MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, many of which point to domains associated with link farms and redirectors. The primary malicious URL identified is https://ttraff.ru/wb?keyword=printable%20quotes%20black%20and%20white%20pdf, which is likely used to direct users to further malicious content. The document body, though partially obfuscated, contains references to printable quotes and the wkhtmltopdf tool, suggesting a lure to disguise the malicious links. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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/wb?keyword=printable%20quotes%20black%20and%20white%20pdf
- http://files.knealenotarypublic.co.uk/uploads/1/3/1/4/131437225/dd0b561683.pdf
- http://files.littlesharkandco.com/uploads/1/3/0/7/130739769/470126.pdf
- http://files.thewritemoment.blog/uploads/1/3/1/4/131409055/3256791.pdf
- http://files.mrsbscusd.com/uploads/1/3/1/4/131407155/zonutidigobi.pdf
- http://files.harrisburghigh.org/uploads/1/3/1/3/131379371/d7ff44.pdf
- http://files.cutfoil.com/uploads/1/3/1/4/131453725/vezilozo.pdf
- http://files.bcbpnyc.com/uploads/1/3/1/8/131856135/2482827.pdf
- http://files.ruthworkssf.com/uploads/1/3/1/4/131453560/2216902.pdf
- http://files.maidtoshineservices.net/uploads/1/3/1/4/131437268/29f33e.pdf
- https://zivudubu.files.wordpress.com/2020/06/84022799061.pdf
- https://sikazagoze.files.wordpress.com/2020/06/62443653232.pdf
- https://ladareguk.files.wordpress.com/2020/06/33858617626.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004e94.binbb071adad33f1984d16d2beae1aa8e7081daf2f21f747e9ca9d2f639e04f1ead |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E94 | 5548 bytes |
font_01_sfnt_off0000615e.bine9a5a1f6ed95b1e3669933bb00002ad32a1708c3e0b735191cad5e02368a6c7d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x615E | 1800 bytes |
font_02_sfnt_off000069ec.bina5f10f25d331ad159c09322a0c24fd4ec31f5c6b81de91691de8317ac959d1aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69EC | 10388 bytes |
font_03_sfnt_off00008d68.bin531e37f64a2e7dc3bfb257675d9e6c644c7b1597f33ba9a969cd005a7ed65660 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D68 | 16312 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.