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.link, which is likely used to obscure the final destination. The document body, though heavily obfuscated, contains the keyword 'veterinary+icu+flow+sheet' which matches the parameter in the malicious URL, suggesting a lure. The ML classifier strongly flagged this PDF as malicious, and the presence of a link farm further supports 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.link/wix?keyword=veterinary+icu+flow+sheet
- http://lolub.cherrybloomclothing.co.uk/uploads/1/3/1/6/131636725/dajutav_panesilatuga.pdf
- http://werakunu.otogroup.nz/uploads/1/3/1/6/131637136/9187433.pdf
- http://files.leaderproject.com/uploads/1/3/0/7/130740517/riwamuradovabud-jepusikabo-xagelapavapa.pdf
- http://korozimot.havinetvzw.com/uploads/1/3/0/7/130776078/ea39a17d87f2e63.pdf
- https://static.usrfiles.com/ugd/136d3d_8b08ac35b6c947dba160e15c844643bf.pdf
- https://static.usrfiles.com/ugd/11f207_425b248615fa4243aac66119b24c648b.pdf
- https://static.usrfiles.com/ugd/8aba0c_037910dae7904ffa8138758eb1e42559.pdf
- https://cdn.shopify.com/s/files/1/0429/8250/6647/files/lametamidefun.pdf
- https://cdn.shopify.com/s/files/1/0439/0325/4683/files/code_vein_builds_guide.pdf
- https://cdn.shopify.com/s/files/1/0431/5666/8573/files/luwol.pdf
- https://cdn.shopify.com/s/files/1/0432/9655/5168/files/dugamajiwatigosasuli.pdf
- https://cdn.shopify.com/s/files/1/0434/4817/2710/files/sazut.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_off0000aa25.bin94a83665fdc2f4cf600bdd6bbb9698cb6eb401d7cd4221581c308c982db5e2f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA25 | 5128 bytes |
font_01_sfnt_off0000bbaf.bin8192f11ba002d25623de8ba5e7944dbaef902840c54b6258ff79f85f39ef18fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBAF | 10668 bytes |
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