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, which is designed to lure users to potentially harmful websites. The document body, though heavily obfuscated, contains the URL 'https://ttraff.club/wix?keyword=credible+sources+of+health+information', suggesting a social engineering pretext related to health information. The presence of numerous other PDF links further indicates a link farm strategy, likely to obscure the malicious destination. The ML classifier strongly flagged this PDF as malicious.
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=credible+sources+of+health+information
- https://static.usrfiles.com/ugd/b8c837_c6162e7ae99f4d2786f0eabd5d9605a5.pdf
- https://static.usrfiles.com/ugd/07e02c_c9f939014bbc413d8109534d050dcc9f.pdf
- https://static.usrfiles.com/ugd/b8c837_3a7e1e6740884eac8f9165b3e521ea21.pdf
- https://static.usrfiles.com/ugd/41a0b6_26363d9f33b94922be2a47a2d9cc95c0.pdf
- https://static.usrfiles.com/ugd/b8c837_54b90e902b8b4aa9ade104185c577f00.pdf
- https://cdn.shopify.com/s/files/1/0437/7162/5634/files/zalenogax.pdf
- https://cdn.shopify.com/s/files/1/0430/6698/2561/files/regojibixakunokajakomo.pdf
- https://static.usrfiles.com/ugd/b8c837_c558f0fe94124d7e8cb83514f51fbdba.pdf
- https://static.usrfiles.com/ugd/5ecadc_f6eadd0cc4144d678c6364887c59db52.pdf
- https://cdn.shopify.com/s/files/1/0434/4902/4679/files/21970374870.pdf
- https://cdn.shopify.com/s/files/1/0429/8162/1919/files/jevepafekuzozujixa.pdf
- https://cdn.shopify.com/s/files/1/0464/7511/6694/files/cellnex_telecom_annual_report_2015.pdf
- https://cdn.shopify.com/s/files/1/0430/9748/9572/files/kubisesobonetofesonaxi.pdf
- https://cdn.shopify.com/s/files/1/0433/1044/8795/files/furatut.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_off000070d2.bin9c1d7bdb8286dc944da5f61f26f922ecd10652d9b90324c1f429fc3e46ffcfc4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70D2 | 5304 bytes |
font_01_sfnt_off000082ab.bin68a9e60e6ebef177c6b196891c434aee386348ddff5d1c4ac8904ec7301f6407 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82AB | 10384 bytes |
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