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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://jopulovi.weebly.com/uploads/1/3/4/2/134265775/ravuwuje.pdf.
• 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://ttraff.link/123?keyword=reliance+manual+transfer+switch In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375203/normal_5f8ed1e8a15d7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371247/normal_5f8fdc64d4ea3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392649/normal_5f91054b9950e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365639/normal_5f8784dfcda87.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387922/normal_5f90a43960960.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390659/normal_5f91120f55be6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370077/normal_5f88055be6e6f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405950/normal_5f9729352a994.pdfIn PDF document text
  • https://jopulovi.weebly.com/uploads/1/3/4/2/134265775/ravuwuje.pdfIn PDF document text
  • https://furureseseruwa.weebly.com/uploads/1/3/4/4/134481841/243692e7b2702.pdfIn PDF document text
  • https://sonuboguf.weebly.com/uploads/1/3/4/3/134310015/6fa811.pdfIn PDF document text
  • https://sisodiwitamusoz.weebly.com/uploads/1/3/2/6/132681746/zidilud_dogitozejawo_vigematerajope_rulovibudojes.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006c09.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006c09.bin)
  • https://uploads.strikinglycdn.com/files/1ce9f0c8-bf9a-43d9-8d83-1bc5202744cc/5294234750.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fecdf396-d5dd-4c16-bebd-c09db09ba458/xawaxetunubobafig.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cdf0b3ba-0ace-4e0d-ae53-26dbf81d5433/90867381729.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1d1484bf-a0f3-4d7f-8a36-1a2136cad840/28751406574.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/java_programming_examples_tutorialspoint.pdfIn PDF document text
  • https://s3.amazonaws.com/tapexiw/corbettmaths_algebraic_proof_answers.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/25129838995.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/de1650b3-6e45-472b-bad2-a61b4a70b2b6/90740003906.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/12ce09d6-ff5f-4863-9743-31ddfde02b8c/angelarium_oracle_of_emanations_card.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5c0ea38d-e289-40ba-ade5-1d2fb3949deb/download_milk_and_honey_by_rupi_kaur.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_off00006c09.bin)

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