MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm and a redirector link, indicating a malicious intent to direct users to potentially harmful content. The embedded URL 'https://ttraff.ru/pify?keyword=template+of+motivation+letter+for+scholarship' is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to scholarship motivation letters, likely serving as a lure.
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=template+of+motivation+letter+for+scholarship
- http://files.winwithwill.com/uploads/1/3/0/9/130969580/7032533.pdf
- http://files.cabincreekanimalhospital.com/uploads/1/3/1/4/131437376/duganesulirunen-pukuzupubu-tababumorovewi-gubasevaf.pdf
- http://files.electrolarynx.com/uploads/1/3/1/6/131637546/petonimefedife.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/7170/9092/files/tivetotinekakakumipadu.pdf
- https://cdn.shopify.com/s/files/1/0430/2834/9085/files/dimozugo.pdf
- https://cdn.shopify.com/s/files/1/0430/0875/3827/files/pibawo.pdf
- https://cdn.shopify.com/s/files/1/0428/2767/7852/files/91329990409.pdf
- https://cdn.shopify.com/s/files/1/0434/7478/0312/files/99058764272.pdf
- https://cdn.shopify.com/s/files/1/0434/4024/2840/files/44115029977.pdf
- https://cdn.shopify.com/s/files/1/0433/9705/4631/files/william_stallings_operating_systems.pdf
- https://cdn.shopify.com/s/files/1/0433/1700/2405/files/concrete_admixture.pdf
- https://cdn.shopify.com/s/files/1/0432/3577/0532/files/18484803643.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_off000076f8.bindeff5cf092e752f79ae6d1bd4fddb51ee640894aa34ef2cd5442bf0fca0b1cc4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76F8 | 5264 bytes |
font_01_sfnt_off000088be.bin58dce284407eb4b5516d3458ab9061075c324b57c1a62d0a8f643efec2e7cef2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88BE | 10820 bytes |
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