MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the target URL and appears to be a lure for educational content. The PDF also hosts a large number of external links, suggesting a link farm or SEO abuse tactic. The ML classifier strongly indicates 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.club/pify?keyword=indefinite+and+negative+words+spanish+worksheet
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/9734e7_995c7bd643ce47cfa9ac7d60e193e08f.pdf
- https://static.usrfiles.com/ugd/c8a981_e54354384d3b4b719fcb199e257fb7f6.pdf
- https://static.usrfiles.com/ugd/89602e_bc388c9567ce4a88b07f06c021f5a6b2.pdf
- https://cdn.shopify.com/s/files/1/0435/6915/2163/files/jimewadesenivuzezuw.pdf
- https://cdn.shopify.com/s/files/1/0433/9197/5580/files/acuerdo_de_paz_en_guatemala.pdf
- https://cdn.shopify.com/s/files/1/0437/5209/5898/files/livro_python_para_anlise_de_dados.pdf
- https://cdn.shopify.com/s/files/1/0429/7113/6154/files/xefigitosozif.pdf
- https://cdn.shopify.com/s/files/1/0431/8104/7965/files/73586815189.pdf
- https://static.usrfiles.com/ugd/5438e3_ebc539a6dcff49e3a6106fc40859dfa1.pdf
- https://static.usrfiles.com/ugd/b8c837_9b94b05d034940d8877c2d6facf28444.pdf
- https://static.usrfiles.com/ugd/eb4c03_1041bd6194bb4839bc4d2988ee8058f9.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005834.bincefa819b1df8d2943fa462f85e6a98f026bed747efb9bb5e251221aee578ce1b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5834 | 5424 bytes |
font_01_sfnt_off00006abe.bin609294b60dbe501c1b2bf3a114afe2b05c960e66a7d01eeb112d65c91802175e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6ABE | 11472 bytes |
font_02_sfnt_off000090ee.bina95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90EE | 16204 bytes |
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