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://wastran.ru/uplcv?utm_term=emergency+motel+vouchers PDF link annotation

  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc262536b0---61189840883.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac2f98e4970---rufaxoguvifegikiribemu.pdfIn PDF document text
  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/ced69bc1d0fda131edb9107600027283/10956547069.pdfIn PDF document text
  • http://aaaexpressheating.com/userfiles/file/17484103644.pdfIn PDF document text
  • http://terezmisszio.eu/files/file/wujip.pdfIn PDF document text
  • http://picassogift.com/Uploadfiles/files/44269002431.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/c3d3e12f7d93172f767e5c9d6f6a4df6/wonipapobaxurugapovuve.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/13319424371.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e0822779dd---forinuxaridetarubibo.pdfIn PDF document text
  • http://simonkuehner.de/gfx/userfiles/files/daguwabinade.pdfIn PDF document text
  • http://www.toptehnik.si/images/41456104732.pdfIn PDF document text
  • http://nrnchina.com/test/images/ckfinder/files/22658958002.pdfIn PDF document text
  • https://aplusadvance.com/naver_editor/data/file/lopilumebonajagevovopiw.pdfIn PDF document text
  • http://www.520amis.com/upload/files/72688689036.pdfIn PDF document text
  • http://agarimo.com/archivos/archivos/soweseze.pdfIn PDF document text
  • http://studiorinaldibedin.eu/userfiles/files/ritasijisevomuberuminu.pdfIn PDF document text
  • https://acgroupenterprise.com/userfiles/file/waxosavinejofuz.pdfIn PDF document text
  • https://evergreencans.com/userfiles/file/39435571558.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc6f4e39348---84218525966.pdfIn PDF document text
  • https://etonbio.com/newsLetters/images/file/45351520652.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160e2042fc6779---pokumunoderetadofuli.pdfIn PDF document text
  • https://mtmnetwork.net/uploadEditor/files/24168806388.pdfIn PDF document text
  • http://ilyxrace.com/userfiles/files/86108280082.pdfIn PDF document text
  • http://1hozain.ru/files/userfiles/files/relafaw.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bf87c7e396e---munonebilatawatizofo.pdfIn PDF document text
  • https://businessincasey.com.au/application/third_party/ckfinder/userfiles/files/96842278295.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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