MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file contains a large number of embedded links, many of which point to a link farm designed to improve search engine rankings. One critical heuristic identified a link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that leads to this redirector, suggesting a phishing or malicious redirection attempt. The ML classifier strongly supports the malicious nature of this PDF.
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=layers+of+the+earth+and+plate+tectonics+study+guide+answer+key
- https://static.usrfiles.com/ugd/136d3d_55d378993bff4c5b907a4d2d8f38f6fc.pdf
- https://static.usrfiles.com/ugd/c88839_c9eb94d1bf064e859dcb0b347fd18785.pdf
- https://static.usrfiles.com/ugd/2b25b5_df39e3b09c8248aa9f653f25d9a4071a.pdf
- https://static.usrfiles.com/ugd/24853a_6041fd5b89ff4e35b608a359b6cfe1a9.pdf
- https://static.usrfiles.com/ugd/c2007e_4fad78bc88034ff485c57b67ce5c3ce8.pdf
- https://cdn.shopify.com/s/files/1/0428/7240/6179/files/86189718834.pdf
- https://cdn.shopify.com/s/files/1/0431/8121/1802/files/11197902361.pdf
- https://cdn.shopify.com/s/files/1/0431/5050/8194/files/lord_of_the_rings_minecraft_map.pdf
- https://cdn.shopify.com/s/files/1/0440/6394/8950/files/blood_and_chocolate_movie_480p.pdf
- https://cdn.shopify.com/s/files/1/0433/3699/0885/files/nitesoxarex.pdf
- https://cdn.shopify.com/s/files/1/0428/7945/1295/files/double_facts_plus_one_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0429/9243/5359/files/mugaba.pdf
- https://cdn.shopify.com/s/files/1/0435/9254/8515/files/bisesutaxene.pdf
- https://cdn.shopify.com/s/files/1/0429/7188/9817/files/gobebexenitidopenit.pdf
- https://cdn.shopify.com/s/files/1/0465/2839/7470/files/ben_10_omniverse_all_episodes.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_off00005ff5.bin7164daaf6002e54e8b33a7e97b426ee388bc12601c5b3d1b8fdca6165bd395c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FF5 | 5616 bytes |
font_01_sfnt_off0000732b.bin874d316d152091fa4da596334ae873c045f88cb2d021fc741edc0c1fb9c79c21 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x732B | 10056 bytes |
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