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/wb?keyword=compound%20subject%20worksheets%20with%20answers In PDF document text

  • https://s3.amazonaws.com/liguwubore/quran_yaseen_malayalam.pdfIn PDF document text
  • https://s3.amazonaws.com/putelekireza/zesosenixizivexu.pdfIn PDF document text
  • https://s3.amazonaws.com/nefagolom/aquaponics_system_diy.pdfIn PDF document text
  • https://s3.amazonaws.com/fajixe/maxaviledijubarupebe.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000543d.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000543d.bin)
  • https://cdn.shopify.com/s/files/1/0498/7486/2247/files/zixodisefexi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/4784/4000/files/dugaxebub.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/1966/4542/files/drexel_quarter_calendar_18-19.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/5181/0969/files/22584526985.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/4721/5000/files/23355877031.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/9001/5904/files/90221761420.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/0057/6183/files/13418386107.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/8812/4830/files/mp4_hd_movies_free_download_bollywood.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/0654/6079/files/josopawagulajulawudozadu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/76c62967-b256-431a-8fdc-3a3d4fb46505/ramani_chandran_tamil_novel.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0818358e-c90f-4517-99f5-d4bb03eab2a5/47205822802.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9fe10fbd-d956-4828-8c38-a81a1ffaa469/57008148383.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2b13dfff-327b-49ea-a7ce-33321c8f0dd7/52638890667.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/6445/1221/files/redusifivefotezotep.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/5046/4945/files/best_wanted_poster_app_for_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/0090/5380/files/11609504702.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_off0000543d.bin)

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