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://gettraff.ru/wb?keyword=chamsys%20mq60%20manual In PDF document text

  • https://tibiwurab.weebly.com/uploads/1/3/2/6/132695994/jinigalezelon_jisawogolavugu_sopuruzikupux_todileju.pdfIn PDF document text
  • https://bizetuxerupa.weebly.com/uploads/1/3/0/8/130873791/3677621.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386594/normal_5f9283bd64e3a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370062/normal_5f954027b4db1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366360/normal_5f9515aa548c1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404755/normal_5f95e657d4018.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365582/normal_5f8c49f253df7.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004ef3.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004ef3.bin)
  • https://uploads.strikinglycdn.com/files/b99d0849-badc-4f37-993f-e36bbeb467e1/how_to_root_samsung_galaxy_ace_duos.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2ab418ba-cf98-454c-ac1d-08eacdc397a0/new_big_dragon_games.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c5077c4-46f1-402e-97f2-062745aafc60/wadekelomarezujagi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/3438/0968/files/memozumirekawa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/2410/5115/files/ammyy_admin_download_for_android.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b88137b8-8914-4964-857d-4b2fccfa3842/94344708132.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fd48404d-4a0e-410c-b7ec-a5efcc3859d1/lgica_epistmica_concepto.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/09685317-8d2a-4c01-98b8-8781c9b84ef4/49382360351.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/50ff2504-ea23-43dc-ad63-297541622bf5/wijavivimafa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4c02b4d8-c02d-4ec0-ad1b-b336b5bb6ff4/tirujuwokunad.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_off00004ef3.bin)

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