MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged as malicious by a machine learning classifier and contains numerous embedded links. One of these links, 'https://ttraff.ru/pify?keyword=three+js+github', points to a known malicious redirector. The presence of a link farm suggests an attempt to distribute malicious content or conduct phishing operations. No scripts were extracted, but the structure and link farm indicate a malicious intent.
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=three+js+github
- http://files.lillymholland.com/uploads/1/3/1/4/131437683/7bd370c.pdf
- http://files.savemetislighthouse.org/uploads/1/3/1/0/131069789/vemopegeju.pdf
- http://files.seattlegolfnews.com/uploads/1/3/1/1/131163737/1925660.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/11783771814.pdf
- https://cdn.shopify.com/s/files/1/0435/7668/8798/files/73101799362.pdf
- https://cdn.shopify.com/s/files/1/0427/4490/5884/files/pokemon_gif_sprites.pdf
- https://cdn.shopify.com/s/files/1/0430/3880/2073/files/nuxejip.pdf
- https://cdn.shopify.com/s/files/1/0430/1848/5923/files/dimupinisikon.pdf
- https://cdn.shopify.com/s/files/1/0437/3685/8776/files/91949580418.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/58585016777.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mefiwi.pdf
- https://cdn.shopify.com/s/files/1/0436/0945/6803/files/jaxemajaxunumikomifariv.pdf
- https://cdn.shopify.com/s/files/1/0435/1839/4527/files/google_baseurl_search.pdf
- https://cdn.shopify.com/s/files/1/0432/2754/5763/files/ximidipilijomig.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_off00006281.bin471e448d0cf907fbf9a1d546e35a70643720aee466893ec5e6e834bf405c9dd8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6281 | 4872 bytes |
font_01_sfnt_off00007311.bin04952d7e5bd32fd53bd6c26db15da554c6d0a50b59bf4d28ce9331979bd675d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7311 | 15004 bytes |
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