MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by an ML classifier and contains a significant number of embedded links, many pointing to potentially malicious redirectors. One critical heuristic identified links to known malicious redirector infrastructure, specifically 'https://ttraff.ru/pify?keyword=bluecoats+creep+sheet+music'. Another heuristic noted a PDF link farm with numerous external links, suggesting a coordinated effort to distribute malicious content. The document body itself is heavily obfuscated and contains some of the extracted URLs.
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=bluecoats+creep+sheet+music
- http://files.madpuzzler.com/uploads/1/3/0/7/130775191/xumidigirerafi.pdf
- https://cdn.shopify.com/s/files/1/0459/9051/0749/files/januzewemu.pdf
- https://cdn.shopify.com/s/files/1/0428/3170/8316/files/86399216002.pdf
- https://cdn.shopify.com/s/files/1/0432/8954/2809/files/revit_structures_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0429/4865/7318/files/22084845114.pdf
- https://cdn.shopify.com/s/files/1/0433/1595/3817/files/tifovuxomemejujasipu.pdf
- https://cdn.shopify.com/s/files/1/0438/6763/5867/files/86557131817.pdf
- https://cdn.shopify.com/s/files/1/0435/6145/1681/files/catalogo_recompensa_total_banorte_2020.pdf
- https://cdn.shopify.com/s/files/1/0433/3997/2773/files/29091139881.pdf
- https://cdn.shopify.com/s/files/1/0433/0127/3758/files/pusexamoxenijenojifetar.pdf
- https://cdn.shopify.com/s/files/1/0429/1916/6105/files/8888394920.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_off00003f73.bine5502d925b1366627e8394297ff2366f1784fa50c0a2fdf1f14a12ca65074665 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3F73 | 5224 bytes |
font_01_sfnt_off00005106.bin115dadb1a351ac47d940b803229bf36bcbf705b917537f377d5a7590c450f02e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5106 | 10816 bytes |
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