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, indicating an attempt to lead the user to a harmful site. The document body, though partially corrupted, includes the same malicious URL and references a mathematical topic, likely as a lure. The ML classifier strongly flagged this PDF as malicious. No scripts were extracted, but the presence of a malicious URL is sufficient evidence for this assessment.
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/wix?keyword=area+of+a+cilinder
- https://static.usrfiles.com/ugd/cc089a_ebd435dbde34419e9548109c8e4ba23f.pdf
- https://static.usrfiles.com/ugd/b8c837_855ca7ec8356434e95e65ac1894efbc8.pdf
- https://static.usrfiles.com/ugd/c7a620_b3090a11d0ac4c0482eb58d6adbc1130.pdf
- https://static.usrfiles.com/ugd/b8c837_92f61fd7709348829d26cdb77bbda20c.pdf
- https://cdn.shopify.com/s/files/1/0433/5176/9256/files/vegot.pdf
- https://cdn.shopify.com/s/files/1/0462/4400/3989/files/20357532417.pdf
- https://cdn.shopify.com/s/files/1/0434/6350/8121/files/polurakut.pdf
- https://cdn.shopify.com/s/files/1/0434/1045/6730/files/discord_webhook_post.pdf
- https://cdn.shopify.com/s/files/1/0436/6660/4182/files/ramovepimo.pdf
- https://cdn.shopify.com/s/files/1/0429/5789/7882/files/narujegas.pdf
- https://cdn.shopify.com/s/files/1/0440/9946/9464/files/sanetekelupid.pdf
- https://cdn.shopify.com/s/files/1/0433/9531/7911/files/94431650993.pdf
- https://cdn.shopify.com/s/files/1/0435/2232/6680/files/protection_of_domestic_violence_act_2020.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_off000057cd.binbed3b0b8ba3c1b222616ca29bf8821480712ad130ef332707034ce8e17d6352d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57CD | 4828 bytes |
font_01_sfnt_off00006841.binb889a1830dca0ce784cb6645f8e691d4f7b4ced1755582acbe10281d05320961 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6841 | 10328 bytes |
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