MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to a redirector service. The document body, though heavily obfuscated, contains text that appears to be related to UI elements and a URL that is also present in the heuristics. This suggests a phishing or redirection attack designed to lead users to malicious content.
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=set+button+text+color+android
- https://static.usrfiles.com/ugd/432b07_73244a3157b641d98a680a4ecec15de1.pdf
- https://static.usrfiles.com/ugd/b8c837_45da52d625c44efcb53d7e24afddb6c0.pdf
- https://static.usrfiles.com/ugd/2ca09c_1d2bdffa77fe402cabfce774cb9b9d28.pdf
- https://static.usrfiles.com/ugd/2b25b5_82b31eb43d964061bcce6e12452e0593.pdf
- https://static.usrfiles.com/ugd/a2d007_41362f1499384c7d9e667847db737f5c.pdf
- https://static.usrfiles.com/ugd/b8c837_344215e993c5403eb9505e7d16cfb44e.pdf
- https://static.usrfiles.com/ugd/3826db_91affa9147084b2f84cb8152b1378288.pdf
- https://static.usrfiles.com/ugd/c20ea7_98ca832f38d44da7a743a069763ad383.pdf
- https://cdn.shopify.com/s/files/1/0429/8765/1235/files/fuvaxanigosidegow.pdf
- https://cdn.shopify.com/s/files/1/0433/4803/3689/files/activating_and_deactivating_groups_list.pdf
- https://cdn.shopify.com/s/files/1/0431/8131/0114/files/66024960544.pdf
- https://cdn.shopify.com/s/files/1/0458/3289/6675/files/sibitumovuliwutawagilo.pdf
- https://cdn.shopify.com/s/files/1/0430/1750/2869/files/journal_international_artificial_intelligence.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_off00006af7.bin95d3e11db7081fdaf77f09036acd342c3373e6f2324c3bbf3ac87a2f2eca9423 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AF7 | 5064 bytes |
font_01_sfnt_off00007c3a.bin9ceaf490676c0f852e681bb9b2a8a76591d3cdf21c33284df82dc778141f9c24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C3A | 10344 bytes |
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