MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that triggered the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. This suggests the document's primary purpose is to redirect users to malicious infrastructure, likely for further exploitation or credential harvesting.
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=equipos+de+proteccion+personal+pdf
- https://static.usrfiles.com/ugd/b8c837_5271f685e4c645d1990d647885469eec.pdf
- https://static.usrfiles.com/ugd/daca0d_7eb5334a690c46b6b017300ca4b1c017.pdf
- https://static.usrfiles.com/ugd/b8c837_af6b54b025fe416da52ec83a393ae1ad.pdf
- https://cdn.shopify.com/s/files/1/0431/3448/4648/files/warranty_certificate.pdf
- https://cdn.shopify.com/s/files/1/0440/0565/4678/files/59922745540.pdf
- https://cdn.shopify.com/s/files/1/0447/9890/2438/files/93622494064.pdf
- https://cdn.shopify.com/s/files/1/0431/5689/7947/files/8342866141.pdf
- https://static.usrfiles.com/ugd/c5d40f_406eb813281744bb8a7b2cbe54861f40.pdf
- https://static.usrfiles.com/ugd/b8c837_c9a46efa61334b1a8f11765b61ed0241.pdf
- https://static.usrfiles.com/ugd/b8c837_6d928d30a28b4f8c87529791b03cfff4.pdf
- https://cdn.shopify.com/s/files/1/0432/3606/5438/files/treatment_guideline_for_hepatitis_c.pdf
- https://cdn.shopify.com/s/files/1/0431/3061/8020/files/notification_android_firebase.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006ad3.binf27500ca25897a1987e25bd8b7cdcb8915743ca18f7a66504dbfd51885c2644e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AD3 | 5232 bytes |
font_01_sfnt_off00007c9f.binc8cb303e765c67f43d6d34f29c1d02953890772ff7b697be779fb29335000f72 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C9F | 6640 bytes |
font_02_sfnt_off00008e3e.bin5df9c9e5b27351be5dfbb020e8ed98f0153b37f69552acf52f954c107256a366 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E3E | 10864 bytes |
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