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 designed to lead users to further malicious content. The PDF also hosts a large number of external links, many pointing to Shopify, suggesting a link farm or content distribution strategy. The ML classifier strongly flagged this PDF as malicious, reinforcing the assessment of a malicious redirector attack pattern.
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=list+of+common+uncountable+nouns+pdf
- http://files.hrbi.online/uploads/1/3/0/7/130739835/8d26add29.pdf
- http://muwip.houstonpolopost.com/uploads/1/3/2/6/132695471/6177103.pdf
- http://files.doubledatepacking.com/uploads/1/3/1/4/131483128/bexutonuwamilutata.pdf
- https://cdn.shopify.com/s/files/1/0430/1779/7785/files/demojobibosofebibaz.pdf
- https://cdn.shopify.com/s/files/1/0430/1111/3123/files/92135769171.pdf
- https://cdn.shopify.com/s/files/1/0431/8006/4936/files/tijoxozudim.pdf
- https://cdn.shopify.com/s/files/1/0428/5664/4774/files/accidentes_laborales_en_chile_2020.pdf
- https://cdn.shopify.com/s/files/1/0432/0083/9842/files/83963962689.pdf
- https://cdn.shopify.com/s/files/1/0431/3192/8740/files/71716973283.pdf
- https://cdn.shopify.com/s/files/1/0427/6482/8838/files/sepogo.pdf
- https://cdn.shopify.com/s/files/1/0431/4251/2802/files/19288986090.pdf
- https://cdn.shopify.com/s/files/1/0440/5228/3542/files/trastornos_alimentarios_en_los_adolescentes.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bifivejeg.pdf
- https://cdn.shopify.com/s/files/1/0429/7159/4911/files/2482013675.pdf
- https://cdn.shopify.com/s/files/1/0430/3486/9921/files/zibaran.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_off000069a6.bin46139f359df63ff69e69710c3862ec3511de8b7818c889e7685ebee7562b8659 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69A6 | 5284 bytes |
font_01_sfnt_off00007b86.bin1dde1b799af03c3a091c5977e018cf087a4ddad3dca66458a26678f1fa8466f2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B86 | 10308 bytes |
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