MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded URLs, with a critical heuristic identifying a link to known malicious redirector infrastructure at https://ttraff.com/wix?keyword=berliner+platz+1+deutsch+im+alltag+pdf. The document body, though heavily obfuscated, contains text fragments and URLs that suggest a lure related to language learning materials. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to redirect users to harmful content.
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.com/wix?keyword=berliner+platz+1+deutsch+im+alltag+pdf
- https://cdn.shopify.com/s/files/1/0431/9074/7295/files/1713188726.pdf
- https://cdn.shopify.com/s/files/1/0428/8430/0959/files/66857418629.pdf
- https://cdn.shopify.com/s/files/1/0438/2546/3456/files/crib_sheets_for_baby_girl.pdf
- https://cdn.shopify.com/s/files/1/0428/5857/8086/files/xupipijud.pdf
- https://cdn.shopify.com/s/files/1/0434/4381/4560/files/wedoniwupekaja.pdf
- https://cdn.shopify.com/s/files/1/0434/1691/2023/files/magozifi.pdf
- https://static.usrfiles.com/ugd/1be480_50970ad42a63458283638b72bf5b9734.pdf
- https://static.usrfiles.com/ugd/b8c837_755704f540af4d7bb0e46674b279632e.pdf
- https://static.usrfiles.com/ugd/b8c837_fd0dbda7332f4523a1d90aba82a61f9e.pdf
- https://static.usrfiles.com/ugd/b8c837_2769f8438b554bbfa0dcfb48b0edcc55.pdf
- https://static.usrfiles.com/ugd/d2751c_8fa9e41fbeef4827b38e75fc68ef88f4.pdf
- https://static.usrfiles.com/ugd/cd79e3_3346511e3edf43d9b4ae7c2be5ea8aa7.pdf
- https://static.usrfiles.com/ugd/b8c837_8049b98673904312b7b2d5c28064677c.pdf
- https://static.usrfiles.com/ugd/3f4b99_42d0cf541ef34f089e0340b350f7879d.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_off00006a82.bin05c4865ce1ec81459b3849cdc824d720ee06baa0e774f1f3cdccf7b26c60ed3b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A82 | 5720 bytes |
font_01_sfnt_off00007dd1.bind715f8371c6629819b40926d95f47e7c2ed97fa573e71133ff5160214701695b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DD1 | 11340 bytes |
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