MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass of external links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.me/wix?keyword=set+text+bold+in+android+xml' which is likely the primary lure. The presence of numerous links to static.usrfiles.com suggests a link farm designed to improve SEO for malicious content or to obscure the ultimate destination. No scripts were extracted from this sample.
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=set+text+bold+in+android+xml
- https://static.usrfiles.com/ugd/2dbf5a_4f3a494c2ca74f4c99120628002f9b7c.pdf
- https://static.usrfiles.com/ugd/8a05ec_cfb1849ed001441aa5ac019b41d62c32.pdf
- https://static.usrfiles.com/ugd/fb5067_e39c4af0ab4f4c91a5322cdcb6f8a1b2.pdf
- https://static.usrfiles.com/ugd/e5cbe5_aa9227c1501f486991cbffdc8641e5f7.pdf
- https://static.usrfiles.com/ugd/d1c05f_d67a1160246343618f3bfbb2190c9f1b.pdf
- https://static.usrfiles.com/ugd/41a0b6_91907900cf9244f78a5d26f9d9ac93ba.pdf
- https://static.usrfiles.com/ugd/6cfc61_69b1aa89577343f39eb0a8ba9d3ffb8e.pdf
- https://static.usrfiles.com/ugd/6290de_d80e66886abb44e79ebe0f9773d39c7a.pdf
- https://static.usrfiles.com/ugd/e32576_1bf034238e4b4fceb4ea7ffd8782e65b.pdf
- https://static.usrfiles.com/ugd/7aabb2_0872b8d039fe4a23922c06b03b732478.pdf
- https://cdn.shopify.com/s/files/1/0431/1724/8672/files/97446111398.pdf
- https://cdn.shopify.com/s/files/1/0431/9212/3560/files/61911669073.pdf
- https://cdn.shopify.com/s/files/1/0433/0569/7438/files/square_root_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0432/4173/4307/files/diccionario_etimolgico_espaol_e_hi.pdf
- https://cdn.shopify.com/s/files/1/0434/8595/4208/files/kumashiro_against_common_sense.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_off00005b8a.binaac159e762ba62c4d3f1fdd1347075050a427edf00351119c1828f868de729d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B8A | 5104 bytes |
font_01_sfnt_off00006ccd.bin8cea33e979c57671768b3d477132d1ebd606c93d1e8d94fda5bc13b2a89eb8fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CCD | 14452 bytes |
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