MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link leads to a URL that is part of a link farm, suggesting an attempt to distribute malicious content or phishing pages. The presence of a download button lure further supports the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=newton%2527+s+laws+worksheet+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_077801986ce341a8858c1d3b0c43f43f.pdf
- https://static.usrfiles.com/ugd/b8c837_806dfe3ea78b417c8dfa9f9b6c3a9b6b.pdf
- https://static.usrfiles.com/ugd/b8c837_3803c81a9ee94d22b9525ee52f038ba7.pdf
- https://static.usrfiles.com/ugd/b8c837_be85e698856c4ec69b958fe88fd33715.pdf
- https://cdn.shopify.com/s/files/1/0428/6601/6412/files/blender_3d_crackeado.pdf
- https://cdn.shopify.com/s/files/1/0432/6011/7152/files/liftarens_guide_till_galaxen_handduksdagen.pdf
- https://cdn.shopify.com/s/files/1/0430/2825/0781/files/kidumegesolirinakateruf.pdf
- https://static.usrfiles.com/ugd/b8c837_f101c65fa2fe4cafa78c193f6aab79a0.pdf
- https://static.usrfiles.com/ugd/921909_1059a78121b1429a8dc5cf53989b1c67.pdf
- https://static.usrfiles.com/ugd/b8c837_c8177ee939264312bc87960bd83c0ff5.pdf
- https://static.usrfiles.com/ugd/b8c837_bbd5105def9649e1a620f65a4156f451.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_off00004e86.bin2abdcba855a4a7d1cb3a513ee078ff3a452f05b39c26e1cb6dd67c1bd1c36ae0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E86 | 5288 bytes |
font_01_sfnt_off0000609d.bine302580634bc000ab8d24d5a4a422ea0bfcf499a99e7f27eb78bac84f57eeda1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x609D | 9984 bytes |
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