Malicious PDF — malware analysis report

Static analysis result for SHA-256 e934f069befd4f08…

MALICIOUS

PDF

33.2 KB Created: 2020-08-15 00:40:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1d59e25d0f8263b6f61601c1d1c6baa4 SHA-1: 01dafeb34ff9c1bb6da1f331d8f727a10155a985 SHA-256: e934f069befd4f08f676f6e555439b00730b84dcfb91ceb2bcbb4ff720cafbe3
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by a machine learning model and contains a critical heuristic indicating it links to known malicious redirector infrastructure. Additionally, it exhibits characteristics of a PDF SEO link farm, embedding numerous external links. The primary malicious URL identified is 'https://ttraff.ru/pify?keyword=no+greater+love+hezekiah+walker+sheet+music', which likely serves as a gateway to further malicious content. The document body itself is heavily obfuscated and contains embedded URLs, further supporting the malicious 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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.ru/pify?keyword=no+greater+love+hezekiah+walker+sheet+music In PDF document text
    • http://nematupu.josefinapain.com/uploads/1/3/1/3/131379290/1066860.pdfIn PDF document text
    • http://wuvidav.meaganedgar.com/uploads/1/3/1/0/131070036/fd05304bfbcc81b.pdfIn PDF document text
    • http://muxad.lynbelisle.com/uploads/1/3/2/7/132740541/zigunuravi_verutul_kasor.pdfIn PDF document text
    • http://mapofop.wallaceave.com/uploads/1/3/0/9/130969264/eb92f75f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3642/5883/files/dareruzepit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5820/0725/files/12487025809.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3300/2145/files/biwegusiw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6412/1752/files/41002000187.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1712/6567/files/87013934503.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6720/9893/files/jubasaledif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7940/1634/files/kopewemubox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7505/1415/files/32544661436.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

Related samples 2

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_off000044eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x44EB 5448 bytes
SHA-256: ca4bb25c2d4ef4a21ee0c4b03f6fbbdeef78aabb00823366991063816feffe01
font_01_sfnt_off00005775.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5775 9596 bytes
SHA-256: 97dc9ebe771bf6cdf493dbe97aee359dc60795982ea8e8fc6db685ea19ccdab7

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