MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by a machine learning classifier and contains a significant number of embedded links. One critical heuristic identified a link to a known malicious redirector, traff.ru, which is likely used to obscure the final destination of the attack. Another heuristic indicates a PDF link farm, suggesting a large number of outbound links designed to lead users to malicious content. The document body contains garbled text and 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=lathem+atomic+time+clock%2528+1600e+manual
- http://bumilo.mytls.org/uploads/1/3/0/7/130776644/nobubitu.pdf
- http://files.itshumannature.org/uploads/1/3/2/7/132712093/8555664.pdf
- https://cdn.shopify.com/s/files/1/0430/5960/9753/files/63162892934.pdf
- https://cdn.shopify.com/s/files/1/0433/9829/9813/files/maine_pyaar_kiya_songs._com.pdf
- https://cdn.shopify.com/s/files/1/0437/4151/1834/files/40037345219.pdf
- https://cdn.shopify.com/s/files/1/0440/6883/1382/files/pesinifepiwazidetaw.pdf
- https://cdn.shopify.com/s/files/1/0428/9003/5366/files/58639172288.pdf
- https://cdn.shopify.com/s/files/1/0432/6667/0745/files/gefafopodedoji.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pidepuwavulosetanujerepub.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/29318048561.pdf
- https://cdn.shopify.com/s/files/1/0438/3522/8317/files/49587884363.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_off00004b7c.binef840eca475cd3afc239f99e52a18f00f19adcd4cfec4a877758cb24bb6baa04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B7C | 5196 bytes |
font_01_sfnt_off00005d22.bin715856ddd3665aae3dc01378935332ece5e288f7c214bd45481dd5a4ac65a55c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D22 | 10376 bytes |
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