MALICIOUS
152
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 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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
- http://nematupu.josefinapain.com/uploads/1/3/1/3/131379290/1066860.pdf
- http://wuvidav.meaganedgar.com/uploads/1/3/1/0/131070036/fd05304bfbcc81b.pdf
- http://muxad.lynbelisle.com/uploads/1/3/2/7/132740541/zigunuravi_verutul_kasor.pdf
- http://mapofop.wallaceave.com/uploads/1/3/0/9/130969264/eb92f75f.pdf
- https://cdn.shopify.com/s/files/1/0432/3642/5883/files/dareruzepit.pdf
- https://cdn.shopify.com/s/files/1/0430/5820/0725/files/12487025809.pdf
- https://cdn.shopify.com/s/files/1/0430/3300/2145/files/biwegusiw.pdf
- https://cdn.shopify.com/s/files/1/0437/6412/1752/files/41002000187.pdf
- https://cdn.shopify.com/s/files/1/0428/1712/6567/files/87013934503.pdf
- https://cdn.shopify.com/s/files/1/0438/6720/9893/files/jubasaledif.pdf
- https://cdn.shopify.com/s/files/1/0430/7940/1634/files/kopewemubox.pdf
- https://cdn.shopify.com/s/files/1/0431/7505/1415/files/32544661436.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000044eb.binca4bb25c2d4ef4a21ee0c4b03f6fbbdeef78aabb00823366991063816feffe01 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x44EB | 5448 bytes |
font_01_sfnt_off00005775.bin97dc9ebe771bf6cdf493dbe97aee359dc60795982ea8e8fc6db685ea19ccdab7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5775 | 9596 bytes |
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