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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://crophysi.ru/strik?utm_term=civ+vi+gathering+storm+best+new+civs In PDF document text

  • http://lasiwefomibew.sportsontheweb.net/60149945222.pdfIn PDF document text
  • https://wowavimisaken.weebly.com/uploads/1/3/0/8/130814021/pawusutukejenubi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384819/normal_602db39399576.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4450044/normal_5ffa15ca1b039.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4453560/normal_5fd6814a7d42f.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4425256/normal_5fd0471fee95c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4469370/normal_603722275be33.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4490132/normal_6014056d198a3.pdfIn PDF document text
  • https://pananufizusa.weebly.com/uploads/1/3/4/4/134445813/18907.pdfIn PDF document text
  • http://xenakasewexibal.sportsontheweb.net/auditorium_standard_dimensions.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4393890/normal_5fefa025df999.pdfIn PDF document text
  • https://fuwowomazusora.weebly.com/uploads/1/3/4/0/134000162/7528563.pdfIn PDF document text
  • http://rafupofamurawaf.mygamesonline.org/saxon_algebra_2_online_textbook.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4420915/normal_5fce338c52fe9.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/fulosobezur/adverb_form_von_angry.pdfIn PDF document text
  • https://s3.amazonaws.com/betefowubevat/where_is_the_starter_solenoid_on_a_2004_f150.pdfIn PDF document text
  • https://s3.amazonaws.com/bifamomove/zilebezogofifafemo.pdfIn PDF document text
  • https://s3.amazonaws.com/gawabog/how_to_make_a_great_science_fiction_book.pdfIn PDF document text
  • https://s3.amazonaws.com/gadumagabusodel/bhartacha_ghatnakar_zala_maza_bhimraya_ringtone.pdfIn PDF document text
  • https://s3.amazonaws.com/mizeteb/what_is_an_example_of_a_symbol_in_romeo_and_juliet_act_3.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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