MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one to a known malicious redirector, suggesting an attempt to lead the user to a malicious site. The document body, though heavily obfuscated, appears to be related to academic assignments, a common lure. The ML classifier strongly indicates maliciousness, and the presence of embedded URLs supports a phishing or redirection attack pattern.
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.cc/pify?keyword=aiou+solved+assignment+2+code+1424+spring+2020+pdf
- http://files.metaphorboutique.com/uploads/1/3/1/4/131453615/sikotuzawoxupe-pujarikolapa-zibukasasa-joleki.pdf
- http://files.eaglepointirrigation.com/uploads/1/3/2/6/132681150/misidalobinilal.pdf
- http://files.atxsandlot.com/uploads/1/3/1/4/131437064/8126739.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/0688/6051/files/48008878126.pdf
- https://cdn.shopify.com/s/files/1/0433/3764/6245/files/jobiwirimozemovu.pdf
- https://cdn.shopify.com/s/files/1/0435/4143/0440/files/rexoxadopodizujulub.pdf
- https://cdn.shopify.com/s/files/1/0433/2729/1542/files/kokasages.pdf
- https://cdn.shopify.com/s/files/1/0434/3624/5142/files/lorixukinepuko.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tazoxusejeko.pdf
- https://cdn.shopify.com/s/files/1/0427/5719/3895/files/42223523518.pdf
- https://cdn.shopify.com/s/files/1/0429/7896/7703/files/47181179039.pdf
- https://cdn.shopify.com/s/files/1/0430/4207/8877/files/81128230468.pdf
- https://cdn.shopify.com/s/files/1/0430/7592/8215/files/69671522764.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000088d9.bin82654765ae49cea599af3f104f87c826d60bb3d86fb415cf0817c640f85e693b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88D9 | 5820 bytes |
font_01_sfnt_off00009c95.bin236c006f8ac502fe18ab0d85e79ad2d5ec9825334f2d94bc7ca77080c2049286 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C95 | 1592 bytes |
font_02_sfnt_off0000a4b4.bin89c4e7c8b5a66b1ba9b73fb93b7d9f325d12d342a454b5f62151ac807106c464 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA4B4 | 10628 bytes |
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