Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• Fake encrypted/secure-document view lure high SE_ENCRYPTED_DOC_LURE
  Document claims to be an encrypted or protected file that must be opened through a 'secure view' link, and the action link uses deceptive infrastructure. This is the secure-document credential-phishing carrier: the page imitates a secure-mail / document-cloud gate while the link leads to a harvesting site. action link to abused redirector.
• 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://cctraff.ru/strik?utm_term=ccna+security+210-260+pdf+dumps In PDF document text

  • https://ludolukek.weebly.com/uploads/1/3/4/6/134699908/dejutajavav-merofotosizudus-deluxexixuxe-sonizekakudate.pdfIn PDF document text
  • https://s3.amazonaws.com/rimepusox/monazi.pdfIn PDF document text
  • https://s3.amazonaws.com/fefurorobumi/video_game_companies_austin_tx.pdfIn PDF document text
  • https://s3.amazonaws.com/wexukufedepim/noun_phrases_worksheet_for_class_4.pdfIn PDF document text
  • https://s3.amazonaws.com/bolovopizonuki/17493692208.pdfIn PDF document text
  • https://s3.amazonaws.com/tosasugokod/cpo_science_life_science_textbook_answers.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366973/normal_5f8b037c2361a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413696/normal_5fb38d6247216.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000caea.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000caea.bin)
  • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf57a09b1ed03538d225cf/1606375329396/jekofixowa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ea15109b-f7e3-412b-a6d9-f013ff82743e/sadanirig.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc77ea6161f8068bececdc0/t/5fca7a59e26a2d4a4321bfbc/1607105115459/sedovesivokegidemidadu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e83d7e62-2fc6-4a4d-ba3a-a7089eb0ee0d/41920492510.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_off0000caea.bin)

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