Malicious PDF — malware analysis report

Static analysis result for SHA-256 624821064bd9d621…

MALICIOUS

PDF

45.4 KB Created: 2020-10-02 15:58:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-28
MD5: 0b68ae2dc943b31a3de5f7f704bdb5d2 SHA-1: 760b0a2e9a9e17a2ddcc6a839edc7e6ba68e0cd2 SHA-256: 624821064bd9d62196c15b3eb9a13e931b25e97e3cecf43368c5d697c5decb6f
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/strik?keyword=download+map+minecraft+1.5+2+city In PDF document text
    • https://site-1037103.mozfiles.com/files/1037103/degim.pdfIn PDF document text
    • https://site-1036920.mozfiles.com/files/1036920/zozipi.pdfIn PDF document text
    • https://site-1038358.mozfiles.com/files/1038358/88616808760.pdfIn PDF document text
    • https://site-1037274.mozfiles.com/files/1037274/40752658663.pdfIn PDF document text
    • https://site-1037005.mozfiles.com/files/1037005/77551621712.pdfIn PDF document text
    • http://fotajazo.shoplblb.com/uploads/1/3/0/9/130969633/suzazegaso.pdfIn PDF document text
    • http://files.outergraceboutique.com/uploads/1/3/1/0/131070611/tovebe-kigalosopevopuf-pakato-togitavupifazi.pdfIn PDF document text
    • http://files.wormfoodforthough.net/uploads/1/3/0/9/130969243/e9c22e71c4f8.pdfIn PDF document text
    • http://files.dandelionridgefarmky.com/uploads/1/3/0/8/130874489/xetudabew-ritup.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000071e8.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000071e8.bin)
    • https://uploads.strikinglycdn.com/files/e8b15f48-2aab-4143-94dd-0189c4465cfa/tokamiritulexe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f6078f12-79f5-4228-a7b0-b84b1798f05a/tisofizulagidogoru.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/955a0596-d474-480f-b1cc-8c86dae1e4fb/20357274387.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/57e75ea3-ea15-4af9-8f4c-3695b57e909d/mokux.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/31d945dc-e71b-4436-ba39-ccbe25ad5eab/lusifokatekazilo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ec3e0459-9807-4d55-aa85-d67d2a3efaa9/56591031072.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0a65f982-2cb0-4614-b35b-0e55816384a1/pirosexaroraxep.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b3d8d013-2489-4191-93e4-489437a43a6a/13326883527.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_off000071e8.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000071e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71E8 5656 bytes
SHA-256: e587e29bad3d18ba8a7ef1e0ab0861f114a68e3e27319f26c6bc5260df611f60
font_01_sfnt_off00008543.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8543 10292 bytes
SHA-256: 3dde589ba1fa63e4b22c8f6909faf9a1fdd3ebb5c8ad15bacc3e6cf4776e5983

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