MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file contains multiple embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text that appears to be a lure for a manual download, pointing to the URL https://ttraff.ru/wix?keyword=delta+unisaw+34-806+manual. The presence of a large number of external PDF links, many pointing to static.usrfiles.com, suggests a link farm or SEO poisoning tactic to distribute malicious 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.ru/wix?keyword=delta+unisaw+34-806+manual
- https://cdn.shopify.com/s/files/1/0433/8440/6181/files/rokud.pdf
- https://cdn.shopify.com/s/files/1/0428/2161/5772/files/bible_study_lessons_for_adults.pdf
- https://cdn.shopify.com/s/files/1/0438/1619/0112/files/abp_maza_reporter_contact_number_mumbai.pdf
- https://static.usrfiles.com/ugd/516793_cc8c053f0eed4f55bb14b7f263959df1.pdf
- https://static.usrfiles.com/ugd/07625c_b521dc9cce9e4daeb53b699212df5262.pdf
- https://static.usrfiles.com/ugd/ecec20_0091850104414522b6be85c9c11bce9b.pdf
- https://static.usrfiles.com/ugd/ca32a8_8df9d930c46e4204a25134894c2fed29.pdf
- https://static.usrfiles.com/ugd/b8c837_9c5e88d230c347a6a819567be00ac3b9.pdf
- https://static.usrfiles.com/ugd/b8c837_bc5f17f1c9a64ac3bf44c0439541038a.pdf
- https://static.usrfiles.com/ugd/3ce946_dbdd1a7c2269461a8469015be3284758.pdf
- https://static.usrfiles.com/ugd/52b593_d5954f719b4a4d5eb280d63f46b751d6.pdf
- https://static.usrfiles.com/ugd/b8c837_9e1c665a6c0f4ef59084568526fe18b9.pdf
- https://static.usrfiles.com/ugd/ae059d_82a91a1eb1b94070bb4fe0c41c8f4e5b.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/
- https://static.usrfiles.com/ugd/516793_cc8c053f0eed4f55bb14b7f263959df1
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006896.bin1eaffbf26d9d8511d925080fc5d246a3f1141f97155536d85bfa6b1cc5973ce8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6896 | 5600 bytes |
font_01_sfnt_off00007baf.bin4ed8e4838faf8b003a662646c77f6c5c36293f8f258cefb7cd13d21981a1494c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BAF | 9968 bytes |
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