MALICIOUS
154
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.cc, which is designed to lead users to further malicious content. The document body, though heavily obfuscated, contains this URL and other embedded URLs, suggesting a lure to external resources. The ML classifier strongly flagged this PDF as malicious, supporting 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.cc/pify?keyword=elastic+collision+formula+pdf
- http://files.studyaimusa.org/uploads/1/3/0/8/130874477/vitupuje.pdf
- http://files.aileenfletcher.com/uploads/1/3/0/7/130776611/kaliferivozi.pdf
- http://files.sbjc.org.uk/uploads/1/3/1/3/131381850/xuwobobix_nozofoli.pdf
- https://cdn.shopify.com/s/files/1/0437/5727/3237/files/pedijibojesa.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/5081520916.pdf
- https://cdn.shopify.com/s/files/1/0440/6345/7432/files/63047278858.pdf
- https://cdn.shopify.com/s/files/1/0434/8208/7588/files/61795851115.pdf
- https://cdn.shopify.com/s/files/1/0432/6948/8798/files/detegagilapizibinil.pdf
- https://cdn.shopify.com/s/files/1/0428/3914/6662/files/jemaxagarenatigevoweku.pdf
- https://cdn.shopify.com/s/files/1/0439/0577/7832/files/ballade_pour_adeline_partition.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gopag.pdf
- https://cdn.shopify.com/s/files/1/0433/0523/8688/files/xa_trang_file_online.pdf
- https://cdn.shopify.com/s/files/1/0431/6345/1560/files/digopav.pdf
- https://cdn.shopify.com/s/files/1/0438/6576/8096/files/napezupadibe.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000577b.binb6ecfd5a9cb344fa5d87ab3c969240e8abd02eb78ee3c0338ee8325b4d5fa703 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x577B | 5256 bytes |
font_01_sfnt_off0000693a.bindb67192997e6c2f0fabdfdf5e9eb59b48a001a6e103c4b2217bd1bc771350dcd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x693A | 10076 bytes |
font_02_sfnt_off00008ba5.binccd0ea095085b9379100d4de0d13d045157d8501f46cd3db2ef5c00475687e02 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8BA5 | 16088 bytes |
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