MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm and a primary malicious redirector URL. The document body, though heavily obfuscated, contains text related to physics problems, likely a lure to encourage clicks. The ML classifier strongly indicated maliciousness, and the PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the presence of a known malicious redirector.
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=determine+the+magnitude+and+coordinate+direction+angles+of+the+resultant+force+of+the+two+forces
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/4441/2309/files/ben_10_alien_force_all_aliens_transformations.pdf
- https://cdn.shopify.com/s/files/1/0428/5726/7359/files/19715259428.pdf
- https://cdn.shopify.com/s/files/1/0433/3862/9270/files/xemozajorezobu.pdf
- https://cdn.shopify.com/s/files/1/0429/4456/1318/files/d_d_3._5_size_chart.pdf
- https://static.usrfiles.com/ugd/b8c837_0f45b8b58a4640e09e609d11f7edfd62.pdf
- https://static.usrfiles.com/ugd/93971e_15e54024dc6e442e95665e3b0361d056.pdf
- https://static.usrfiles.com/ugd/b8c837_d88f92868a5f40da95dd08a4dac8d4ed.pdf
- https://static.usrfiles.com/ugd/b8c837_580575a57c014bba9314d1ad3098713d.pdf
- https://static.usrfiles.com/ugd/1decf9_7bae13cb2f404db9b64318800e6f4bdf.pdf
- https://cdn.shopify.com/s/files/1/0436/9409/6539/files/cesur_yeni_dnya.pdf
- https://cdn.shopify.com/s/files/1/0432/9517/8902/files/kamif.pdf
- https://cdn.shopify.com/s/files/1/0431/4074/3329/files/77829852893.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_off00005665.bin4a94fa5dfc8029543dcd93e446a01f6c397a18ca27df7f849d0907b867423be2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5665 | 5524 bytes |
font_01_sfnt_off0000690a.bin96c92865ee02b6951bab3d38c1467f09e4bbd6c50e146877b80ca7c81f782b76 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x690A | 10504 bytes |
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