Malicious PDF — malware analysis report

Heuristics 6

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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/pify?keyword=payoneer+android+app+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367964/normal_5f89f96ae3a32.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368758/normal_5f88f3cd76106.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368474/normal_5f93a97803321.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366388/normal_5f89e53366a03.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369152/normal_5f88da825b362.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369191/normal_5f92f56fab5af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366034/normal_5f870ac7c32ea.pdfIn PDF document text
  • https://wanezetisozol.weebly.com/uploads/1/3/4/4/134468493/08c262bb.pdfIn PDF document text
  • https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/0f4f5156c4ed.pdfIn PDF document text
  • https://redunexodozik.weebly.com/uploads/1/3/0/8/130814050/valiwadelel.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008414.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008414.bin)
  • https://cdn.shopify.com/s/files/1/0497/3533/6090/files/89179916024.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/4083/1155/files/dropbox_android_storage_location.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/4703/3752/files/td_assurance_auto_contact.pdfIn PDF document text
  • https://s3.amazonaws.com/lokijuronig/leonardo_da_vinci_walter_isaacson.pdfIn PDF document text
  • https://s3.amazonaws.com/fatisake/blouse_cutting_method_with_measurements_in_telugu.pdfIn PDF document text
  • https://s3.amazonaws.com/lixuduwonifa/11270576794.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/kepulekavakuvozar.pdfIn PDF document text
  • https://s3.amazonaws.com/fuwawibu/plants_encyclopedia_with_pictures.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/zegamo.pdfIn PDF document text
  • https://s3.amazonaws.com/dorulusof/marriage_biodata_format_in_marathi_download.pdfIn PDF document text
  • https://s3.amazonaws.com/wujapu/aldrich_handbook_of_fine_chemicals.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/japamebokepu.pdfIn PDF document text
  • https://s3.amazonaws.com/damerirazib/al-_quran_bangla.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_off00008414.bin)
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn extracted file (font_01_sfnt_off0000951e.bin)
  • http://www.gnu.org/copyleft/gpl.htmRegularIn extracted file (font_01_sfnt_off0000951e.bin)

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