MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=samyutta+nikaya+pdf+download', suggesting a lure for downloading content. The ML classifier strongly indicated maliciousness, and the PDF structure itself is flagged for containing a mass external PDF link farm.
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=samyutta+nikaya+pdf+download
- http://files.lulingicehousepottery.com/uploads/1/3/1/3/131382032/mamomabajebede_doketi_muzus.pdf
- http://files.morlinaevents.com/uploads/1/3/0/8/130873918/9780613.pdf
- http://files.simpleandsubversive.com/uploads/1/3/0/7/130776401/5160228.pdf
- https://cdn.shopify.com/s/files/1/0427/6905/5911/files/sabotozetajijixegon.pdf
- https://cdn.shopify.com/s/files/1/0436/9688/1814/files/makuwog.pdf
- https://cdn.shopify.com/s/files/1/0432/6454/0835/files/bangladesh_bank_officer_seat_plan.pdf
- https://cdn.shopify.com/s/files/1/0428/6559/0438/files/62849678357.pdf
- https://cdn.shopify.com/s/files/1/0438/0295/1842/files/76922967282.pdf
- https://cdn.shopify.com/s/files/1/0431/8684/7904/files/19853688729.pdf
- https://cdn.shopify.com/s/files/1/0432/1977/9742/files/41443791998.pdf
- https://cdn.shopify.com/s/files/1/0450/1677/6868/files/al_madina_quran.pdf
- https://cdn.shopify.com/s/files/1/0428/6083/9079/files/pinolesafasugiwefitijar.pdf
- https://cdn.shopify.com/s/files/1/0436/9183/5545/files/nurubu.pdf
- https://cdn.shopify.com/s/files/1/0431/6299/2801/files/95349668686.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zinigezumapafukutogu.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_off0000619f.bin873148d241f737e90f76b8b2ae6a5a6ad22cfe4e9af553af23616418b207ba3d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x619F | 5272 bytes |
font_01_sfnt_off000073a4.bin6b309802a06b13446421e2d0912dd3d64c1aa0ca6b6ae6e8bc37d6dac07ec984 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73A4 | 10128 bytes |
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