MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external resources, with one specifically pointing to a known malicious redirector. The ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains the target URL, suggesting a lure to a malicious 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/pify?keyword=oxygen+therapy+guidelines+for+nurses
- http://razose.sharepointchange.com/uploads/1/3/1/4/131453321/sozobemigomezulubu.pdf
- http://files.ruanlanihorneparishcouncil.org/uploads/1/3/0/7/130739806/gepajamezolu_xezuxoxawuna.pdf
- http://febomata.ksrichardson.com/uploads/1/3/1/3/131380397/6913267.pdf
- http://files.bluespeedsalt.com/uploads/1/3/0/7/130740433/vitizenafog.pdf
- http://files.iskphilippines.net/uploads/1/3/1/8/131871772/duxosew.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/26965864763.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84574839703.pdf
- https://cdn.shopify.com/s/files/1/0438/1461/7245/files/33502508495.pdf
- https://cdn.shopify.com/s/files/1/0452/3976/3101/files/berenice_allan_poe.pdf
- https://cdn.shopify.com/s/files/1/0428/8089/3084/files/70226755914.pdf
- https://cdn.shopify.com/s/files/1/0437/5396/3678/files/alice_in_wonderland_full.pdf
- https://cdn.shopify.com/s/files/1/0439/3218/8840/files/39621670177.pdf
- https://cdn.shopify.com/s/files/1/0438/2051/5488/files/tijibatuvutasinisatufi.pdf
- https://cdn.shopify.com/s/files/1/0430/7956/5465/files/26728884754.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_off000083e1.bin9d929b04ce24711ad286c59872ed4a68b07c86e6b829507dc4bd60edef8d3e96 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83E1 | 5500 bytes |
font_01_sfnt_off00009695.bin56091ff8585c37f2208bc231e3843bca5d77c883255e3eaea5cbb89882bd8264 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9695 | 14872 bytes |
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