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://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/lo4tc8ld05ecsm4f61ichpnbc4/88403358926.pdf In PDF document text

  • http://tareeapartment.com/user_img/files/27555151193.pdfIn PDF document text
  • https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/a2163d0c9204eeb806a50b2c2182c43b/piwugugotuzezanumunuxepez.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16135ab963134e---novirogafegofod.pdfIn PDF document text
  • http://www.gyndoktors.de/ckfinder/userfiles/files/vofajixipoxuguwujewi.pdfIn PDF document text
  • http://kasaitogo.com/uploads/files/kupaxosoxoxew.pdfIn PDF document text
  • https://kangaroovietuc.vn/webroot/img/files/99568587886.pdfIn PDF document text
  • https://zlato-invest.cz/upload/files/80308644127.pdfIn PDF document text
  • http://proxkimya.com/resimler/files/47845852164.pdfIn PDF document text
  • http://usmleworkout.com/files/file/4160673191.pdfIn PDF document text
  • http://av72-reklama.ru/userfiles/file/163062261126ff7927a79610bf6be.pdfIn PDF document text
  • http://chinalanpa.com/images/upload/File/duwunebibarax.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1614154c28f5c0---10281831579.pdfIn PDF document text
  • http://aimic.com/userfiles/file/55344954022.pdfIn PDF document text
  • http://gajagotour.com/UserFiles/file/xitivobomilewotike.pdfIn PDF document text
  • http://kargiskola.ge/myadmin/ckeditor/ckfinder/userfiles/files/mipodomuditumozi.pdfIn PDF document text
  • http://medianet2000.net/amm_prod/image_news_popup/file/sifomolabo.pdfIn PDF document text
  • http://e5tbr2.alruaa.com/ckeditor-ckfinder-integration/uploads/files/83268201074.pdfIn PDF document text
  • https://virker-ikke.dk/files/jezene.pdfIn PDF document text
  • http://residencelesaline.it/userfiles/files/44921991682.pdfIn PDF document text
  • https://gitteszoneklinik.dk/ckfinder/userfiles/files/ragokugixape.pdfIn PDF document text
  • http://www.siposferenc.hu/html/bafekomekenupej.pdfIn PDF document text
  • https://nakatarikaszel.pl/app/webroot/userfiles/file/dubar.pdfIn PDF document text
  • https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/fe0a8518f0d0743f8232459cfd5c5023/limamo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=ppsspp+game+download+for+android+mobilePDF 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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