MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to a URL that appears to be a lure for software downloads. The ML classifier and ClamAV also flagged this PDF as malicious, with ClamAV identifying it as a phishing trojan. The embedded URL is likely intended to redirect the user to a malicious site to download malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://cctraff.ru/123?keyword=photo+studio+pro+apk+download
- https://cdn-cms.f-static.net/uploads/4424996/normal_5f9af7742c5d0.pdf
- https://cdn-cms.f-static.net/uploads/4408589/normal_5f9dd75a4a9dc.pdf
- https://cdn-cms.f-static.net/uploads/4369519/normal_5f88887d1c240.pdf
- https://winomumamo.weebly.com/uploads/1/3/1/0/131070375/5c8067d7.pdf
- https://cdn-cms.f-static.net/uploads/4370066/normal_5f899f76a2e1c.pdf
- https://minikugonon.weebly.com/uploads/1/3/4/5/134500064/e326b68f3fa11e.pdf
- https://cdn-cms.f-static.net/uploads/4387919/normal_5fa334168ecae.pdf
- https://wetejitaxazis.weebly.com/uploads/1/3/4/3/134306742/8854657.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/cfedf305-148e-4b85-a74e-a1167283fa2f/wemoluritirir.pdf
- https://uploads.strikinglycdn.com/files/e43388df-099a-4e72-8a69-682f89eadd6f/kilegibuwazadusud.pdf
- https://uploads.strikinglycdn.com/files/11934393-f0ab-4171-b59a-76c0f4efad7d/hwarang_ep_12_eng_sub_kissasian.pdf
- https://s3.amazonaws.com/fulazelof/6395104425.pdf
- https://uploads.strikinglycdn.com/files/264874a0-823f-4012-8a12-e430a10eebb5/minecraft_mirrors_edge_map.pdf
- https://uploads.strikinglycdn.com/files/c8415bd0-d7cf-4b35-92b0-4e475f21c214/calculate_tax_return_for_2020.pdf
- https://uploads.strikinglycdn.com/files/a844a7f5-0bb7-44c9-bb86-1d5872c447ea/12227800597.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_off0000c94d.bind1b97503e47d7e8ddf15b4e5d0820639952b81d603edf98a9e72ee09510eb018 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC94D | 5204 bytes |
font_01_sfnt_off0000db07.bin890b1aa1c0aa363a5b0edb3206c5d74c23246f965d01313848d25a27a9546559 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB07 | 10928 bytes |
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