/purogotowixetomegasefuz.pdfIn PDF document text
  • http://investinwielkopolska.pl/application/lib/ckfinder/userfiles/files/30629210789.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/c9pk33qmresedb8nlorq6ptr0g/96742340111.pdfIn PDF document text
  • http://faizleathergloves.com/userfiles/files/67380110623.pdfIn PDF document text
  • http://nemalipics.com/75151545217.pdfIn PDF document text
  • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614716b632834---60854799697.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a7c926f336---kolujekubolevovozewopum.pdfIn PDF document text
  • http://montpellier-businessplan.eu/mbp/upload/images/images/upload/ckfinder/faxuruzukibonudet.pdfIn PDF document text
  • https://promaxsuspension.com/csmimage/file/46463889124.pdfIn PDF document text
  • https://www.creativetalentnetwork.com/ckfinder/userfiles/files/12105693307.pdfIn PDF document text
  • http://charontrade.hu/data/file/70000031178.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16145a549dbffc---fuwegeninujebiwizawixo.pdfIn PDF document text
  • http://otvorene-srdce.sk/userfiles/file/41132432527.pdfIn PDF document text
  • https://retta-bg.com/userfiles/93556493427.pdfIn PDF document text
  • http://adbuilder.at/ckfinder/userfiles/files/rejidejemejodora.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614059bc6d9b2---21200038230.pdfIn PDF document text
  • https://xn--atpta-nfb.lv/images/userfiles/files/dopala.pdfIn PDF document text
  • http://lakshimi-kaatsu.com/user_data/packages/default/imgfiles/34259784990.pdfIn PDF document text
  • http://bitree.net/ckfinder/userfiles/files/sabagun.pdfIn PDF document text
  • https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/6a090ccd2e9a610f4a8c35c61a632ddb/38027767618.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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