MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains embedded links, one of which, https://ttraff.ru/wix?keyword=kettlebell+exercises+pdf, is flagged as a malicious redirector. The document body, though heavily corrupted, appears to be a lure related to 'kettlebell exercises pdf'. The presence of numerous external PDF links, many pointing to benign content, suggests a link farm or SEO poisoning tactic to mask the malicious redirector. No scripts were extracted, and the primary malicious activity observed is the redirection to a known malicious URL.
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.ru/wix?keyword=kettlebell+exercises+pdf
- https://static.usrfiles.com/ugd/e2c6c1_015b83cbd753419d9c09a0be9d276ac8.pdf
- https://static.usrfiles.com/ugd/b8c837_46682a80216343feb2759780646ef187.pdf
- https://static.usrfiles.com/ugd/b8c837_3812a23079d74b67bbe662700c4bc0bd.pdf
- https://cdn.shopify.com/s/files/1/0428/4992/7327/files/emerald_tablets_of_thoth_download.pdf
- https://cdn.shopify.com/s/files/1/0434/1887/8104/files/san_expedito_quien_es.pdf
- https://cdn.shopify.com/s/files/1/0439/4418/1928/files/confused_anime_guy_meme_template.pdf
- https://cdn.shopify.com/s/files/1/0440/6598/0581/files/72913955172.pdf
- https://cdn.shopify.com/s/files/1/0434/3706/4354/files/xinigawozesobut.pdf
- https://cdn.shopify.com/s/files/1/0430/7720/6165/files/grasshopper_mower_manual.pdf
- https://static.usrfiles.com/ugd/b8c837_986d6d3f0bde48f389dc74c1d2969c71.pdf
- https://static.usrfiles.com/ugd/b8c837_685f752c2e35491fab12d5c193624096.pdf
- https://static.usrfiles.com/ugd/b8c837_f20c8a843dca4c0fb47fb30996a38280.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_off00005c52.bin6175991e613d469943039a0f4e4fef4d9e7345656576d502129dfbceec60f334 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C52 | 5116 bytes |
font_01_sfnt_off00006dcc.binaf66cbd171eda865b729e3f84766dd7689d73ff3b3e5ea954a56a378fa3b77e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DCC | 10008 bytes |
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