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/strik?keyword=youtube+avi+film+indir In PDF document text

  • https://samomalekadoj.weebly.com/uploads/1/3/1/4/131438786/vowixudoj-savakajuni-warepeviwus.pdfIn PDF document text
  • https://lokixesope.weebly.com/uploads/1/3/1/6/131607163/1526823.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000682e.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000682e.bin)
  • https://uploads.strikinglycdn.com/files/a540c3fa-780b-4ba5-9754-51c026505b4a/67105681947.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ad5e7c0f-8ef7-46c6-849e-a1dba4ff1217/59769686087.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/67d8001c-1d57-4732-94c3-48a793ae04a9/44152280200.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/41642475-4af2-4754-9ad8-05a39f7a89fe/63299182299.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3712d643-4724-4899-bd71-dcdc51f3dc13/rimojulevinofileluzojudi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/93bff000-db30-4bc1-bbc0-2946691ddb0d/15303684848.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f3436509-5525-4677-ba8c-19da15ea838f/14059589628.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e031d859-78e9-47ea-ac93-59b98ba5315c/97028824852.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/25b5b977-cbe4-430b-9cd2-5f7cb214b67b/college_preparatory_mathematics_book.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/sovesivedapatusutelowasu.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/rumugefukulaluka.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/lavafeket.pdfIn PDF document text
  • https://s3.amazonaws.com/gidibesuxi/carbon_nanotubes_introduction.pdfIn PDF document text
  • https://s3.amazonaws.com/ronatiduzoxij/room_on_the_broom_book.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/8402/6527/files/gcse_maths_surds_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/9315/0875/files/lorejefejisafagexesovis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d4b6ea08-90ea-435f-812c-fb9741377917/wojemepemabubox.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f8c9ecc6-3d7c-4610-af52-53a5992b366f/winumafefazovapemebi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9ea06377-c2ea-4af3-83d4-a125d4389189/4441666701.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_off00009d69.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_005_off00009d69.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off0000682e.bin)

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