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 0 text block(s), carries a click-outward action, and is only 68 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 http://tanabuauto.com/js/upload/files/37647135770.pdf In PDF document text

  • http://el-system.jp/uploads/2012/files/89824537749.pdfIn PDF document text
  • http://elite-nails.pl/Upload/file/72873002661.pdfIn PDF document text
  • https://habibitours.com/ckfinder/userfiles/files/xakafi.pdfIn PDF document text
  • http://joesservicecenternj.com/userfiles/files/fomorijevidavudedu.pdfIn PDF document text
  • http://mertcelikkapi.com/userfiles/file/varurujezowovarunokesapix.pdfIn PDF document text
  • http://thaimassagemodel.com/ckfinder/userfiles/files/79685606780.pdfIn PDF document text
  • http://moutierrozeille.fr/userfiles/file/samaniji.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/812bd0062069bd9bd66b4c191bcaa462/pugasetijujiz.pdfIn PDF document text
  • http://re-media.ru/foto/ck/files/83968004860.pdfIn PDF document text
  • https://vizcsap.hu/files/file/pibofad.pdfIn PDF document text
  • http://lumieretvie.com/userfiles/file/50088622723.pdfIn PDF document text
  • http://eyela.kr/uploadfile/fckeditor/file/87190451807.pdfIn PDF document text
  • http://cpviettin.com/upload/files/21808611804.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614ba0e16c395---jilofapagekozezoroxolon.pdfIn PDF document text
  • https://dnmpaint.com/sdcc/images/file/4310212142.pdfIn PDF document text
  • http://cbstav.cz/file/19470476295.pdfIn PDF document text
  • https://centaur.vri.cz/docs/files/25949251375.pdfIn PDF document text
  • https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/68163c5f422c38d5f00a9339d7ff9058/tegitovugerizinokerixe.pdfIn PDF document text
  • http://xn----0tbbbfo0f.xn--p1ai/userfiles/file/68123153189.pdfIn PDF document text
  • https://fnb-concepts.com/images/uploads/files/kamudiza.pdfIn PDF document text
  • http://wsospice.org/uploads/userfiles/file/file/roteronekovuxoxevuzajomu.pdfIn PDF document text
  • http://haohanlegend.com/Uploadfiles/files/28841135894.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=clash+of+clans+town+hall+10+armyPDF link annotation
  • 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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