MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains heuristics indicating it's a malicious redirector, specifically designed for phishing or malware distribution. The embedded URL, https://traffine.ru/aws?utm_term=present+perfect+and+past+simple+exercises+worksheets, is flagged as malicious and part of an SEO lure. ClamAV also detected it as Pdf.Phishing.Trojan. The document body, though heavily obfuscated, suggests a lure related to educational worksheets, aligning with common phishing tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9729
Heuristics 4
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 https://traffine.ru/aws?utm_term=present+perfect+and+past+simple+exercises+worksheets In PDF document text
- https://static.s123-cdn-static.com/uploads/4383924/normal_5fde600078283.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365539/normal_5f9285e052793.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393515/normal_5ffae3b670bb0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4384650/normal_5ff354c09ed0f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4488339/normal_5fdffda1ee8ca.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421611/normal_5fa06f65f2f06.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470399/normal_5fd68c504d81b.pdfIn PDF document text
- https://cdn.sqhk.co/zudilubal/ig2ihji/fonivotewonu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4373992/normal_5fc5a11f62438.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421776/normal_5fed082dc75c7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446649/normal_5fbe59e696774.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376103/normal_5fffb90b9bc0f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4406208/normal_5fad815c2331f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/vapite/operation_listo_drrm_plan_template.pdfIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fca8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCA8 | 5620 bytes |
SHA-256: f9536b1b966b802e2f4f71ab88b6e43a1f7b4a593ba4515aa9ff0d686c7e6383 |
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