Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa8576d0a3e4f3b6…

MALICIOUS

PDF

48.5 KB Created: 2020-10-13 21:54:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-06
MD5: 107a5a00b9d05c9df0b2df2b7380d466 SHA-1: 1f3d6e8bda51e8d3c3ce845fd63d484834a71002 SHA-256: aa8576d0a3e4f3b696be0a7b7e862a8e66200bf1205996ed08cd8586b0cab5a3
124 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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 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://cctraff.ru/strik?keyword=lineage+2+android+requirements In PDF document text
    • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/4867245.pdfIn PDF document text
    • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/ef82e0d.pdfIn PDF document text
    • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/vovofofaverun_sawivurovoj_nifawubazox.pdfIn PDF document text
    • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/9051060.pdfIn PDF document text
    • https://site-1036926.mozfiles.com/files/1036926/zarafanijururigurele.pdfIn PDF document text
    • https://site-1038830.mozfiles.com/files/1038830/josijofaridonu.pdfIn PDF document text
    • https://site-1040099.mozfiles.com/files/1040099/tazepurukijasexufofiw.pdfIn PDF document text
    • https://site-1037191.mozfiles.com/files/1037191/famexabo.pdfIn PDF document text
    • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/1441493.pdfIn PDF document text
    • https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/9594994.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/7036e403-1a70-48e7-be94-986dd5bd1ca7/6445595672.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b51939b0-21c8-4564-af2f-d1dd69c0f349/kapotobitiwamajiwuk.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3f2ca049-467b-4f02-a7b6-296dc24be1ad/wadozoxafap.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0888d9b4-58cb-4c67-9ad3-2f8d528733f8/10183377551.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3a20672e-8a62-4ee8-9614-04480b7c5496/lumigawemogowazerunotod.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_off0000719e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x719E 3656 bytes
SHA-256: a2c52838d04ca3b4c35e5fff08b8afc4b125c4d7a8a0ff9dbbe3b4335d672e66
font_01_sfnt_off00007ea8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7EA8 5312 bytes
SHA-256: ef243af8e7bb553cf80929840e3ec62fc13d512cc69e3925deb98650d40b971a
font_02_sfnt_off00009098.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9098 10580 bytes
SHA-256: a531bfb49e48fc04d5ec00e51100bdee9cf1024ecfc44e68b66def907bcefd94

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