MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector infrastructure at 'ttraff.ru'. The document body, though partially corrupted, includes the same URL, suggesting a lure to external content. The ML classifier strongly flagged this PDF as malicious, and the presence of a link farm further supports a malicious intent to redirect users.
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=advantages+of+autocratic+leadership+pdf
- http://files.bartschcchs.com/uploads/1/3/1/4/131453539/4800083.pdf
- http://files.joshualively.com/uploads/1/3/1/4/131437457/5496950.pdf
- http://files.dedamaschool.com/uploads/1/3/1/4/131407625/wazumidepaninidev.pdf
- http://files.tkpaintsandquarterhorses.com/uploads/1/3/1/4/131453022/sotekukol.pdf
- https://cdn.shopify.com/s/files/1/0432/9966/8121/files/21250323080.pdf
- https://cdn.shopify.com/s/files/1/0429/8565/2375/files/38865423678.pdf
- https://cdn.shopify.com/s/files/1/0432/0536/1821/files/kavafokubu.pdf
- https://cdn.shopify.com/s/files/1/0430/2195/9325/files/chemistry_of_high_energy_materials.pdf
- https://cdn.shopify.com/s/files/1/0430/8631/5682/files/tibagabuwutor.pdf
- https://cdn.shopify.com/s/files/1/0439/4047/9144/files/deledenunaxidujara.pdf
- https://cdn.shopify.com/s/files/1/0428/9921/0407/files/82535905520.pdf
- https://cdn.shopify.com/s/files/1/0435/3844/8548/files/lonenoxu.pdf
- https://cdn.shopify.com/s/files/1/0428/5490/8071/files/dapasesuwotasawofizo.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_off0000643d.binc3c681f9688c8a1516423d47b69df11e9f58ada6a1e6ba5ace37770dd8d06950 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x643D | 5464 bytes |
font_01_sfnt_off000076de.bin290da23f58864611f80cb3016737be79f6f4c4f986009e6e9682763d129c9327 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76DE | 9812 bytes |
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