Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5d0709e54f1f4e5…

MALICIOUS

PDF

41.7 KB Created: 2020-10-10 19:03:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-28
MD5: c97381d1c75c3342c93f69ea1871ca20 SHA-1: a4ce145bb31b4482d62a48b425642597ae05c9ee SHA-256: c5d0709e54f1f4e535091af0ee66c2c728df5c5b24c2c3ed8657d635c80053f6
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://ggtraff.ru/strik?keyword=balustrada+inox+dedeman In PDF document text
    • https://site-1037222.mozfiles.com/files/1037222/pivelipepirejigaruw.pdfIn PDF document text
    • https://site-1042354.mozfiles.com/files/1042354/kibopejobazukelalamusa.pdfIn PDF document text
    • https://site-1037157.mozfiles.com/files/1037157/wuwosomadezuzosagumaxi.pdfIn PDF document text
    • https://site-1038952.mozfiles.com/files/1038952/10834926752.pdfIn PDF document text
    • https://site-1042630.mozfiles.com/files/1042630/28199281648.pdfIn PDF document text
    • https://site-1042448.mozfiles.com/files/1042448/30465791067.pdfIn PDF document text
    • https://site-1043051.mozfiles.com/files/1043051/43806861675.pdfIn PDF document text
    • https://site-1039720.mozfiles.com/files/1039720/43569689812.pdfIn PDF document text
    • https://site-1043438.mozfiles.com/files/1043438/443879549.pdfIn PDF document text
    • https://site-1043477.mozfiles.com/files/1043477/xamaviti.pdfIn PDF document text
    • https://site-1036735.mozfiles.com/files/1036735/16638448181.pdfIn PDF document text
    • https://site-1037843.mozfiles.com/files/1037843/xigokatuduzafawumoxitu.pdfIn PDF document text
    • https://site-1042095.mozfiles.com/files/1042095/riwejalimadi.pdfIn PDF document text
    • https://site-1037176.mozfiles.com/files/1037176/83316439767.pdfIn PDF document text
    • https://site-1036698.mozfiles.com/files/1036698/58833105332.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
    • 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_off000056db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56DB 4972 bytes
SHA-256: fe7727dbefa7e8b6d8364a94d183234d1a8998eb3546fe6b76e87bc045673f88
font_01_sfnt_off0000679e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x679E 10680 bytes
SHA-256: bd3bded51f3b72ea89df75f8cf504c18d27058aa6f16197e168d37238fda2ddd
font_02_sfnt_off00008a5b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A5B 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176