MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, appears to be a lure related to academic research, likely intended to trick users into clicking the malicious links.
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.com/pify?keyword=research+about+academic+performance+of+students+pdf
- http://files.heartawakemindfulness.com/uploads/1/3/0/7/130738513/9142260.pdf
- http://files.risawechsler.com/uploads/1/3/1/4/131406412/37116e87f29.pdf
- http://files.northlandfloorlaying.co.nz/uploads/1/3/0/7/130775867/8409356.pdf
- http://files.cameronayres.com/uploads/1/3/0/7/130739996/gatazaro.pdf
- http://files.tigercamp432.org/uploads/1/3/1/4/131452988/pokewaxudasenomolus.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/8413/6086/files/tapefosus.pdf
- https://cdn.shopify.com/s/files/1/0428/2158/3004/files/66296312652.pdf
- https://cdn.shopify.com/s/files/1/0433/4406/8773/files/winuzevazuvu.pdf
- https://cdn.shopify.com/s/files/1/0433/4986/8703/files/38532612786.pdf
- https://cdn.shopify.com/s/files/1/0432/1725/6603/files/52321085417.pdf
- https://cdn.shopify.com/s/files/1/0431/7226/6138/files/97455315639.pdf
- https://cdn.shopify.com/s/files/1/0432/3128/1312/files/23268542234.pdf
- https://cdn.shopify.com/s/files/1/0434/3519/6566/files/zajiko.pdf
- https://cdn.shopify.com/s/files/1/0434/6255/7856/files/fufosefa.pdf
- https://cdn.shopify.com/s/files/1/0431/0319/1193/files/24120355882.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_off0000a928.bin378ec7b5820d53ee7f4f875dd6223c59c10dd5f2fcaee816075d7f94e1eb3125 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA928 | 5392 bytes |
font_01_sfnt_off0000bb4b.bin30d654cf748c993ce520dba499c22e7339d999339bf4e0137e7b465cba8a9777 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB4B | 10324 bytes |
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