Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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 https://trafffe.ru/123?utm_term=how+to+find+acceleration+due+to+gravity+using+slope PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4368238/normal_5fb42c4297703.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4447273/normal_5fb037802e0a7.pdfIn PDF document text
  • https://rikidunojig.weebly.com/uploads/1/3/4/4/134488605/vumer_livorerefegoro_toruge_susanip.pdfIn PDF document text
  • https://tanutalavisa.weebly.com/uploads/1/3/4/0/134000413/197c4078d9f8.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000d38a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000d38a.bin)
  • https://s3.amazonaws.com/jamokaroxoj/baldassare_castiglione_book_of_the_courtier.pdfIn PDF document text
  • https://s3.amazonaws.com/rurovikejigibu/suntuf_corrugated_polycarbonate_sheet.pdfIn PDF document text
  • https://s3.amazonaws.com/jadudusujuje/alloys_pogil_answers.pdfIn PDF document text
  • https://s3.amazonaws.com/zibenoroduzuw/bakkhali_weather_report.pdfIn PDF document text
  • https://s3.amazonaws.com/zuses/posulonetilu.pdfIn PDF document text
  • https://s3.amazonaws.com/voxazedisula/aashiqui_2_dialogue_video_pagalworld.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/ragazikodilonidabo.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://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off0000d38a.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off00010fd0.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off00010fd0.bin)

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