Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Travel-support phone-number stuffing scam critical SE_TRAVEL_SUPPORT_PHONE_SCAM
  Document repeats phone numbers in airline/travel/refund/support language, often across multiple regional phrasings. This matches SEO/support-scam PDFs that impersonate airlines or travel brands and route users to attacker-controlled call centers rather than a normal travel document.
• 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.
• 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/strik?keyword=schema+electrique+xsara+hdi+90 In PDF document text

  • http://files.danceswithdogsclubqld.org/uploads/1/3/1/3/131380356/7560720.pdfIn PDF document text
  • http://vulub.pleis.us/uploads/1/3/1/4/131438304/guvozamuli_jupamusuzese_puwexudijarew_gozikajarox.pdfIn PDF document text
  • http://files.stewardsfortomorrow.org/uploads/1/3/1/6/131606475/6a15e6.pdfIn PDF document text
  • http://files.legolasgoldens.com/uploads/1/3/1/3/131380308/sirusatuxedara-wuzubu.pdfIn PDF document text
  • http://files.industrysitesonline.com/uploads/1/3/1/6/131606273/zituxot.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000ad82.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000ad82.bin)
  • https://uploads.strikinglycdn.com/files/1b8c182f-4ae3-4ca0-8b6a-1831948228e7/6974329060.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3b607f5a-23d5-45d4-bf0c-d6a1a7a6d4e7/rafogekojobadu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/8663/3377/files/busixefojalisubeboridika.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/9075/8817/files/51076843409.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/84175543-6512-4882-8d8b-7b6d79b086c3/ninozejutog.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/43abdff9-2103-4268-9de1-9afb9b53e66e/71629972022.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9dfae5d1-7c2e-4559-a9e9-fecbce958cfe/dimosodowupasemi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4662938b-32fc-4ffb-b39d-d0316644fead/jimedusuxajogulona.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f7362987-0f68-4e72-be91-d10fce68eb8d/9995007021.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_off0000ad82.bin)

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