MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to mimic search results for educational materials, specifically 'slader spanish 3 textbook answers'. The primary malicious URL, https://ttraff.me/wix?keyword=slader+spanish+3+textbook+answers, is a known redirector. The document body, though heavily obfuscated, contains references to this lure and numerous other benign-looking PDF links, likely to obscure the malicious intent. The ML classifier strongly supports the malicious verdict.
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.me/wix?keyword=slader+spanish+3+textbook+answers
- https://static.usrfiles.com/ugd/de3d83_d53a3dd2318d4987bb9c7a82e3b033d1.pdf
- https://static.usrfiles.com/ugd/7ea8bb_5d75775dab0640ee8f6c73681c193fc1.pdf
- https://static.usrfiles.com/ugd/0ad6c7_4a2fcb8542d74b078578c71b49d18587.pdf
- https://static.usrfiles.com/ugd/735189_cc9610b9e4a143fd8a36d21c9520b310.pdf
- https://static.usrfiles.com/ugd/0e6328_a80ab87bc07c457684ddc44487b04876.pdf
- https://static.usrfiles.com/ugd/d1d005_6f785ac89e5840edbe61b8720d7d6335.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xidegafizupewutuzu.pdf
- https://cdn.shopify.com/s/files/1/0434/4948/3420/files/54634360107.pdf
- https://cdn.shopify.com/s/files/1/0434/5269/4680/files/bfa_herbalism_leveling_guide.pdf
- https://static.usrfiles.com/ugd/5b9365_b18e0a7223f248d0b1b378fe6c2cd81f.pdf
- https://static.usrfiles.com/ugd/a838c0_6a4028fde93445d9ac67a99190b4a2aa.pdf
- https://static.usrfiles.com/ugd/d162e3_2300717fc2d4489c9e10f48b9e94b86c.pdf
- https://static.usrfiles.com/ugd/7d21c0_0988c1b4fb704290b45c6d78adbaae7e.pdf
- https://static.usrfiles.com/ugd/1715bf_ef462d518b3844b69cfa968eca327f4d.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_off000042a5.bin9b81b4387183a6f218eb5cf3beac9e61b46e1835d1ad340302a95c719ef1cea9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x42A5 | 5680 bytes |
font_01_sfnt_off00005600.bin8bd8d2dcd970bb331694c0f3672dd8b84a15dac21b8975e3f60725b51ee48d37 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5600 | 8696 bytes |
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