MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, characteristic of a link farm. One of these links, 'https://ttraff.ru/pify?keyword=feedback+amplifiers+notes+pdf', is identified as a malicious redirector. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the malicious URL, reinforcing the attack pattern.
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=feedback+amplifiers+notes+pdf
- http://nanesa.drlindaford.com.au/uploads/1/3/0/8/130874493/8965338.pdf
- http://files.tenwebtv.com/uploads/1/3/1/0/131069899/6ec828f1ca7121.pdf
- http://files.aldercraft.com/uploads/1/3/0/7/130740033/vomeb_tulavuxu_xituvenelexufoz.pdf
- http://files.veagym.com/uploads/1/3/1/6/131606874/3857825.pdf
- https://cdn.shopify.com/s/files/1/0428/5543/2348/files/kovowofajotebuvefaxerola.pdf
- https://cdn.shopify.com/s/files/1/0431/8317/7885/files/40757684404.pdf
- https://cdn.shopify.com/s/files/1/0429/5249/1159/files/wiragedufevelubulit.pdf
- https://cdn.shopify.com/s/files/1/0434/0642/6275/files/58640739945.pdf
- https://cdn.shopify.com/s/files/1/0429/8371/9071/files/89854042549.pdf
- https://cdn.shopify.com/s/files/1/0431/8419/3697/files/3370210723.pdf
- https://cdn.shopify.com/s/files/1/0429/1877/2903/files/cambridge_igcse_biology_notes.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/18396470220.pdf
- https://cdn.shopify.com/s/files/1/0431/2684/9700/files/bidikajawilefovure.pdf
- https://cdn.shopify.com/s/files/1/0432/4016/1435/files/14476711468.pdf
- https://cdn.shopify.com/s/files/1/0428/9495/0556/files/nopexezotinajegedegavu.pdf
- https://cdn.shopify.com/s/files/1/0434/0056/0803/files/63566374212.pdf
- https://cdn.shopify.com/s/files/1/0431/7665/7051/files/gosujililezibivobeduzux.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_off000072ef.bind47e11963f42ca5965bed1706feb96e95ba8825e49557ef188bae59266e68d25 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72EF | 5460 bytes |
font_01_sfnt_off0000856a.bine8ab0732f0cf98a6c2cc08ae29d39646beaa833a42f0fcf0a7e4a493ad06bd8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x856A | 10332 bytes |
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