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 malicious URL, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body and embedded links suggest a lure related to academic content, likely to trick users into visiting the malicious site. 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.ru/wix?keyword=cracking+the+sat+subject+test+in+physics+16th+edition+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_fd8539a7c5b848be8d4ab155ebe52973.pdf
- https://static.usrfiles.com/ugd/b8c837_9b7fd98a56984821900bff5466b75b4a.pdf
- https://static.usrfiles.com/ugd/b8c837_20de3a8b3a7c429c996668ffc80d8e8f.pdf
- https://static.usrfiles.com/ugd/b8c837_f81cc0d72986438190d1c685ee02e642.pdf
- https://cdn.shopify.com/s/files/1/0432/6345/9496/files/bhu_bsc_agriculture_syllabus_2018.pdf
- https://cdn.shopify.com/s/files/1/0462/3033/9735/files/delete_browsing_history_in_google_chrome_android.pdf
- https://cdn.shopify.com/s/files/1/0431/6404/1373/files/online_form_of_sainik_school_2018.pdf
- https://cdn.shopify.com/s/files/1/0430/9568/7328/files/animal_farm_chapter_wise_summary.pdf
- https://cdn.shopify.com/s/files/1/0433/1687/1326/files/fetidesatogemumopoxeneli.pdf
- https://cdn.shopify.com/s/files/1/0430/6924/3549/files/39485939398.pdf
- https://cdn.shopify.com/s/files/1/0430/2651/4077/files/7258887937.pdf
- https://cdn.shopify.com/s/files/1/0434/5335/0053/files/2155_john_deere.pdf
- https://cdn.shopify.com/s/files/1/0437/6661/2119/files/bungay_high_school_and_sixth_form_centre.pdf
- https://cdn.shopify.com/s/files/1/0434/1379/9066/files/30034526151.pdf
- https://cdn.shopify.com/s/files/1/0431/6119/0554/files/31427504413.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_off0000486c.bin61b25f0e82d4c74834a648309962949f48ce9e0f429e53af5061f5572b1084ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x486C | 5880 bytes |
font_01_sfnt_off00005c71.binbf7274ed21afb4ccccfbf91fafbaeb38fa66c7edc5b3e22f596fa78706d08dcf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C71 | 9664 bytes |
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