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.
• 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.
• Travel-support phone-number stuffing scam high 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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.cc/123?keyword=workmate+425+owners+manual In PDF document text

  • https://cdn-cms.f-static.net/uploads/4388174/normal_5f9d5c698e17c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380881/normal_5f8ce73f6f591.pdfIn PDF document text
  • https://s3.amazonaws.com/fikuvine/role_of_no_oxygen_in_cellular_respiration.pdfIn PDF document text
  • https://s3.amazonaws.com/paropabaru/leaked_psn_codes_2019.pdfIn PDF document text
  • https://s3.amazonaws.com/rimadefule/22442144206.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375095/normal_5f8cfc625518a.pdfIn PDF document text
  • https://xeludelibiw.weebly.com/uploads/1/3/4/3/134371965/4214974.pdfIn PDF document text
  • https://puvujoda.weebly.com/uploads/1/3/4/3/134326666/799437.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374359/normal_5f9c72e22117b.pdfIn PDF document text
  • https://riwuwodanujebu.weebly.com/uploads/1/3/4/2/134234990/fesovemekuni_vituvomepujuni_fadejulefiwasa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366359/normal_5f9fbb62e47f6.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000084db.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000084db.bin)
  • https://uploads.strikinglycdn.com/files/b40a3699-bc5d-4e8a-b72f-762c196e95fe/facebook_brute_force_ultimate_indir.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_off000084db.bin)

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