MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating an advance-fee scam lure. The embedded URL `https://medvor.ru/pbw?utm_term=compress+pdf+into+300kb` is likely the primary vector for the attack, aiming to redirect users to a malicious site. No scripts were extracted, but the PDF structure and heuristics strongly suggest a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 5
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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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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External URI info PDF_URIPDF contains an external URL action
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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://medvor.ru/pbw?utm_term=compress+pdf+into+300kb
- https://cdn-cms.f-static.net/uploads/4484355/normal_60c3f48c9ea82.pdf
- https://cdn-cms.f-static.net/uploads/4480402/normal_6035c423c2c0c.pdf
- https://cdn-cms.f-static.net/uploads/4422628/normal_6014cad377980.pdf
- https://cdn-cms.f-static.net/uploads/4485801/normal_60b836d4bee5e.pdf
- https://cdn-cms.f-static.net/uploads/4420432/normal_6044cdc3de6a5.pdf
- https://cdn-cms.f-static.net/uploads/4419818/normal_6013f62cbfea9.pdf
- https://static.s123-cdn-static.com/uploads/4449397/normal_5fef5124c91c4.pdf
- https://static.s123-cdn-static.com/uploads/4425255/normal_5ffbb989b5745.pdf
- https://cdn-cms.f-static.net/uploads/4369653/normal_5fe92e940b511.pdf
- https://cdn-cms.f-static.net/uploads/4402244/normal_60170ff7ae933.pdf
- https://static.s123-cdn-static.com/uploads/4491687/normal_5fca2e142a34f.pdf
- https://static.s123-cdn-static.com/uploads/4391013/normal_5feb0e4429213.pdf
- https://cdn-cms.f-static.net/uploads/4484818/normal_605bf4ae349f3.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/9f9e938c-0ad2-4db0-9af2-bb5bfe59d606/namefusinunasogazova.pdf
- https://uploads.strikinglycdn.com/files/a09a5003-75e1-45ce-ae03-ad47785a80ea/55032837089.pdf
- https://uploads.strikinglycdn.com/files/7d826f60-715a-46d9-bb2f-a79c7cf5cf02/which_is_more_polar_ferrocene_acetylferrocene_or_diacetylferrocene.pdf
- https://uploads.strikinglycdn.com/files/7ecd4cf7-13ae-45a4-a639-7b25f73951ff/90802106209.pdf
- https://uploads.strikinglycdn.com/files/d389e531-69dc-4fe1-8fc3-e875f0d19b90/one_thing_remains_lyrics_and_chords.pdf
- https://uploads.strikinglycdn.com/files/4a4d791a-25e9-4b75-a6d1-a3d170cd6189/samsung_un55d6000_manual.pdf
- https://uploads.strikinglycdn.com/files/f99ebee1-f971-4a00-9d79-5da381bef876/jopilixatamewufivexipu.pdf
- https://uploads.strikinglycdn.com/files/a0de2d80-341d-4f95-8b8a-6866dd2ab5f2/gramtica_inglesa_para_hispanohablantes_segunda_edicin.pdf
- https://uploads.strikinglycdn.com/files/51ede344-552a-45b2-999b-b4cfd9b4630a/33704271962.pdf
- https://uploads.strikinglycdn.com/files/9ab70c9b-464a-4ccb-9b6c-acda8a13687e/wahl_trimmer_blades_replacement.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_off0000ef34.binba2a105e8353bd996c070452fb01d912068ae1a98eb17bb2706575eeb9f98c04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF34 | 5360 bytes |
font_01_sfnt_off00010156.binb9408625182217a001434efa7da8686b2bbbd4e60988c325ed5bfb64cc93b9a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10156 | 11048 bytes |
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