MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a primary link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Burda magazine download free' and the malicious URL. This suggests the document is designed as a lure to redirect users to malicious infrastructure, likely for further exploitation or malware delivery. The ML classifier strongly supports the malicious nature of this PDF.
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=burda+magazine+download+free
- https://cdn.shopify.com/s/files/1/0434/9476/8802/files/10413091408.pdf
- https://cdn.shopify.com/s/files/1/0462/0088/1315/files/different_types_of_actuators.pdf
- https://cdn.shopify.com/s/files/1/0435/5057/2695/files/15831765488.pdf
- https://static.usrfiles.com/ugd/724bd4_6971bd595062465780e953f32915cc1d.pdf
- https://static.usrfiles.com/ugd/3f80ec_917aa8896b514d2a919cd2fa7e0c01df.pdf
- https://static.usrfiles.com/ugd/2f7815_9f7593a849734e2ea575d2d8c45009d4.pdf
- https://static.usrfiles.com/ugd/6f53d7_a1f759de167c48f1ab81a1ff7dacfc54.pdf
- https://static.usrfiles.com/ugd/b8c837_e0daee0b5c1b41b2a5fcd330edd29c5c.pdf
- https://static.usrfiles.com/ugd/b8c837_5bf50ae1afd24b6fb38718fd7279e402.pdf
- https://static.usrfiles.com/ugd/3e87bf_c139e9791d0142829380481a1458b705.pdf
- https://static.usrfiles.com/ugd/b8c837_ec75b9c330194c92a1bd8620845a11a9.pdf
- https://static.usrfiles.com/ugd/b8c837_20112825a67444488be804422d35c2d6.pdf
- https://cdn.shopify.com/s/files/1/0430/9480/2581/files/54041225647.pdf
- https://cdn.shopify.com/s/files/1/0435/2707/8042/files/zavowigokifinesojukazuser.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 |
|---|---|---|---|
stream_005_off00008761.bin214b62ecd64c8c1a16589d310c1d9d7acca2dbcb4a7910d3a16ae1026bcd3abf |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x8761 | 22860 bytes |
font_00_sfnt_off00005282.binf24abd47c2564a3c9d4714d82c71d27ee9bcfdcf6bd90d5a897aba6538fd0474 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5282 | 5240 bytes |
font_01_sfnt_off00006458.bin86b053dd03f7672f861ad75cc771a016e40c32e74b9985d2127a5ab9f0d20847 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6458 | 10160 bytes |
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