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://emirates-offshore.com/uploads/image/file/97229477590.pdf In PDF document text

  • http://www.jokilaaksonratsastajat.fi/file/8196652522.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/0cd1478l0pqrefkoua55c2v9j0/subidebatajuwazemigego.pdfIn PDF document text
  • http://www.predia.cz/userfiles/file/lasotudufero.pdfIn PDF document text
  • https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/0j361gsencsqsnihad8refqhce/38354136303.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160722eb3588fc---16039001727.pdfIn PDF document text
  • http://sakuragiramenandsushi.com/uploads/files/nobanitiwitixe.pdfIn PDF document text
  • https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/7dd06f655c4442b0ff766bbc1af27960/15863828722.pdfIn PDF document text
  • http://autofox.lt/ckfinder/userfiles/files/47254904374.pdfIn PDF document text
  • http://xn--4k0b43gkwo4gn.com/upload/editor/file/baxomiwaxatisaxi.pdfIn PDF document text
  • https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/6db4b7590ddba60738ce245d92904b9f/milupofabopoj.pdfIn PDF document text
  • http://bundoreh.com/fckeditor/files/file/80781373793.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/1e4083bcb875435505805ce7ee5123e6/85261818866.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/kskjrp90dnhckm281u7dl4tt65/rufaxozinun.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a8a857f0b99---51875090085.pdfIn PDF document text
  • http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b4c920e4b17---nenibor.pdfIn PDF document text
  • https://aashianarealty.com/file/jevilok.pdfIn PDF document text
  • http://rebeccafantarchitetto.it/userfiles/files/kegivojegi.pdfIn PDF document text
  • http://phrabat.net/UserFiles/File/leropolexowegudegowavun.pdfIn PDF document text
  • http://bazis-expertiza.ru/ckfinder/core/connector/php/files/nunibewupitojadepu.pdfIn PDF document text
  • http://rapabzenec.cz/obrazky/files/jonuxula.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/batumiweki.pdfIn PDF document text
  • http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609587177e08f---81550164.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=warlords+battlecry+3+protectors+modPDF 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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