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://ggtraff.ru/strik?keyword=star+wars+complete+vehicles+pdf In PDF document text

  • http://gonug.stjosephhewlett.org/uploads/1/3/2/6/132695543/45ae525805a62.pdfIn PDF document text
  • http://files.southheights.net/uploads/1/3/0/7/130740464/teneditewej_zilumufudami_tiwowexekepaf_poxed.pdfIn PDF document text
  • http://files.luhkiaunni.com/uploads/1/3/0/7/130775808/nivuwikuge-kamuluvilivuj-zabapomabaz-kedowu.pdfIn PDF document text
  • http://files.faithfirstministries.org/uploads/1/3/1/6/131606146/1921922.pdfIn PDF document text
  • https://site-1040144.mozfiles.com/files/1040144/29619995828.pdfIn PDF document text
  • https://site-1039173.mozfiles.com/files/1039173/65606765730.pdfIn PDF document text
  • https://site-1037906.mozfiles.com/files/1037906/81878626896.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008824.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008824.bin)
  • https://cdn.shopify.com/s/files/1/0484/2851/5496/files/water_balloon_filler_pump.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5280/0929/files/tuan_cuu_nhat_kinh_duc_me_hon_xac_len_troi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/0931/3438/files/phantasy_star_portable_2_best_weapons.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/7732/1379/files/19648969525.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/7543/1317/files/chapter_2_chemistry_of_life_answers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3fbdf639-5769-415a-9385-0d5190eafeff/moselozabeba.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/73de8caa-bcfa-47ec-a4a2-3931a70de169/69644729433.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ea590371-41f0-483f-aac6-a7e8813fbceb/53417920323.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dd59fae2-347c-41d5-9b81-810183bff687/27427947838.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_off00008824.bin)

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