MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, with one specifically pointing to a known malicious redirector at 'https://ttraff.ru/wix?keyword=ls+19+startet+nicht'. The document body, though heavily obfuscated, contains text related to a technical issue ('Ls 19 startet nicht') and includes this malicious URL. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the malicious nature of the redirector. The PDF_SEO_LINK_FARM heuristic indicates a large number of links, likely for SEO manipulation or to obscure the malicious destination.
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=ls+19+startet+nicht
- https://cdn.shopify.com/s/files/1/0429/9027/2675/files/13960874932.pdf
- https://cdn.shopify.com/s/files/1/0427/4061/3286/files/17642396402.pdf
- https://cdn.shopify.com/s/files/1/0432/9281/9616/files/audio_from_facebook_link.pdf
- https://cdn.shopify.com/s/files/1/0437/3394/2426/files/xijelunibisijonaniv.pdf
- https://cdn.shopify.com/s/files/1/0431/1249/7305/files/proceso_de_certificacion_de_calidad.pdf
- https://cdn.shopify.com/s/files/1/0436/7240/4118/files/gufujaxodi.pdf
- https://static.usrfiles.com/ugd/accd1f_cacf2ef71f8c4e82b0ca06256468ef62.pdf
- https://static.usrfiles.com/ugd/e2c6c1_729bf8b2285e423c96aff1f49e460ca1.pdf
- https://static.usrfiles.com/ugd/d9d1f5_41a1b635f4b6400bbd31e373e069b68c.pdf
- https://static.usrfiles.com/ugd/b8c837_2221e226f0e647fa94630d322fa78eca.pdf
- https://static.usrfiles.com/ugd/b8c837_3e01101c276c4def90c95f0ac247a265.pdf
- https://static.usrfiles.com/ugd/b8c837_795a27cc9831486e84d660e9bb962dff.pdf
- https://static.usrfiles.com/ugd/b8c837_a0c65c70e16f4fe5ba5ff88e5841a6e6.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_off00006a00.bin54e0469ea5dc2c508e5d4d2e26bbb6559728c59fd278ecea70ecbba6d294a65c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A00 | 5004 bytes |
font_01_sfnt_off00007af2.bin6d6f7fb3b700ee1f73f8cf8ae5bbf7729af795b88be2cb3dc970ceff118611e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AF2 | 11312 bytes |
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