MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to what appears to be a link farm designed to mimic search results for PDFs. One prominent link redirects to a known malicious domain, ttraff.ru, suggesting a phishing or malware distribution attempt. The ML classifier also strongly indicated maliciousness.
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=doing+bayesian+data+analysis+second+edition+pdf
- http://xujak.triggerindustriesinc.com/uploads/1/3/1/4/131408024/a0bdc5e270cfeb0.pdf
- http://files.omnibusologist.com/uploads/1/3/2/6/132695543/jogamoboxejuresugi.pdf
- http://files.whitegallowaysofwayby.com/uploads/1/3/0/8/130873907/fewubogukobavel-sixomolimu-mifip.pdf
- http://files.dynamitekickboxing.com/uploads/1/3/1/4/131438299/52f75b6a2a1b.pdf
- http://files.thenakedfish.com/uploads/1/3/2/6/132696604/gutebo_waxab_vuviraxegexoru_vumobo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/7673/1558/files/fuwifo.pdf
- https://cdn.shopify.com/s/files/1/0434/2353/1175/files/54011939626.pdf
- https://cdn.shopify.com/s/files/1/0433/0507/4838/files/60951459715.pdf
- https://cdn.shopify.com/s/files/1/0428/8158/1209/files/lunozamopuwoxuvov.pdf
- https://cdn.shopify.com/s/files/1/0430/8166/2628/files/20652089562.pdf
- https://cdn.shopify.com/s/files/1/0432/2977/3982/files/fukipasititesed.pdf
- https://cdn.shopify.com/s/files/1/0433/7529/6670/files/pabak.pdf
- https://cdn.shopify.com/s/files/1/0432/4658/3976/files/62790028015.pdf
- https://cdn.shopify.com/s/files/1/0434/3712/9895/files/javascript_revealing_module_pattern.pdf
- https://cdn.shopify.com/s/files/1/0430/4617/4877/files/zusipuxes.pdf
- https://cdn.shopify.com/s/files/1/0437/6988/8917/files/microsoft_digital_imaging.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_off00005dd8.bin847ed262a55dc6c4175e585265423296e985dc3fd7a091ddc2a030efdf12c602 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DD8 | 5468 bytes |
font_01_sfnt_off00007092.bin5b4cfc67cba24f605f15d5d4c2665872447e1d9af8ce119fb5324d6f446e1c87 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7092 | 10108 bytes |
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