MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, pointing to ttraff.com. The document body, though heavily obfuscated, contains the same URL and other links, suggesting a lure to external content. The ML classifier also strongly indicated maliciousness. The presence of numerous links, including to static.usrfiles.com, indicates a link farm strategy, likely to obscure the malicious redirector.
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.com/wix?keyword=s%25C3%25ADmbolos+de+un+diagrama+de+flujo
- https://static.usrfiles.com/ugd/b8c837_ce89c1db8df043288b4f13ec09807c6c.pdf
- https://static.usrfiles.com/ugd/b8c837_d238e8a2d67e4e41911288f40a2d4cc3.pdf
- https://static.usrfiles.com/ugd/36f25b_3b93f420449a45718609f4b185bd4ffa.pdf
- https://cdn.shopify.com/s/files/1/0432/2754/5757/files/61333431725.pdf
- https://cdn.shopify.com/s/files/1/0431/3533/6616/files/risk_game_map.pdf
- https://cdn.shopify.com/s/files/1/0432/7361/7576/files/52165739508.pdf
- https://cdn.shopify.com/s/files/1/0429/3348/5727/files/47184572629.pdf
- https://cdn.shopify.com/s/files/1/0431/1046/5698/files/respiracin_aerbica_y_anaerbica.pdf
- https://static.usrfiles.com/ugd/7603ae_0f13e577a7c04ce488dfd8a1984091dc.pdf
- https://static.usrfiles.com/ugd/b8c837_506f562396bf4f09bcbc7d1bd30129cd.pdf
- https://static.usrfiles.com/ugd/b8c837_65e21b207f954b5aa20bf575f0bf44ab.pdf
- https://static.usrfiles.com/ugd/b8c837_2cc12c43e58c4190a9016b0b856f756d.pdf
- https://static.usrfiles.com/ugd/f4de5e_9009543fe2fa419e80b744d0445ebd51.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_off00005cde.bin685f2b487ba8b18187a2f96b0107c5d0b221e90348b0619bb6814af3b41d6f64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CDE | 5600 bytes |
font_01_sfnt_off00006fcf.bind9d7c7a8850e5ab0c3e5d58422a158043c148e59ae428b726c60f522bc49df14 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FCF | 10964 bytes |
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