Malicious PDF — malware analysis report

Heuristics 6

• 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 CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
  Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
• 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://gettraff.ru/strik?keyword=real+credit+card+generator+2020 In PDF document text

  • https://site-1037843.mozfiles.com/files/1037843/rufaxosa.pdfIn PDF document text
  • https://site-1038478.mozfiles.com/files/1038478/70517994395.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000757b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000757b.bin)
  • https://uploads.strikinglycdn.com/files/ef131040-3364-4b36-a60a-ca1dd6d2cf8e/44715242028.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c82fee44-544b-4fbc-a93a-9054ab57c068/24330103314.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/47c8cd56-4fef-416c-b1d0-5272a8947b9a/577935682.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a2579e4d-7a61-45a8-bccd-99c6858366e3/jurig.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c9998c9c-d44e-4d1c-a6b4-aa9383b50a27/biridozodewetam.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/9275/3049/files/mazenax.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/3241/4874/files/73032165695.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/4143/2487/files/10873687782.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/0144/6554/files/bug_on_a_wire_download_for_pc.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/8545/8325/files/tukitexorokananuke.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0127/3750/files/31296472981.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0459/7687/9271/files/41740023300.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/6738/7303/files/translating_word_equations_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/0704/9877/files/81464848412.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_off0000757b.bin)

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