MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=deep+learning+techniques+pdf'. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to trick users into clicking it. The presence of numerous other PDF links further supports the 'PDF_SEO_LINK_FARM' heuristic, indicating a likely attempt to drive traffic to malicious sites.
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/pify?keyword=deep+learning+techniques+pdf
- http://files.mss4ball.net/uploads/1/3/2/3/132302710/nanekene_zugofar_dilomuzeziwud.pdf
- http://files.dvfk.org/uploads/1/3/0/7/130740483/bafemamukabugabe.pdf
- http://files.newcastlelibraryfriends.org/uploads/1/3/1/4/131454459/7b9be02c4a495a.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/7337/1300/files/wulozakatefefejebowene.pdf
- https://cdn.shopify.com/s/files/1/0431/5817/5893/files/bedaduji.pdf
- https://cdn.shopify.com/s/files/1/0428/5969/2198/files/37706353668.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pejuzesuloroxutebed.pdf
- https://cdn.shopify.com/s/files/1/0433/2650/5128/files/91826686392.pdf
- https://cdn.shopify.com/s/files/1/0435/3523/7269/files/hamming_distance_c.pdf
- https://cdn.shopify.com/s/files/1/0431/5398/1594/files/zelawenajivavusexexoki.pdf
- https://cdn.shopify.com/s/files/1/0432/4953/3088/files/to_love-_ru_fanservice.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rinajimakonewob.pdf
- https://cdn.shopify.com/s/files/1/0431/7813/1611/files/nogafiwezex.pdf
- https://cdn.shopify.com/s/files/1/0431/2023/0564/files/ninidi.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_off00017ab4.bin4ab6d0412839329ae66bf63d41cbb02391b7b0836e4e6fae789af9f675c6fb0e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17AB4 | 5540 bytes |
font_01_sfnt_off00018d82.bin544ddfbe6071b6aed4c48fd9e41973d071b19360058a37e756c315b4ab11b213 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18D82 | 11272 bytes |
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