MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, suggests a lure related to 'casing design theory and practice pdf'. The presence of multiple external PDF links, many hosted on Shopify, indicates a link farm designed to distribute malicious content or traffic. The ML classifier strongly supports the malicious nature of this PDF.
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=casing+design+theory+and+practice+pdf
- http://files.northmoruyasolarfarm.com.au/uploads/1/3/1/4/131409463/nimimax-tigek-rokejelemi-jajolafagukojet.pdf
- http://files.perfectoclean.net/uploads/1/3/0/7/130739263/9996016.pdf
- http://files.kvag.net/uploads/1/3/0/7/130776346/3184610.pdf
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/28310415233.pdf
- https://cdn.shopify.com/s/files/1/0433/5419/4085/files/78161148909.pdf
- https://cdn.shopify.com/s/files/1/0434/1488/0405/files/zemebijikurigokulozuvezog.pdf
- https://cdn.shopify.com/s/files/1/0434/1052/2277/files/86892700444.pdf
- https://cdn.shopify.com/s/files/1/0429/8014/7359/files/96064087141.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gefoviliruvowej.pdf
- https://cdn.shopify.com/s/files/1/0429/6127/2983/files/simanowoxevu.pdf
- https://cdn.shopify.com/s/files/1/0433/8306/2678/files/14770279379.pdf
- https://cdn.shopify.com/s/files/1/0429/5681/6540/files/ditugufukakukexezixu.pdf
- https://cdn.shopify.com/s/files/1/0430/9309/8660/files/defawigopixiwenodudo.pdf
- https://cdn.shopify.com/s/files/1/0434/1910/7480/files/59166744871.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_off00007357.binb864a1d94a37b0375713f4216de9c3282885342ce13ff803f51dab66af7c5439 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7357 | 5300 bytes |
font_01_sfnt_off0000855a.binb9e472d4cc7aa377fa3438c76024563c0b69b845303366fc4b0f8285588c3c97 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x855A | 10000 bytes |
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