MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to `ttraff.com`. This URL is embedded within the document body, disguised as a tutorial. The file also exhibits characteristics of a link farm, with numerous external PDF links, many of which are hosted on Shopify. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of 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.com/pify?keyword=coreldraw+x7+tutorial+pdf+books
- http://files.icleanservice.co.uk/uploads/1/3/1/4/131407315/5fff2b1e.pdf
- http://peped.jessiebeefit.com/uploads/1/3/2/6/132681590/ac47f6d06c.pdf
- http://sonisejul.kaseystertz.com/uploads/1/3/0/7/130739430/ginebawo.pdf
- http://files.backpackconnections.com/uploads/1/3/1/8/131856285/zuxarexo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0439/8232/3870/files/historia_cateter_venoso_central.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vevisip.pdf
- https://cdn.shopify.com/s/files/1/0431/6974/2999/files/biripe.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jatebilebasa.pdf
- https://cdn.shopify.com/s/files/1/0432/2482/6014/files/lisipawoxutugud.pdf
- https://cdn.shopify.com/s/files/1/0428/9599/9129/files/lugovivoduwipinadutugo.pdf
- https://cdn.shopify.com/s/files/1/0435/6934/8763/files/zudulamoto.pdf
- https://cdn.shopify.com/s/files/1/0430/8513/6021/files/doxivurekavevel.pdf
- https://cdn.shopify.com/s/files/1/0433/1533/1227/files/xemosisekevusuvowirolar.pdf
- https://cdn.shopify.com/s/files/1/0430/9054/2743/files/fupofuvigik.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_off000044da.bin8bb25fa70359d53870edd9c0e812aea45184ff077823494e61acd8485a0bfbe6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x44DA | 5384 bytes |
font_01_sfnt_off00005750.binca01d3ae01ac59808cb748062ea48a49a2207af7f29ebf2bb68177c308425f42 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5750 | 8836 bytes |
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