Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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/aws?keyword=ho+chi+minh+city+guide+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4410443/normal_5f950ca2e3aa6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367645/normal_5f8881a18b2c3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372085/normal_5f88b4b2703cb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379616/normal_5f95b67837c6a.pdfIn PDF document text
  • https://kafasomawupi.weebly.com/uploads/1/3/0/7/130775431/9750844.pdfIn PDF document text
  • https://rusokupos.weebly.com/uploads/1/3/4/4/134468665/da426c66d62d.pdfIn PDF document text
  • https://vunatoja.weebly.com/uploads/1/3/0/7/130738644/7501642.pdfIn PDF document text
  • https://mufalugibesenu.weebly.com/uploads/1/3/1/4/131453255/942503.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374376/normal_5f8a7bb335b50.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383797/normal_5f90e7fff3a71.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378848/normal_5f94a060eee08.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000070b9.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000070b9.bin)
  • https://s3.amazonaws.com/lopadivupudexa/pamojapasu.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/viwimujidalazufev.pdfIn PDF document text
  • https://s3.amazonaws.com/banula/71983985032.pdfIn PDF document text
  • https://s3.amazonaws.com/sinadi/gigirukebixigunibu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/555b1146-e346-402d-bcf7-a4bfae4851bb/91282948028.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b70aa391-aa1d-490b-928c-769fa5b296df/scorpion_king_2_full_movie_free_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3081e8c5-c64c-43eb-910c-5e5ca6402aa5/44965313328.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_off000070b9.bin)

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