MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector service known to host malicious content. The document body itself is heavily obfuscated but contains a reference to the malicious URL. This suggests the document is designed to lead users to malicious websites, likely for phishing or malware distribution.
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=bayesian+data+analysis+3+pdf
- http://files.chapmanstvservices.com/uploads/1/3/1/6/131606252/7698870.pdf
- http://bafaxip.nehassaiu.com/uploads/1/3/0/7/130775971/jefal.pdf
- http://koxivuri.majesty-on-cloud9.com/uploads/1/3/1/6/131636612/3422681.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/3731/0626/files/duty_of_care_in_tort_law.pdf
- https://cdn.shopify.com/s/files/1/0438/0088/7457/files/37773334227.pdf
- https://cdn.shopify.com/s/files/1/0431/2036/1629/files/zikewadozipuniv.pdf
- https://cdn.shopify.com/s/files/1/0429/6874/4087/files/about_chandrayaan_2_in_english.pdf
- https://cdn.shopify.com/s/files/1/0438/9509/5464/files/81779807172.pdf
- https://cdn.shopify.com/s/files/1/0438/3775/1453/files/uninstall_xbox_game_bar_windows_10.pdf
- https://cdn.shopify.com/s/files/1/0437/3485/9927/files/21574618848.pdf
- https://cdn.shopify.com/s/files/1/0432/7089/7824/files/dogiwabetejuli.pdf
- https://cdn.shopify.com/s/files/1/0437/0392/6939/files/rabijugejinajobobo.pdf
- https://cdn.shopify.com/s/files/1/0434/7451/8178/files/11951123537.pdf
- https://cdn.shopify.com/s/files/1/0433/5806/0703/files/16565329938.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_off0000649a.bind635a32e45c573230f4e698ad4d7eb3604d6134cfcc585416989d5634cdc2d62 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x649A | 5256 bytes |
font_01_sfnt_off0000769f.bin8d0007105b1e914c3804cb13354e5b5fae39f90e158632340955735ac41d6ac6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x769F | 10264 bytes |
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