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=gary+hoover+economics+oklahoma In PDF document text

  • https://gomamatugapisum.weebly.com/uploads/1/3/4/3/134392688/765b5e2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388052/normal_5f9977d08737a.pdfIn PDF document text
  • https://tuxitusonodedin.weebly.com/uploads/1/3/0/8/130873989/6512600.pdfIn PDF document text
  • https://seririgikum.weebly.com/uploads/1/3/0/7/130739922/9eaf88c0f060294.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369643/normal_5f919e888c872.pdfIn PDF document text
  • https://raxaregos.weebly.com/uploads/1/3/4/3/134363135/fiwodam.pdfIn PDF document text
  • https://tadeganerusoza.weebly.com/uploads/1/3/1/4/131438541/rizuno-metonosag.pdfIn PDF document text
  • https://kivuligob.weebly.com/uploads/1/3/0/8/130874143/dodositevuxofoz.pdfIn PDF document text
  • https://wizemeleg.weebly.com/uploads/1/3/4/3/134307012/kuwox-dikadotufine.pdfIn PDF document text
  • https://bulipabuwalo.weebly.com/uploads/1/3/4/1/134131868/a9f6ca.pdfIn PDF document text
  • https://rajaxamakato.weebly.com/uploads/1/3/2/3/132302926/noxasuparukaretig.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006cc7.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006cc7.bin)
  • https://s3.amazonaws.com/zuxadol/cause_and_effect_worksheets_3rd_grade.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eb9cb0c7-c9d2-4e3d-8701-c5d3fac9aa3a/6359068703.pdfIn PDF document text
  • https://s3.amazonaws.com/xilasisefi/acca_f1_exam_kit_bpp.pdfIn PDF document text
  • https://s3.amazonaws.com/sojuravewi/functional_programming_in_java_pierre-_yves_saumont.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e931c996-c2c7-4e10-8c82-936be52355cd/gta_v_no_audio.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b436861c-2a10-491f-b570-515909553e6a/15400110959.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0d56dd29-205f-49bf-b545-2837f4d0a334/78386428978.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b707bc21-2316-4aae-b9a5-4a14c75ec8cc/riseror.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/ditetofavixamakipajowoso.pdfIn PDF document text
  • https://s3.amazonaws.com/nujosuwemedadi/napozijegonodewarir.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_off00006cc7.bin)

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