MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains the same URL. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on 'static.usrfiles.com'. The primary malicious URL is likely used to redirect users to a phishing or malware-hosting site.
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=hunger+games+minecraft+indir
- https://static.usrfiles.com/ugd/b8c837_1f3231aef4ee41f991438e683adcb6bc.pdf
- https://static.usrfiles.com/ugd/b8c837_b7cc99874ed64601ab3f186fd024d79d.pdf
- https://static.usrfiles.com/ugd/b8c837_1d59d9824acd44759d7d5674e6c53952.pdf
- https://static.usrfiles.com/ugd/affb4a_2ff6690f442347dca23a4599f71b2799.pdf
- https://static.usrfiles.com/ugd/b8c837_e4506f7c46214facacc6fc0c8b826402.pdf
- https://cdn.shopify.com/s/files/1/0429/4931/2666/files/49746935551.pdf
- https://static.usrfiles.com/ugd/b8c837_ad56bf27fbdd4f50aa7d76d2fb30a763.pdf
- https://static.usrfiles.com/ugd/9904c2_872beb975106434fa211a05c279c80c0.pdf
- https://static.usrfiles.com/ugd/b8c837_de06e31410784dde8635aea42a71b47c.pdf
- https://static.usrfiles.com/ugd/b8c837_cc7f93e8b811467cb0ed3ad494484435.pdf
- https://static.usrfiles.com/ugd/18f527_9bb2c8b2083548d4b6ef5efb63d7f4df.pdf
- https://static.usrfiles.com/ugd/362633_26fec0a010584a45937c64527bd7a5c7.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 |
|---|---|---|---|
font_00_sfnt_off0000664a.binfccc3f52e4bf44228053275b07f0ac81d83c0aea35c1453954af9401b22f3199 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x664A | 5044 bytes |
font_01_sfnt_off0000774b.binf88ccb954250b314823e8a97ebdf8bba6616d03ed6cd122c5b110a26a1e074b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x774B | 10568 bytes |
font_02_sfnt_off00009b2a.bin1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B2A | 4324 bytes |
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