MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, with one prominent URL pointing to a known malicious redirector. The document body, though heavily obfuscated, appears to contain the same malicious URL. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms the malicious nature of the link, and 'PDF_SEO_LINK_FARM' indicates a large number of outbound links, suggesting a spam or SEO manipulation tactic. The ML classifier also strongly flagged this PDF as malicious.
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=cancer+cachexia+understanding+the+molecular+basis+pdf
- http://files.guntervolleyball.com/uploads/1/3/1/3/131381640/365623bf9fb.pdf
- http://files.sligogreenway.com/uploads/1/3/1/4/131407135/retegopifenat.pdf
- http://nusunog.rozannaartist.co.uk/uploads/1/3/0/8/130814328/rowel.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/8942/8637/files/catalog_sample.pdf
- https://cdn.shopify.com/s/files/1/0429/9977/5381/files/17064975142.pdf
- https://cdn.shopify.com/s/files/1/0448/0499/7271/files/convert_to_d_d_5e.pdf
- https://cdn.shopify.com/s/files/1/0432/7764/8027/files/nakemuzezigowuje.pdf
- https://cdn.shopify.com/s/files/1/0433/2745/5400/files/wivabutinojanewefe.pdf
- https://cdn.shopify.com/s/files/1/0429/9925/1093/files/vubatiwawetafex.pdf
- https://cdn.shopify.com/s/files/1/0431/4107/1016/files/11702799035.pdf
- https://cdn.shopify.com/s/files/1/0428/6591/8118/files/remove_crop_marks_from_adobe_acrobat_dc.pdf
- https://cdn.shopify.com/s/files/1/0430/5158/1597/files/linukadadolan.pdf
- https://cdn.shopify.com/s/files/1/0435/5024/5028/files/misudelipelov.pdf
- https://cdn.shopify.com/s/files/1/0436/2534/9283/files/lubanememibas.pdf
- https://cdn.shopify.com/s/files/1/0431/0371/5489/files/sakafovigedidobanokixe.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_off0000c050.bin45625fdd62e6f702be46652eacda16cd5f74b338577003bd3653c2e0c47ba839 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC050 | 5684 bytes |
font_01_sfnt_off0000d372.bin6471dc950ead68625623735425b0dba2f64f05b2d15a0c95ac568775444f219c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD372 | 11264 bytes |
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