MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic identifying it as a PDF link farm. One of the primary links, 'https://ttraff.ru/wix?keyword=easy+to+learn+hci', is flagged as malicious. The document body, though heavily obfuscated, contains this same URL, suggesting it is the intended destination. The presence of many links, including benign ones from Shopify, indicates a potential SEO manipulation or a distribution point for 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/wix?keyword=easy+to+learn+hci
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/9978/1275/files/boundary_layer_flow.pdf
- https://cdn.shopify.com/s/files/1/0432/9462/1862/files/counter_terrorist_sniper_hunter_mod_apk.pdf
- https://cdn.shopify.com/s/files/1/0439/4971/9720/files/14665102895.pdf
- https://cdn.shopify.com/s/files/1/0433/6173/0718/files/41172425791.pdf
- https://static.usrfiles.com/ugd/b8c837_0fe6bfb818604b0380d7754413a4b16e.pdf
- https://static.usrfiles.com/ugd/b8c837_32d3486222454cd68abd59b2f62f3870.pdf
- https://static.usrfiles.com/ugd/e78b77_95a8bac07f7849c3907bd8484d9c6a34.pdf
- https://static.usrfiles.com/ugd/63022f_3ff4aabeae004efd80614bf6597bb667.pdf
- https://static.usrfiles.com/ugd/d9d1f5_1079e788249b4c9e85f59076b4910343.pdf
- https://static.usrfiles.com/ugd/b8c837_c9540df9056c4ca2ac0d3107eba11de8.pdf
- https://static.usrfiles.com/ugd/6da380_7a024b25b11a4decbd775bbf99abf334.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_off0000c7d3.bin0f31b084ff8b2658dac2d4767740e464ba5381342d796170f2c7bd4cbf73cf90 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7D3 | 4944 bytes |
font_01_sfnt_off0000d89d.bin6f6181d354ef8fb4131744dabc50b832a9f3a77939a7f79fc2d0df7f9c2cd39b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD89D | 10220 bytes |
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