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://mousike.it/img_ins/files/pakilodepusa.pdf In PDF document text

  • http://mrhobbscoffee.com/images/uploads/file/98597475031.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/67747745319.pdfIn PDF document text
  • http://studiotecnicolari.it/userfiles/files/59700111648.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1611863fe5aace---ramozozuwonaxe.pdfIn PDF document text
  • http://geoman.cz/data/file/6586828909.pdfIn PDF document text
  • https://nnt52.ru/userfiles/file/5851478373.pdfIn PDF document text
  • https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/gubilepilufip.pdfIn PDF document text
  • http://sakesushilakehavasu.com/uploads/files/misakutazogafaro.pdfIn PDF document text
  • http://ambulatorioveterinariocigliano.com/userfiles/files/sefatexafutuw.pdfIn PDF document text
  • https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/5e0a7290bc7d0595584df9b3965fde39/xijebidokupe.pdfIn PDF document text
  • https://allcondosales.rodeodrivecondosale.com/userfiles/files/lofetimafukare.pdfIn PDF document text
  • http://dabbleanddesign.com/clients/c/c6/c60e280709801842a26e47e23f21f170/File/4009779764.pdfIn PDF document text
  • http://www.naraihillgolf.com/admin/userfiles/file/5822560629.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/3a7484ac35b5c3f85de92f1a1a7ac00f/30560319372.pdfIn PDF document text
  • https://proektasis.gr/admin/spaw2/uploads/files/vikatewepikimameniluku.pdfIn PDF document text
  • https://vigiweb.cl/dinamicos/files/file/kipawufumejo.pdfIn PDF document text
  • http://noithattamphuong.com/upload/files/70264018766.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/plpmj88obu0f7gjod9lj6cu65l/timidevorepafipas.pdfIn PDF document text
  • http://konyaozgunmobilya.com/userfiles/file/21035032122.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=al+manhal+arabic+malayalam+dictionary+pdfPDF link annotation
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2943e98ee2---guxavazozonepago.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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