MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.ru, which is likely intended to lead the user to a malicious site. The document body, though heavily obfuscated, contains the URL and appears to be a lure related to a PDF book. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it's designed for malicious redirection.
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=su+alteza+serenisima+libro+pdf
- http://files.dollardsoccer.ca/uploads/1/3/0/7/130775413/2467931.pdf
- http://vefevijak.summerhandballcamp.com/uploads/1/3/1/6/131637254/wutevugokapigavova.pdf
- http://files.zikhafrimainecoon.com/uploads/1/3/1/3/131398347/tapejimiwatipub_molewutunowotun.pdf
- https://cdn.shopify.com/s/files/1/0433/5783/1326/files/96116856712.pdf
- https://cdn.shopify.com/s/files/1/0433/6707/1894/files/tubonemew.pdf
- https://cdn.shopify.com/s/files/1/0432/8020/3944/files/camtasia_studio_8_manual_espaol.pdf
- https://cdn.shopify.com/s/files/1/0433/8227/6257/files/livestock_production_and_climate_change.pdf
- https://cdn.shopify.com/s/files/1/0433/9433/4869/files/25781032299.pdf
- https://cdn.shopify.com/s/files/1/0430/7822/1973/files/64797867013.pdf
- https://cdn.shopify.com/s/files/1/0428/8030/3270/files/muririnifosute.pdf
- https://cdn.shopify.com/s/files/1/0432/4121/0024/files/suzuki_intruder_vs800_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/5637/3659/files/cch_chuyn_file_nh_sang_word.pdf
- https://cdn.shopify.com/s/files/1/0440/8524/8165/files/north_american_free_trade_agreement_certificate_of_origin.pdf
- https://cdn.shopify.com/s/files/1/0437/1313/4757/files/lidaki.pdf
- https://cdn.shopify.com/s/files/1/0429/6579/4965/files/12326059168.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_off00006e64.bin44d0ab3db08b9c1ecb9eb6147afbf2add653cdbe8e2f2e33312a64917627f384 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E64 | 5480 bytes |
font_01_sfnt_off000080ea.binc30328d1232b738b3c77169f6a4ee681300a23c6734c51794cae24dfad2ca92d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80EA | 11280 bytes |
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