Malicious PDF — malware analysis report

Static analysis result for SHA-256 191ca7e5d1f1bf64…

MALICIOUS

PDF

46.7 KB Created: 2020-10-22 00:46:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-22
MD5: a7906a573b5f4ffd19de001c72fcd7a5 SHA-1: dd15c1abbaa21a63dfbe5660d4bfe57fe0338232 SHA-256: 191ca7e5d1f1bf64d9c60240a61394a96de8e9acb3e41a5bd5ee3643568eb9d4
184 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • 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=budismo+moderno+volumen+2+pdf In PDF document text
    • https://melegejisud.weebly.com/uploads/1/3/1/3/131379421/348b2dcc9078.pdfIn PDF document text
    • https://mupibidegupek.weebly.com/uploads/1/3/0/8/130874042/jenefemafawal.pdfIn PDF document text
    • https://pepisukuwen.weebly.com/uploads/1/3/1/6/131606293/8090319.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366662/normal_5f874f9d5f49c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4390071/normal_5f906c6e43f36.pdfIn PDF document text
    • https://tipefejiri.weebly.com/uploads/1/3/0/9/130969755/2911433.pdfIn PDF document text
    • https://vopevejefed.weebly.com/uploads/1/3/1/6/131606133/5595580.pdfIn PDF document text
    • https://zinikedefi.weebly.com/uploads/1/3/0/7/130740178/3827253.pdfIn PDF document text
    • https://temazojirilezin.weebly.com/uploads/1/3/2/3/132302863/jedejetimase.pdfIn PDF document text
    • https://pudukodup.weebly.com/uploads/1/3/1/4/131407572/biratamisovogi.pdfIn PDF document text
    • https://jonipafatanepa.weebly.com/uploads/1/3/2/7/132741476/xaxup.pdfIn PDF document text
    • https://dosaremuxabibi.weebly.com/uploads/1/3/0/7/130739916/xijorexegozarowes.pdfIn PDF document text
    • https://jakemujilofadam.weebly.com/uploads/1/3/1/3/131380171/28988affc123d.pdfIn PDF document text
    • https://fidurelofomus.weebly.com/uploads/1/3/0/7/130740547/5623975.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
    • https://uploads.strikinglycdn.com/files/5285e207-1408-47b6-a939-fdca8f52a296/36518997388.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2dd3c026-861f-4386-82dc-9fb9378086ae/denareru.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/65c1ff15-4471-45f9-9cee-fd6aadbda603/94768424576.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/947277e9-c1d2-4f98-b469-e93b66751301/hemmle_recital_hall.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e6ef4a7f-58a9-4b44-8230-110990ed34a5/36958485488.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/29b9eb98-4d2a-44ef-be24-f9c69066229f/23540858471.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006a2c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A2C 5020 bytes
SHA-256: ffcb35f9854758c17b60bbc6cc8169344f491a0b47b46ee808080e33642a07d3
font_01_sfnt_off00007b1c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B1C 10640 bytes
SHA-256: 8e794347bb6c9b4cd2626cbb3054ed0fb77e2c42cada79ff8515fa4f93d29045
font_02_sfnt_off00009d91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9D91 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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