MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, includes the text 'Mr smith goes to washington worksheet pdf' and a URL that appears to be part of a link farm designed to attract traffic. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of it being used for phishing or malware delivery.
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.link/pify?keyword=mr+smith+goes+to+washington+worksheet+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/8da65f_5e983089dc784c5dbcc0436de47c8599.pdf
- https://static.usrfiles.com/ugd/8acad3_6d521f980d524a3892b4dd9c2d486d66.pdf
- https://static.usrfiles.com/ugd/227d0f_2e9c58c605a2459393136d3f30a47efa.pdf
- https://cdn.shopify.com/s/files/1/0440/7685/9557/files/sokemiwasen.pdf
- https://cdn.shopify.com/s/files/1/0431/4945/9605/files/lusokudugivaxamoxifijufi.pdf
- https://static.usrfiles.com/ugd/b96e41_e5fa9a191d4d4fac867f77257895768d.pdf
- https://static.usrfiles.com/ugd/a2de88_db579e4e98f346f08a71367caab0951d.pdf
- https://static.usrfiles.com/ugd/3bf302_8fd06537b53642019ed4b90fe06fa776.pdf
- https://static.usrfiles.com/ugd/865d50_06046c7ba0a44b5ca9a06a87fee5fab7.pdf
- https://static.usrfiles.com/ugd/ea78e0_153ee7782ae9437d8359ded8c1f28f1a.pdf
- https://cdn.shopify.com/s/files/1/0470/6720/1704/files/10561083150.pdf
- https://cdn.shopify.com/s/files/1/0435/3723/6119/files/tusipunabiwaserem.pdf
- https://cdn.shopify.com/s/files/1/0439/1773/8152/files/bokakobu.pdf
- https://cdn.shopify.com/s/files/1/0432/0182/2875/files/ciccarelli_psychology_3rd_edition_free_download.pdf
- https://cdn.shopify.com/s/files/1/0437/7395/2158/files/homemade_beauty_tips_in_marathi.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_off000061c7.bin467a19c94360c0d0dc31abc74756fb2fdc733c10287908000874b1fc350bff8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61C7 | 5584 bytes |
font_01_sfnt_off000074ba.bin09ea33b073ab88562a5697678e2c9dac3cbed2b684870fe41f297631c372133f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74BA | 9888 bytes |
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