MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.ru, which is likely intended to lead the user to a phishing or malware distribution site. The document body, though heavily obfuscated, contains the URL and appears to be a lure related to the 'Anzus treaty'. The ML classifier also strongly indicated maliciousness. The presence of numerous links to external PDFs, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to increase visibility.
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=anzus+treaty+pdf
- http://files.vacationcarefun.com/uploads/1/3/1/0/131070030/8731600.pdf
- http://samexel.teresawriter.com/uploads/1/3/1/4/131407164/3d8473d84.pdf
- http://dewixuj.savitzsmith.com/uploads/1/3/0/7/130738799/3c9764f578b.pdf
- https://cdn.shopify.com/s/files/1/0431/7950/7880/files/pixopi.pdf
- https://cdn.shopify.com/s/files/1/0438/5823/1461/files/mesose.pdf
- https://cdn.shopify.com/s/files/1/0436/0696/6429/files/nupogixawilug.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/12729031526.pdf
- https://cdn.shopify.com/s/files/1/0435/1285/6731/files/throw_exception_in_java.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bodadajigewodozisidezufe.pdf
- https://cdn.shopify.com/s/files/1/0429/6962/8828/files/61500239074.pdf
- https://cdn.shopify.com/s/files/1/0436/2112/2208/files/6654994888.pdf
- https://cdn.shopify.com/s/files/1/0436/6653/8649/files/xanarutewidefipitoguj.pdf
- https://cdn.shopify.com/s/files/1/0430/9732/5732/files/rakikejojekax.pdf
- https://cdn.shopify.com/s/files/1/0432/9334/3899/files/22614638038.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_off0000bc2f.binedbcf372c1315d82e8cd7a548e188578ef3c41d212840a7b9080e206c40a17a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC2F | 5144 bytes |
font_01_sfnt_off0000cdd5.bin47b6a9038d94f90a3c3dd32571db299bd7f4f7557e96038918760318574d8efc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDD5 | 10248 bytes |
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