Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbefb69be3ccf0e0…

MALICIOUS

PDF

39.6 KB Created: 2020-09-28 15:34:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cf2f8133350cecc8d33b83b00a1a7c6d SHA-1: 22b77871ba731f680596c536a9b5fe1534a519c4 SHA-256: fbefb69be3ccf0e0ba76db92ca988605a3794b37bb9d613073d9c2011ae05779
184 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was identified as malicious by an ML classifier and contains numerous links to external PDF files, indicating a link farm or SEO manipulation tactic. One of the embedded links, 'https://ttraff.link/pify?keyword=long+fingerless+gloves+australia', points to known malicious redirector infrastructure, suggesting a potential phishing or malware distribution vector. The document's content appears to be obfuscated or corrupted, but the presence of multiple links and the malicious redirector strongly suggest a harmful intent.

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/pify?keyword=long+fingerless+gloves+australia In PDF document text
    • http://files.jhamrick.com/uploads/1/3/1/6/131607321/5307036.pdfIn PDF document text
    • http://tidux.mammothnest.com/uploads/1/3/1/4/131407921/2a82199.pdfIn PDF document text
    • http://files.complaintagainstprimera.com/uploads/1/3/1/6/131637054/8450891.pdfIn PDF document text
    • http://files.explorestanton.com/uploads/1/3/1/4/131453216/6741733.pdfIn PDF document text
    • http://juduj.teresahiggins.com/uploads/1/3/1/1/131164131/nubona.pdfIn PDF document text
    • http://laxamije.fonpape.com/uploads/1/3/1/3/131384605/toniviranisale_kipaguvoduti_zidudejelivuvav_zopuxagiwovali.pdfIn PDF document text
    • http://wotedeked.jessicabullick.com/uploads/1/3/0/8/130814328/3951966.pdfIn PDF document text
    • http://files.athertonymca.org/uploads/1/3/1/4/131483184/bezabo.pdfIn PDF document text
    • https://site-1037035.mozfiles.com/files/1037035/vepuminibade.pdfIn PDF document text
    • https://site-1036923.mozfiles.com/files/1036923/vekamuwukerezewi.pdfIn PDF document text
    • https://site-1036745.mozfiles.com/files/1036745/josipevetavorepekawava.pdfIn PDF document text
    • https://site-1037266.mozfiles.com/files/1037266/86125822778.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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

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_off00005c57.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C57 4936 bytes
SHA-256: 0a31afbeb8c15e699e4f12e383aa35a504dd07f12c35345885f6b79eb46b6177
font_01_sfnt_off00006d42.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D42 10772 bytes
SHA-256: 65bef1e434fe2114c6d6dd93ed09bc391837f0e20c6fbd502c17304110d6849a

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