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 that point to a known malicious redirector, specifically `https://ttraff.link/wix?keyword=odometer+reset+apk`. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to trick the user into clicking it. The presence of a large number of external PDF links, many hosted on `static.usrfiles.com`, indicates a link farm strategy, likely to improve search engine ranking for malicious lures. 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.link/wix?keyword=odometer+reset+apk
- https://static.usrfiles.com/ugd/b8c837_d8e06fc5fe7142e8833420b4b276a4ec.pdf
- https://static.usrfiles.com/ugd/112488_00200073d1d44a628953d55b6347f5f8.pdf
- https://static.usrfiles.com/ugd/60ffa2_97bf1b8773254818a068fd4229d31b98.pdf
- https://cdn.shopify.com/s/files/1/0430/6835/8807/files/entrevista_psicologica_ejemplo_escrito.pdf
- https://cdn.shopify.com/s/files/1/0428/9187/0375/files/frameset_html_code.pdf
- https://cdn.shopify.com/s/files/1/0441/2011/3304/files/jirutef.pdf
- https://cdn.shopify.com/s/files/1/0432/6542/5563/files/zizixomo.pdf
- https://cdn.shopify.com/s/files/1/0433/7070/9142/files/gefedipikivora.pdf
- https://static.usrfiles.com/ugd/f3ecbe_bc58c0177a3d423bae7581daeb2d13b3.pdf
- https://static.usrfiles.com/ugd/f967ac_de901f0b8f8746c9918583c60e685807.pdf
- https://static.usrfiles.com/ugd/b8c837_a7766977706946cdbdfdda9685ee254a.pdf
- https://static.usrfiles.com/ugd/162fe6_eae0809bfcfa4626884339e8f28407a0.pdf
- https://static.usrfiles.com/ugd/dd6616_8565f0ccc0df4c33ac1968fd5a7d3356.pdf
- https://static.usrfiles.com/ugd/440e29_b3e3bb2b011d46778657c4496c01067e.pdf
- https://static.usrfiles.com/ugd/b4a829_1a57ead5669a40b1a06aedb66ff2e47d.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_off00006355.binde87f4acd66be893dda29931a04fe3e939149ec7ab9ae37bc8045e61302288c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6355 | 5164 bytes |
font_01_sfnt_off000074c7.bin1a154e66dc040b6d77cd93febcf99dcb2826cf5b80f16e85bf6ae6016132a566 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74C7 | 15604 bytes |
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