MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, with one identified as a malicious redirector. The document body, though heavily obfuscated, includes text related to 'restrictive and nonrestrictive clauses exercises with answers pdf' and the malicious URL itself, suggesting a lure for SEO spam or phishing. The ML classifier also strongly indicated maliciousness.
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.com/wix?keyword=restrictive+and+nonrestrictive+clauses+exercises+with+answers+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/8d57bd_3adf3cf2759e48c5a16fa964da6cc935.pdf
- https://static.usrfiles.com/ugd/c068f8_e63de04266924575aa154f3338c653ef.pdf
- https://static.usrfiles.com/ugd/6cf0f5_e4913e9d06d5421687c7de39c9232ad1.pdf
- https://static.usrfiles.com/ugd/b5472a_b9a456e71e4f4dd3b1fa827276b6165f.pdf
- https://cdn.shopify.com/s/files/1/0440/3258/9989/files/93170894421.pdf
- https://cdn.shopify.com/s/files/1/0439/7573/7502/files/rezusugumide.pdf
- https://cdn.shopify.com/s/files/1/0433/1044/8795/files/datukogefemi.pdf
- https://cdn.shopify.com/s/files/1/0431/0417/4233/files/transformation_and_articulation_of_form.pdf
- https://cdn.shopify.com/s/files/1/0431/9582/6336/files/fuvumafelet.pdf
- https://cdn.shopify.com/s/files/1/0434/7687/7478/files/velozes_e_furiosos_7_filme_completo_dublado_mega_cine.pdf
- https://cdn.shopify.com/s/files/1/0440/5359/4277/files/11941443225.pdf
- https://static.usrfiles.com/ugd/badafb_5fb6e08cddea4d9e9af93e8bdfb30806.pdf
- https://static.usrfiles.com/ugd/49be48_3a402ebbdc844f2ba303b700d2620194.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009449.bin4aba2bb845853324476be69e5ed1bf4ff35002942389efac2b843cac1129f0e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9449 | 2828 bytes |
font_01_sfnt_off00009e44.bin1b23865afbb5d6b26f3e6ef8817f6186be4dcf787e1780a787703750719970b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E44 | 5472 bytes |
font_02_sfnt_off0000b0f4.bin8563702ae359d8047f270fa641b39f24e6de3db6d9e22713e4b66c492c4df640 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0F4 | 10096 bytes |
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