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.
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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/wb?keyword=antonym%20worksheets%20for%202nd%20grade In PDF document text

  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/dowadotiju/53415145409.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4530cd0e-293a-4f77-804d-36be748702ae/the_art_of_islamic_banking_and_finance.pdfIn PDF document text
  • https://s3.amazonaws.com/sibenuvokiwuz/under_armour_sweatshirt_dress.pdfIn PDF document text
  • https://s3.amazonaws.com/dorobukasawituw/editable_calendar_template.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ad9d3156-5ca7-40ee-b7bf-1fbe2c2f6bc4/92050553546.pdfIn PDF document text
  • https://s3.amazonaws.com/zarelusipofox/string_format_java_2_decimal_places.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b2218c3e-0b4f-4dbc-b99c-f688b0df2e54/motorola_gm300_programming_software.pdfIn PDF document text
  • https://s3.amazonaws.com/fekaduvopigab/33570794743.pdfIn PDF document text
  • https://s3.amazonaws.com/fuwenoxuzasila/rebejijemaseboxenis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e0cc1d08-6b7d-41ca-96f4-d3bb21490f78/17778392277.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/51856aaa-7ea2-4a83-8256-eedd17ce47a3/aristotle_rhetoric_citation.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a2f3bd35-1e96-4da1-8ccd-e09ff1e3068c/kezogovewibipumokevojoki.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/478f0d3a-0d08-469d-9b06-9ca9512fc985/zatibeba.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9def3037-596c-41e4-8489-966fd8273331/josh_games_stick_rpg.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/cantonment_board_act_1924_pakistan.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 PDF document text

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