MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Add-in Systems
T1059.001 PowerShell
The PDF file contains a large number of embedded URLs, including a critical finding of a link to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body appears to be largely obfuscated or contains non-readable characters, but the presence of the malicious redirector URL and the link farm suggests a phishing or redirection attack. No scripts were extracted from this sample.
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=2005+buick+terraza
- https://cdn.shopify.com/s/files/1/0427/6345/2583/files/gw2_necromancer_build.pdf
- https://cdn.shopify.com/s/files/1/0434/6803/0102/files/passive_voice_present_past_future_simple_exercises.pdf
- https://cdn.shopify.com/s/files/1/0438/9801/1816/files/80470342630.pdf
- https://cdn.shopify.com/s/files/1/0454/0868/2152/files/bunco_score_sheets_free.pdf
- https://static.usrfiles.com/ugd/b8c837_9015b1e3454d4fabb526a9633a00aa3b.pdf
- https://static.usrfiles.com/ugd/b8c837_e849912209f04ee8b3916722d17836b9.pdf
- https://static.usrfiles.com/ugd/ca32a8_2be8ae65d8db46eba88d8cb236e34196.pdf
- https://static.usrfiles.com/ugd/b8c837_c0812bb7e82e41c58e9700235dc98bac.pdf
- https://static.usrfiles.com/ugd/b8c837_9c0dfbb803454a58ae86d92512682165.pdf
- https://static.usrfiles.com/ugd/cc14e4_389636d756db419f81050f4009d1ffab.pdf
- https://static.usrfiles.com/ugd/b8c837_39b62fde182245a490cdfdb8545c9830.pdf
- https://static.usrfiles.com/ugd/e4a001_cd444872fd6d46d8ae9e18f448a346bc.pdf
- https://static.usrfiles.com/ugd/a4e402_8fb039fe04644f4983a91d73bcd981e1.pdf
- https://cdn.shopify.com/s/files/1/0454/8834/1142/files/algebra_2_and_trigonometry_textbook_prentice_hall.pdf
- https://cdn.shopify.com/s/files/1/0432/9386/8187/files/tafupapovepulub.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_off00006611.binbd3fe4c2e6eee78e9090799eb6001f9aa9886f40306c142dede9c1e05cdde0c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6611 | 5140 bytes |
font_01_sfnt_off0000779f.bin029c0cf9b0470c0a7f5a23f746f6f8fec988d5befdfc6c76d7012089fe4ec277 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x779F | 15448 bytes |
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