MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.ru, which is likely intended to lead the user to a malicious download or exploit. The document body, though heavily obfuscated, contains the same URL and references to 'java 8 32 bit windows xp', suggesting a lure for software downloads. The ML classifier also strongly indicated maliciousness.
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=java+8++32+bit+windows+xp
- https://static.usrfiles.com/ugd/73cb9e_22a4475c6b894b06ac821845e30209ba.pdf
- https://static.usrfiles.com/ugd/b8c837_697aaf178e0b4b4287b4993b826fa0c9.pdf
- https://static.usrfiles.com/ugd/7baf93_f4654bb28ddd4f258a98fbaf74710246.pdf
- https://static.usrfiles.com/ugd/b8c837_fab6ea02989040ffa9f81bd0e7f73aa6.pdf
- https://static.usrfiles.com/ugd/e7e4a0_e13325c0d2354fb2b94ad89ea42467ab.pdf
- https://static.usrfiles.com/ugd/fbccce_528d1ab793c44747adf1876d4b407448.pdf
- https://static.usrfiles.com/ugd/a43ec6_4900220feb81475584711d503f11bfcb.pdf
- https://static.usrfiles.com/ugd/87b9a8_3f3b42ad4bc84f829a7fb2dc33fb747d.pdf
- https://static.usrfiles.com/ugd/f103bb_e5cc0d16c5fe41bfa2fccebc0aa145ec.pdf
- https://static.usrfiles.com/ugd/b8c837_f9392a70f8ec467386929bbfc7143704.pdf
- https://static.usrfiles.com/ugd/3f0e57_5a4053f7473a447fbe202d1a57acfddb.pdf
- https://static.usrfiles.com/ugd/b8c837_2fe6e23ca9a04f1699d0d53e64c6856c.pdf
- https://static.usrfiles.com/ugd/e2c250_b8e2e87a0ceb427ca2e6a87ffe7fe341.pdf
- https://cdn.shopify.com/s/files/1/0432/5621/7750/files/37785397868.pdf
- https://cdn.shopify.com/s/files/1/0433/2358/8773/files/61102570550.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_off00005831.binc4c6cb697d67bac0030f81f3a408dc9096aa9219103651793ff5157e17e78e7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5831 | 5664 bytes |
font_01_sfnt_off00006ba5.bin8e6825add71662627a4876388b7130fe4cb762cf7c092c7f04e35e139abd5d74 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BA5 | 11272 bytes |
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