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://ttraff.ru/123?keyword=tracebust+-+fake+caller+id+apk+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4384645/normal_5f8cfc7736aec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375209/normal_5f89dedb74799.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375908/normal_5f8cfe72f27c5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378381/normal_5f8a5344b8486.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366359/normal_5f8968e0ecf3e.pdfIn PDF document text
  • https://vopevejefed.weebly.com/uploads/1/3/1/6/131606133/daxipinepejul_pesev_wefovi_bexawobawu.pdfIn PDF document text
  • https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/97c518016dfbf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370073/normal_5f8875ce9282e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375908/normal_5f8a8d89a3a09.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000064ec.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000064ec.bin)
  • https://cdn.shopify.com/s/files/1/0484/4686/5576/files/67869477161.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/1690/4104/files/89869203723.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0491/9135/4534/files/samsung_tv_remote_pro_apk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2bbabc0f-958d-40fd-91d1-da41bcb68d09/26944912845.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4828a39b-ffcc-455a-8771-2475068099db/68792547316.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a1cd8db3-894a-452a-877f-ac5f5be4de77/nadololuxe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/8304/5293/files/i_am_paul_walker_tv_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/2912/6550/files/raspberry_weight_loss_tablets_free_trial.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/6153/7689/files/ramcharitmanas_sunderkand_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/8282/4862/files/population_density_worksheet_6th_grade.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_off000064ec.bin)

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