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://ttraff.me/123?keyword=girl+bending+over In PDF document text

  • https://zavegaligap.weebly.com/uploads/1/3/4/4/134499553/movisib.pdfIn PDF document text
  • https://damijuvik.weebly.com/uploads/1/3/1/3/131381376/843e560d01.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367019/normal_5f88843f53f86.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414689/normal_5f976d0c48b5a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426697/normal_5f97e73ecce5d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384046/normal_5f8dbe86048f4.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00009c4f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00009c4f.bin)
  • https://uploads.strikinglycdn.com/files/fddfaf33-c0e7-4b9a-b534-31bc5ea93928/genetic_mutation_pogil_answer_key.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0720c9ba-aca1-4009-a2c7-d8785cdac245/23107035131.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/40732467-fc33-4dbd-9a54-73f2421f8b6c/93067449552.pdfIn PDF document text
  • https://s3.amazonaws.com/vuraradaso/62259733339.pdfIn PDF document text
  • https://s3.amazonaws.com/sajatesawodiji/microwave_antenna_basics.pdfIn PDF document text
  • https://s3.amazonaws.com/jedaxopopuko/rrb_je_previous_year_question_paper_book.pdfIn PDF document text
  • https://s3.amazonaws.com/gupawupigawono/buxabejekinegobopuvun.pdfIn PDF document text
  • https://s3.amazonaws.com/jarawaxanivu/auguries_of_innocence_patti_smith.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://dejavu.sourceforge.netIn extracted file (stream_005_off0000d0e3.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_005_off0000d0e3.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off00009c4f.bin)

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