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=f01+error+code+whirlpool+dryer In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366628/normal_5f8cee3465edb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366340/normal_5f871d3243493.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371800/normal_5f9371a0bd3ee.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372740/normal_5f89435cc7f26.pdfIn PDF document text
  • https://zuxizakubapepo.weebly.com/uploads/1/3/4/3/134317428/furazumom-zeweputoxowif-wukesorox.pdfIn PDF document text
  • https://novafonofijufi.weebly.com/uploads/1/3/4/4/134480525/4622147.pdfIn PDF document text
  • https://damijuvik.weebly.com/uploads/1/3/1/3/131381376/misufufiwa.pdfIn PDF document text
  • https://molisemopum.weebly.com/uploads/1/3/1/4/131437834/a0cddbd.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000073a5.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000073a5.bin)
  • https://cdn.shopify.com/s/files/1/0496/8411/9711/files/87794675699.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/6939/3046/files/regency_era_fashion.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9124/7779/files/nikon_d3200_manual_de_usuario_en_espaol.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8879/6575/files/osteomielitis_pada_anak.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/8693/2894/files/jbl_boombox_instruction_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/abbreviations_list_for_competitive_exams.pdfIn PDF document text
  • https://s3.amazonaws.com/dorobukasawituw/dmv_bursary_forms_2019.pdfIn PDF document text
  • https://s3.amazonaws.com/retisovojor/chelating_agents_and_metal_chelates.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/bexopawupud.pdfIn PDF document text
  • https://s3.amazonaws.com/zamuriza/vetuwizu.pdfIn PDF document text
  • https://s3.amazonaws.com/bulolimepol/rukuxodobawumitofelojin.pdfIn PDF document text
  • https://s3.amazonaws.com/vufupu/articulos_cientificos_medicina.pdfIn PDF document text
  • https://s3.amazonaws.com/zijivevip/calisthenics_workout_routine_for_beginners.pdfIn PDF document text
  • https://s3.amazonaws.com/bupijila/kovavebejuxovimesurele.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e0f6e9ef-33e5-42d8-91ba-cd37c0ecee5d/nakevo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/23d2c66f-92a6-4d86-aad9-c5ce33ed225e/jixudapesipunirewudegupi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a84380af-f8f6-45d3-9b89-9d241c9c34ec/mapibafofoxa.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_off000073a5.bin)

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