Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://yafferge.ru/strik?utm_term=reloj+pulsera+casio+g-shock%252F+ga-100cm-5adr In PDF document text

  • https://static.s123-cdn-static.com/uploads/4382405/normal_6000b6729fb0c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4460457/normal_5fdc6d06428b8.pdfIn PDF document text
  • https://cdn.sqhk.co/wemitupu/hcvjhPC/92918569577.pdfIn PDF document text
  • http://vaxuzorokolate.iblogger.org/aai_milan_ki_raat_full_movie.pdfIn PDF document text
  • http://varietystore.website/madtv_season_2_torrentd9wg1.pdfIn PDF document text
  • https://cdn.sqhk.co/lopumilekana/9jevsTi/qr_code_scanner_app_iphone_kostenlos.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4495684/normal_5ff210a59b7ee.pdfIn PDF document text
  • https://cdn.sqhk.co/jagapifa/170b5Mu/40203920791.pdfIn PDF document text
  • http://kfcrabota.ru/9961864172olbc2.pdfIn PDF document text
  • https://bemetapijulew.weebly.com/uploads/1/3/1/4/131437656/f933698a0085.pdfIn PDF document text
  • http://muwazowezijowa.22web.org/html5_tags_cheat_sheet.pdfIn PDF document text
  • https://cdn.sqhk.co/puwidebudojo/YjcoBjb/42390263691.pdfIn PDF document text
  • http://begetus11ppz.xyz/shimano_di2_charger_user_manual7gb5c.pdfIn PDF document text
  • https://cdn.sqhk.co/kekelivig/9FZhdBS/sushi_cat_2_cool_math_games.pdfIn PDF document text
  • https://jezelide.weebly.com/uploads/1/3/0/8/130874318/konag.pdfIn PDF document text
  • https://cdn.sqhk.co/zudoputasafe/qchhhgT/sozonubujumiduzaxasa.pdfIn PDF document text
  • https://tigoxugijiwubaz.weebly.com/uploads/1/3/4/3/134315710/b6445dfba82.pdfIn PDF document text
  • https://cdn.sqhk.co/fusajovogi/hjoDpjj/21105917689.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • http://romuwoturifitam.epizy.com/16336968365.pdfIn PDF document text
  • http://vizumun.rf.gd/zoguwejulik.pdfIn PDF document text
  • http://zuniguvip.epizy.com/fx-_991es_plus_calculator_manual.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 PDF document text

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