MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a heuristic firing for linking to known malicious redirector infrastructure, specifically `https://ttraff.ru/pify?keyword=anthropology+optional+upsc+books+pdf`. The document body also contains numerous links to external PDFs, suggesting a link farm or SEO poisoning attempt. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent.
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=anthropology+optional+upsc+books+pdf
- http://files.6thstagnesscoutinggroup.com/uploads/1/3/0/9/130969659/38d6b527.pdf
- http://files.2wolvesinc.com/uploads/1/3/1/3/131383760/tataza.pdf
- http://files.xtabentum.com/uploads/1/3/1/0/131070204/546590.pdf
- http://files.100womenwhocarenorthsuburbanchicago.com/uploads/1/3/1/1/131164185/9517547.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/7453/5067/files/eq2_crypt_of_betrayal.pdf
- https://cdn.shopify.com/s/files/1/0431/9058/3458/files/19762507803.pdf
- https://cdn.shopify.com/s/files/1/0430/4715/7914/files/29952515010.pdf
- https://cdn.shopify.com/s/files/1/0437/7565/6094/files/lolin.pdf
- https://cdn.shopify.com/s/files/1/0431/5168/7848/files/95693050835.pdf
- https://cdn.shopify.com/s/files/1/0428/5746/3971/files/7353003231.pdf
- https://cdn.shopify.com/s/files/1/0437/8905/8206/files/54417293838.pdf
- https://cdn.shopify.com/s/files/1/0430/5515/3303/files/52776845926.pdf
- https://cdn.shopify.com/s/files/1/0428/4389/8019/files/kiruxovufizajepu.pdf
- https://cdn.shopify.com/s/files/1/0431/2258/9853/files/lamoganitav.pdf
- https://cdn.shopify.com/s/files/1/0438/8736/2216/files/59210079095.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_off00006695.binac3fa7f431c8fdbb0300bb4ec996f21a73054ccf3a28ffa1c8b0af4f772da40f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6695 | 5712 bytes |
font_01_sfnt_off00007a0d.bin8cca76e76a8909755987c664072963629e04d6ee0adf280238b9993dd9c1dcba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A0D | 10004 bytes |
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