MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the critical PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the primary redirector URL and numerous other PDF links, suggesting a lure to external, potentially 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.cc/wix?keyword=reinforced+masonry+engineering+handb
- https://cdn.shopify.com/s/files/1/0431/5004/9446/files/american_girl_collecting.pdf
- https://cdn.shopify.com/s/files/1/0431/6240/2965/files/adobe_photoshop_7._0_tutorials_in_tamil_free_download.pdf
- https://cdn.shopify.com/s/files/1/0436/7430/4662/files/nafidifikikisijun.pdf
- https://cdn.shopify.com/s/files/1/0436/1306/1277/files/munetaduvaronakuzamefexo.pdf
- https://cdn.shopify.com/s/files/1/0431/4087/4408/files/mirajex.pdf
- https://cdn.shopify.com/s/files/1/0447/8818/7293/files/92_country_code.pdf
- https://cdn.shopify.com/s/files/1/0429/7372/4825/files/59242152324.pdf
- https://cdn.shopify.com/s/files/1/0436/0326/3650/files/stuart_wilde_books.pdf
- https://cdn.shopify.com/s/files/1/0435/8311/1323/files/rofinalarukatofowalugufeg.pdf
- https://static.usrfiles.com/ugd/162fe6_942c37923c19450fb29d73f914111b65.pdf
- https://static.usrfiles.com/ugd/b8c837_b6749ae73bce4fd8b2c312012ea23b8c.pdf
- https://static.usrfiles.com/ugd/b8c837_c44405b3f47f411096c8036deed1dd57.pdf
- https://static.usrfiles.com/ugd/d54300_b30cb0daf7b74c2780278a90de072d0a.pdf
- https://static.usrfiles.com/ugd/451461_2eecb87b88ee475ea4b762b0eee93ea6.pdf
- https://static.usrfiles.com/ugd/79cb75_d41e19a4d5a541f3a4785fd68ab1dca2.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_off000064f2.bin275d6411176c11f2b69cb2819111abfcf21255cac721e31ea33ac55ee7102a9c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64F2 | 5652 bytes |
font_01_sfnt_off00007803.bin55d4ffd9b1973c38e2761d26d0f79fa4220bee63dd6ff4616ef9ffeb1811840d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7803 | 11252 bytes |
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