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.
• Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
  Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
• Fake encrypted/secure-document view lure high SE_ENCRYPTED_DOC_LURE
  Document claims to be an encrypted or protected file that must be opened through a 'secure view' link, and the action link uses deceptive infrastructure. This is the secure-document credential-phishing carrier: the page imitates a secure-mail / document-cloud gate while the link leads to a harvesting site. action link to abused redirector.
• 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.
• 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=android+studio+debug+keystore+alias In PDF document text

  • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/1109957.pdfIn PDF document text
  • https://velizixevapejaj.weebly.com/uploads/1/3/4/3/134376636/3bf00cfff40.pdfIn PDF document text
  • https://dupizonax.weebly.com/uploads/1/3/1/3/131380343/6214005.pdfIn PDF document text
  • https://dixozetazexode.weebly.com/uploads/1/3/4/4/134472526/a16ba321d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378831/normal_5f8cef9eb4f33.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402740/normal_5f92d1fadf16a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378605/normal_5f8dc2724b34f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402504/normal_5f9255936d3fe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380230/normal_5f8cec2a214a4.pdfIn PDF document text
  • https://dajapofijakaf.weebly.com/uploads/1/3/4/2/134266914/pezazim-nubisef-jakiz-bejurakopoxive.pdfIn PDF document text
  • https://puliwavigajog.weebly.com/uploads/1/3/4/4/134469254/pokeki.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000b0be.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000b0be.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000e859.bin)
  • https://uploads.strikinglycdn.com/files/d8074604-0c64-4e13-a6c3-fe35152e1bba/vikonefilaga.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/95c929e3-5a6a-4bee-b5a0-6cef3da47126/31376408721.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a207737d-ee4a-4b66-8b9b-220389ed47cf/foreign_to_familiar.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f2e486a2-98e5-463b-8bce-23a8f680e9af/dodojafekitebodoxofitik.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/213ce524-5dfb-494f-a7e1-1500ab0eab3d/33142353966.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e36ff5e9-65e0-4431-b793-2eaf75e0af0e/92881041954.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1e6e8a75-7c65-4757-8f38-7745d32fb513/81373841650.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/98f40b0b-3f15-446e-8c42-5e77889f61e8/58651285235.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f3bd31e3-6b1d-49c1-b488-202abb1f50b2/medicina_gratis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4bc3ae62-7050-43b3-9dbd-d41c59436506/89939737559.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/94c8eb27-2140-4f01-887a-9ca57383186b/50974569383.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_off0000b0be.bin)

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