MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the critical PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The primary malicious URL is https://ttraff.ru/pify?keyword=autobiography+of+a+yogi+gujarati+pdf. The document body, though heavily obfuscated, contains this URL and other links, suggesting a social engineering tactic to trick users into clicking through to potentially harmful content. The ML classifier also strongly indicated maliciousness.
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=autobiography+of+a+yogi+gujarati+pdf
- http://files.mysacredgrounds.com/uploads/1/3/1/3/131379899/wutij.pdf
- http://files.touchofhaven.ca/uploads/1/3/0/9/130969148/kagewapuliz-kiwekeso.pdf
- http://nebuzo.theothershoe.net/uploads/1/3/1/6/131637814/221a4c7c4c4c.pdf
- https://cdn.shopify.com/s/files/1/0434/4964/7254/files/adobe_premiere_free_alternative.pdf
- https://cdn.shopify.com/s/files/1/0430/7881/1810/files/lidikikalit.pdf
- https://cdn.shopify.com/s/files/1/0437/1628/0469/files/bosquejos_para_predicadores_gratis.pdf
- https://cdn.shopify.com/s/files/1/0432/5031/9517/files/biziminuwivojaguju.pdf
- https://cdn.shopify.com/s/files/1/0435/9651/3448/files/vmware_certification_study_guide.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pejuzesuloroxutebed.pdf
- https://cdn.shopify.com/s/files/1/0429/5871/7087/files/appendicular_skeletal_system.pdf
- https://cdn.shopify.com/s/files/1/0431/6377/9240/files/temevalimabosalapi.pdf
- https://cdn.shopify.com/s/files/1/0432/7014/4166/files/60974550864.pdf
- https://cdn.shopify.com/s/files/1/0439/3215/6059/files/89915230339.pdf
- https://cdn.shopify.com/s/files/1/0433/3826/8827/files/rubuzopisurobediruki.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000667c.binf874d77d831c3cd9fdd9976c117b7d3d019a8bfb1d2ab4bbd9af1f3cadf3da8a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x667C | 5400 bytes |
font_01_sfnt_off000078df.bin6f48894c16ecd31f839f5c4991c46bd9b1e4054e9440faeec6509c36ff7e1aa6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78DF | 10316 bytes |
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