MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous external links, including a suspicious URL hosted on 'mezovuduw.ru', suggesting it's part of a link farm or SEO manipulation scheme. The document body, though heavily obfuscated, contains keywords related to the embedded URL, reinforcing the lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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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.
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://mezovuduw.ru/wix?keyword=foam+head+for+wigs
- https://static.s123-cdn-static.com/uploads/4421959/normal_5fe3dde4a8b1c.pdf
- https://cdn-cms.f-static.net/uploads/4468823/normal_601710d0ecbab.pdf
- https://cdn-cms.f-static.net/uploads/4490365/normal_601f832474ea8.pdf
- https://cdn-cms.f-static.net/uploads/4381748/normal_60403f37cefe9.pdf
- https://static.s123-cdn-static.com/uploads/4369794/normal_5fddf6684d6ea.pdf
- https://static.s123-cdn-static.com/uploads/4444366/normal_5fc692dedae93.pdf
- https://cdn-cms.f-static.net/uploads/4482009/normal_602949483819f.pdf
- https://cdn-cms.f-static.net/uploads/4367645/normal_6022b6b75d21f.pdf
- https://cdn-cms.f-static.net/uploads/4446633/normal_6010aae3e2253.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://e1bd05e7-a2ed-43df-b5fc-9bc8ee0b1a84.filesusr.com/ugd/08acf3_7712258a894a45d0bbbd55e550285c39.pdf?index=true
- https://uploads.strikinglycdn.com/files/87fefa77-7468-4b28-b71c-04e4d1972e70/does_accu_chek_aviva_plus_have_bluetooth.pdf
- https://1fc3e790-19e1-43b7-bae7-d09a953f51fe.filesusr.com/ugd/2c608b_4768dae1e69346d981d38e7c9eccba76.pdf?index=true
- https://0dea665b-aaaa-42f3-a52c-f86f0fd1efa2.filesusr.com/ugd/8b9728_dad340d29b034addaf8d9867c5bd7ef1.pdf?index=true
- https://uploads.strikinglycdn.com/files/a9c2cefc-7a6a-4359-91bb-70c940f27861/fiwiwuterejasi.pdf
- https://8aefc570-8454-48c3-bb63-d4d1067b7ce0.filesusr.com/ugd/5c9621_515c09623cb145b1893b8604c0c7f17d.pdf?index=true
- https://uploads.strikinglycdn.com/files/4b31e480-5892-4ef5-801a-5c005b70948e/togiseporufiveninitetowe.pdf
- http://paguxesij.myartsonline.com/weather_and_climate_activities_for_3rd_grade.pdf
- https://77701ba7-c5ad-4750-ab17-5b03548f7fc0.filesusr.com/ugd/9a242c_094e34836917459fbebf2d298372a598.pdf?index=true
- http://kivozusemu.atwebpages.com/pemevadok.pdf
- https://72dfff08-f6cb-4f5d-aaac-ebe71175d6a6.filesusr.com/ugd/c268f7_f180b9a13b2f4b1db21fb8f5b4914fb3.pdf?index=true
- https://6fd4412c-3e6e-4f21-a9af-8137ffc6c0d9.filesusr.com/ugd/03469c_0d2857bc313d498396fb821fe073d898.pdf?index=true
- https://6a24fdd2-d4a5-4c4b-882b-0f3115751bcf.filesusr.com/ugd/04e6f9_f9bf299dc16048209ee80c667f758562.pdf?index=true
- https://ff06b2c9-6223-4357-b4d5-1bf3807c749f.filesusr.com/ugd/717131_b4a037f1fe664c6b9347cbf03c263b97.pdf?index=true
- https://uploads.strikinglycdn.com/files/1fd9f510-31d4-4085-8e70-675adb8d4a70/vishnu_sahasranamam_procedure.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_off0000f1e2.binabac44dd7f3961fa2a475a8154ab641059b3c15bda9b6283a7a66cb360740e41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E2 | 5336 bytes |
font_01_sfnt_off000103f9.bin59b6e94f2f2ddbe8e6c8e6ec7a2b36ac6aa326762f0d6e9f1cbfb1e73d771652 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103F9 | 10544 bytes |
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