MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a link to a known malicious redirector, disguised as a SWOT analysis worksheet. The ML classifier strongly indicates maliciousness. The primary malicious URL is https://ttraff.club/wix?keyword=swot+analysis+worksheet+hcs+499, which is presented within the document body. The PDF also hosts a large number of links to external PDFs, many of which point to static.usrfiles.com, likely for SEO manipulation or to host further malicious content.
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.club/wix?keyword=swot+analysis+worksheet+hcs+499
- https://static.usrfiles.com/ugd/b8c837_eeb3b2e7382c4d3a8e6af164e73f8587.pdf
- https://static.usrfiles.com/ugd/a31856_7777808ae29a4a9cb53adc0e4d778d87.pdf
- https://static.usrfiles.com/ugd/b8c837_e545cd6d120641878d735a97ba28563c.pdf
- https://static.usrfiles.com/ugd/4bb894_90ae40b8342447caa2ea5445106211c2.pdf
- https://static.usrfiles.com/ugd/b8c837_bbc5d4d42aef426d9b0325a200230972.pdf
- https://static.usrfiles.com/ugd/defcb2_2849c48aeaff43f9ae18ef9bf044fc7d.pdf
- https://static.usrfiles.com/ugd/b8c837_50710b7d4b1d4648b38b2446f56aa861.pdf
- https://static.usrfiles.com/ugd/b8c837_dc7aa24064ba448a99e040353308ca38.pdf
- https://static.usrfiles.com/ugd/b98abb_2ada36c7d8be4ab2b063b495587420ce.pdf
- https://static.usrfiles.com/ugd/8127dd_8fd4457fccda4129956a3ffc47971bf6.pdf
- https://static.usrfiles.com/ugd/33ab24_16368ee742f946eea7e372334455332b.pdf
- https://static.usrfiles.com/ugd/409ca8_6a92c96b550240f68e7900dae057060b.pdf
- https://static.usrfiles.com/ugd/b8c837_05e8dd3f692e42dd9d7b98aabf6b5b1c.pdf
- https://static.usrfiles.com/ugd/b8c837_6e0f6f997bcb4a4ba617ecf9cb4b2ecc.pdf
- https://static.usrfiles.com/ugd/b8c837_0059d019dd9447f2a0ece78b553d13f6.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_off000074e5.binb77a0e6d84b770a12bb7aa36beee17b448eba4a7c0079941a4fcf0a45c3f4add |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74E5 | 5492 bytes |
font_01_sfnt_off0000879f.bin4b174c5daaa870e34fcb417ed47f3521401882c93386d70e57d566111a115620 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x879F | 12108 bytes |
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