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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 2 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.
• 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=periscope+download+android PDF link annotation

  • http://nirmalapublicschoolerumely.com/userfiles/file/4625551482.pdfIn PDF document text
  • https://www.kindspring.org/inc/ckfinder/userfiles/files/diwuvivonejedalufujamoza.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/fdad76ff7a062c022e81898e653ab5ec/84038844423.pdfIn PDF document text
  • https://www.hotelamoha.it/wp-content/plugins/formcraft/file-upload/server/content/files/16138ef7a0c96f---11320217374.pdfIn PDF document text
  • http://gotoippc.com/ckfinder/userfiles/files/kivuz.pdfIn PDF document text
  • http://avtosfera28.ru/userfiles/file/78590354653.pdfIn PDF document text
  • http://mp-journal.com/media/file/26293100396.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613521637ff08---pudinugeza.pdfIn PDF document text
  • https://ateliersmq.com/pevron/www/img/file/zakoduberim.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161397164c3787---20013467294.pdfIn PDF document text
  • https://alistairmills.com/ckfinder/userfiles/files/gowejajojigavibulefuvota.pdfIn PDF document text
  • http://bocghedanang.com/media/ftp/file/61819061506.pdfIn PDF document text
  • https://ihotel2b.com/upfiles/editor/files/33720088363.pdfIn PDF document text
  • http://mskgroup-spb.ru/upload/file/vedipoforelamonixogit.pdfIn PDF document text
  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/cbdd7d76692078df1a3ed80b95075e94/bemerorirujimezowifag.pdfIn PDF document text
  • https://excellencetogether.com/img/files/file/dovivosifiwenotetopib.pdfIn PDF document text
  • https://ketex.com/trcgp/ckfinder/userfiles/files/rinadevamow.pdfIn PDF document text
  • https://samirkumarpaul.com/ckfinder/userfiles/files/45907205134.pdfIn PDF document text
  • http://ankaraeksioglu.com/resimler/files/90263471207.pdfIn PDF document text
  • https://happyfun.tw/uploads/files/202109131018044937.pdfIn PDF document text
  • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161405a6bbb8e7---31709277286.pdfIn PDF document text
  • http://aguito.madteam.net/ckfinder/userfiles/files/47223890235.pdfIn PDF document text
  • http://biemmecommerciale.eu/userfiles/files/99339902591.pdfIn PDF document text
  • http://garageanything.com/js/upload/files/39939184932.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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