Malicious PDF — malware analysis report

Heuristics 7

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://eugensa.lt/app/webroot/uploads/userfiles/files/34518166374.pdf In PDF document text

  • http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/sewasavagazopobeliliraki.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16080adca8761b---lepigozos.pdfIn PDF document text
  • https://ises.ca/phpsites/vertical_living/uploads/file/nomufafemi.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/455c053d586f8a667d4128c5f3015575/gizezemapagatosozupilifad.pdfIn PDF document text
  • https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/ce5aaa90e271bf8dd5662ca6c1ed8efe/likixagufeni.pdfIn PDF document text
  • https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/13add5191ea50002dcd86854ff13abb2/jegaroguligeke.pdfIn PDF document text
  • http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/16088c1fe9f89c---duvesefezemidivuj.pdfIn PDF document text
  • https://clumba-indoor.ru/files/files/sazemu.pdfIn PDF document text
  • http://andrelandberg.com/userfiles/file/97248436575.pdfIn PDF document text
  • https://grandhotelbulgaria.com/userfiles/file/77934477907.pdfIn PDF document text
  • https://bisnismedsos.com/userfiles/file/27346918315.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a86de342936---44063917341.pdfIn PDF document text
  • https://impactcleaningserviceskc.com/wp-content/plugins/super-forms/uploads/php/files/e9bd39daa5888c01aa700e7807944058/pazaxarux.pdfIn PDF document text
  • https://mldom.xyz/web/img/podborky/files/nasal.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/0f6c353c98c9615e5905ef6090ff574a/27086574898.pdfIn PDF document text
  • http://jjmcp.jp/userfiles/Image/file/3871891373.pdfIn PDF document text
  • https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/1gb1r5n3hmtd7q06clmchhl9f5/65656810773.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608d2372a50a1---48177528447.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1c028ed80d---8317754366.pdfIn PDF document text
  • http://jshtextile.com/UserFiles/file///tixim.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160a28db86f1ba---mujije.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=the+hunger+games+mockingjay+part+1+freePDF 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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