MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded links, many of which point to a redirector service. The primary malicious URL identified is ttraff.ru, which is associated with malicious redirector infrastructure. The document body, though heavily obfuscated, contains references to download-related keywords and the malicious URL, suggesting a lure to trick users into clicking on malicious links.
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=psp+iso+free+download+for+android
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/822ecd_ff90e6edd5ba4a6da11eaea07455431e.pdf
- https://static.usrfiles.com/ugd/5be868_162d9a6d0b784c16bdad9467abad7433.pdf
- https://static.usrfiles.com/ugd/a2c2bc_16d26181eb72496b8e5844559ce08262.pdf
- https://static.usrfiles.com/ugd/b8c837_fb835e4e5b2b4850a9dce70c08322263.pdf
- https://static.usrfiles.com/ugd/b8c837_25f619fe66cf499da623bac0f75446b7.pdf
- https://static.usrfiles.com/ugd/41a0b6_ffc679d1ece04fc4b29af87c8b0410f0.pdf
- https://static.usrfiles.com/ugd/0d2908_cc474c5571d743659c995922ddeca0fc.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rewosegukedisupagur.pdf
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/30797999583.pdf
- https://static.usrfiles.com/ugd/b8c837_e2185ba3afda4099aaefaab0fd0320ce.pdf
- https://static.usrfiles.com/ugd/b8c837_71bf347a23e549af87e1aa222d67113b.pdf
- https://static.usrfiles.com/ugd/0049ca_af5cf7cf306243ef9796bc3aeb73daf6.pdf
- https://static.usrfiles.com/ugd/2f3ac6_cdcc1363ff9e49108641b7101f05b73d.pdf
- https://static.usrfiles.com/ugd/ed64d2_345309171bc14d999003e360eb84a4f0.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000694e.bin696bbcb63d1f21cfefb92e21ab867463a1a9f64a5adf7882cb506292c28bf194 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x694E | 5128 bytes |
font_01_sfnt_off00007ada.bina9869b63e9b1dceb0b5828d3d71cd7cc21d95a2802241d98dddb28c28882f6dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ADA | 9900 bytes |
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