Malicious PDF — malware analysis report

Static analysis result for SHA-256 1915576fa91c4435…

MALICIOUS

PDF

35.4 KB Created: 2020-11-04 09:05:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-22
MD5: afd02e2c1ea6d2ced7c6ed56b1d87454 SHA-1: d99789e3f0304d07ba7fbaf91c34a2eebfe14afc SHA-256: 1915576fa91c443518fb40b16d459a5cab59c3bac91a288ed814ce3600dc6aa8
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://gettraff.ru/123?keyword=adam+young+golfer In PDF document text
    • https://lulitetuxopibol.weebly.com/uploads/1/3/1/1/131164377/6871591.pdfIn PDF document text
    • https://nobigifawu.weebly.com/uploads/1/3/4/3/134310244/6311832.pdfIn PDF document text
    • https://visajemilami.weebly.com/uploads/1/3/4/2/134265887/7b233b9ea385ae0.pdfIn PDF document text
    • https://xebololu.weebly.com/uploads/1/3/4/3/134340913/220363.pdfIn PDF document text
    • https://lilepixot.weebly.com/uploads/1/3/4/4/134462463/puxumomesixozu.pdfIn PDF document text
    • https://nedudefo.weebly.com/uploads/1/3/4/3/134389218/3329235.pdfIn PDF document text
    • https://rosotomana.weebly.com/uploads/1/3/4/5/134585450/serupew.pdfIn PDF document text
    • https://jexedijelewa.weebly.com/uploads/1/3/4/5/134518212/zatixofa.pdfIn PDF document text
    • https://korodaziso.weebly.com/uploads/1/3/0/7/130740443/9042864.pdfIn PDF document text
    • https://mogidudurunupiz.weebly.com/uploads/1/3/2/6/132695636/kanixisebuzabu-jodabelik-janidiziroxegoj-faxali.pdfIn PDF document text
    • https://mupipuko.weebly.com/uploads/1/3/4/3/134370635/71772.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/9ce4156f-67f1-4b5b-8f23-1b859b2ee824/67708558279.pdfIn PDF document text
    • https://s3.amazonaws.com/juliziwojatige/kidopakowog.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/18f2291c-7de2-432b-bc51-dcc8df3394f2/34815475702.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004df2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4DF2 5140 bytes
SHA-256: 14e662aa99f1d9b0656d9666999f2195309e9cfedcd63c7febf766d5f751facb
font_01_sfnt_off00005f69.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F69 9944 bytes
SHA-256: 5ebd68db617b8a16841b9d1d9d2d97584116e2968d66f9630174c4d1ab137dbb

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