MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which points to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that is also present in the heuristics, suggesting a lure to a malicious site. The presence of numerous external PDF links further indicates a link farm or SEO poisoning attempt, likely to distribute malware or phish for credentials.
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/wb?keyword=nyc%20doe%20calendar%202020%20spanish
- http://files.torrainewalker.com/uploads/1/3/1/4/131483201/30d6e6d3.pdf
- http://files.andquirky.co.uk/uploads/1/3/1/1/131163635/luxurikexulevajizit.pdf
- http://files.milescohnrealestate.com/uploads/1/3/1/3/131398560/c40de7b85.pdf
- http://files.totalcrane.com/uploads/1/3/1/8/131871583/357492.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/5727/4270/files/video_from_site_safari.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tokavurovapipemekimisam.pdf
- https://cdn.shopify.com/s/files/1/0432/3010/1668/files/esp8266_wifi_module_arduino.pdf
- https://cdn.shopify.com/s/files/1/0436/3993/1038/files/batifulubepe.pdf
- https://cdn.shopify.com/s/files/1/0433/5039/2984/files/76557273246.pdf
- https://static.usrfiles.com/ugd/64f9d2_2581dff4e48d425aaf7b9c8c73f1c9a6.pdf
- https://static.usrfiles.com/ugd/585b1d_8b7e5348607d4f3d99443cc41d0ff833.pdf
- https://static.usrfiles.com/ugd/23b571_b07c8b57237e4ceb9d408d4a14a529be.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005ecb.bin1c28296484c687f3b09cac38a6b986abb66e91bf6b7ca4a9d36544101f34861a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5ECB | 5504 bytes |
font_01_sfnt_off0000718a.bin68b2cdc412471ed03f4ff5922e3491a1967dd156ce374d60be42fc0938f72930 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x718A | 10632 bytes |
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