MALICIOUS
132
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link that redirects to a URL associated with malicious activity, likely to trick users into downloading malware disguised as a printer driver. The heuristic firings indicate the presence of a malicious redirector link within the PDF, and the ML classifier strongly suggests maliciousness. No scripts were extracted, but the embedded URL is the primary indicator of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 3
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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 http://botcraftman.ru/?lip&keyword=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B4%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80%D0%B0+%D0%B4%D0%BB%D1%8F+%D0%BF%D1%80%D0%B8%D0%BD%D1%82%D0%B5%D1%80%D0%B0+hp+deskjet+f2480&charset=utf-8 In PDF document text
- http://img1.liveinternet.ru/images/attach/c/7//4731/4731633_sumerki__saga__skachat_.pdfIn PDF document text
- http://img1.liveinternet.ru/images/attach/c/7//4731/4731646_skachat__proshivku__na_.pdfIn PDF document text
- http://img1.liveinternet.ru/images/attach/c/7//4731/4731183_street__legal__racing_.pdfIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000533de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x533DE | 9572 bytes |
SHA-256: fb0084ea281241471d0bb64dc019f68b392b4c0aa78025829aa5da68bd0d180c |
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font_01_sfnt_off00054f3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x54F3F | 14876 bytes |
SHA-256: cd3e20bae52af84fec3844640be28a2301535feb7912f7ad5c404e4384b082ed |
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