MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which points to a known malicious redirector infrastructure. The ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains a URL that is also present in the heuristics, suggesting a lure to a phishing or malware distribution site.
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.ru/wix?keyword=5essentials+encuesta+estudiantil+cps
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_d824dd26c0dd4b38ba26063f9bb9d10e.pdf
- https://static.usrfiles.com/ugd/b8c837_adbd0af643e044f780a6adb97b53f8f8.pdf
- https://static.usrfiles.com/ugd/b8c837_0effbb1110bc43019af4eaed0571c9e9.pdf
- https://static.usrfiles.com/ugd/b8c837_b8eb5fbe90314614af5c2f304697a051.pdf
- https://static.usrfiles.com/ugd/b8c837_38c8f7ec8ff14a9e93db357aff1485b5.pdf
- https://static.usrfiles.com/ugd/b8c837_60dc015ac09b45b9bad1647d7fa67711.pdf
- https://static.usrfiles.com/ugd/b8c837_58cefc3aef284e358fb09f3a1017fe3c.pdf
- https://static.usrfiles.com/ugd/b8c837_5bb86361a6684cd9b42b940a0947f070.pdf
- https://static.usrfiles.com/ugd/b8c837_0d42efe6aacd434b9c959c176c613934.pdf
- https://cdn.shopify.com/s/files/1/0428/8321/9619/files/60533536587.pdf
- https://cdn.shopify.com/s/files/1/0428/3075/8044/files/26625870403.pdf
- https://cdn.shopify.com/s/files/1/0432/7217/5781/files/27232528653.pdf
- https://cdn.shopify.com/s/files/1/0429/5829/1093/files/3d_movement_script_unity.pdf
- https://static.usrfiles.com/ugd/b8c837_591654e411f94a9eab90d94087a75b17.pdf
- https://static.usrfiles.com/ugd/b8c837_ab1ce2e910374072bfb857a175e262b6.pdf
- https://static.usrfiles.com/ugd/b8c837_080ec4ffa03b4f358c3fdd87102182c3.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_off000109e3.bin5900c037f37b29f52612868f5758f1009ba4ad12bdaff921e27a4f4787123693 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109E3 | 5000 bytes |
font_01_sfnt_off00011aeb.bine42ab779e42881cbd06eb5531df19b693602a011880428ee1f7a386459f1c176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AEB | 14620 bytes |
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