MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified an external URI and an SEO redirector link, suggesting a phishing lure for free downloads. The embedded URL `https://mezovuduw.ru/wix?keyword=buu+all+forms+and+transformations` is the primary indicator of this malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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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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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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=buu+all+forms+and+transformations PDF link annotation
- https://cdn.sqhk.co/furigelo/qGhguig/strategy_meaning_in_tamil_explain.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448991/normal_6022ecc2d39ec.pdfIn PDF document text
- https://cdn.sqhk.co/vujenibolo/2N15IJ1/tuxikew.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369323/normal_5fed1f0db50ad.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449768/normal_6015fee59e2ae.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413244/normal_605bcc74b0ebb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481527/normal_6058694ca8f3a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421613/normal_60188b9dece99.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387226/normal_6035da50d96a6.pdfIn PDF document text
- http://nifazafagikoxa.medianewsonline.com/vowaloririm.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385850/normal_60568c7cbbc02.pdfIn PDF document text
- https://cdn.sqhk.co/pikuworano/a5jfubF/boom_doom_source_port_download.pdfIn PDF document text
- https://cdn.sqhk.co/jomawutid/ZChe4jj/fapadofoligajotekax.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470389/normal_6017bbca290ab.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476925/normal_5fdb01f1248f3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366041/normal_6023db4fc3fc4.pdfIn PDF document text
- https://cdn.sqhk.co/bikakigiben/aSjaPLh/zidivofon.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459319/normal_5ff06e6c103e6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4378386/normal_5ff78771cbd4d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/4481e97c-a947-4730-badc-a25ad3a87d44/50172606039.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e5f3e30b-e45c-4625-a074-a20f44441fde/rupipowadatunugi.pdfIn PDF document text
- http://kurerori.myartsonline.com/96456076649.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012f8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F8A | 5380 bytes |
SHA-256: 521703bf9057f396d67c7cc65c4d54b141e95108d416b5cfcb89c23eb0f9223b |
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font_01_sfnt_off00014238.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14238 | 5100 bytes |
SHA-256: b4f4bbbe13cc082594bae157b83beb7c8ff1e140c3d6f1493ece0754c889ef9b |
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font_02_sfnt_off00015378.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15378 | 11172 bytes |
SHA-256: 02bcee338fe286643c6a6581f4884407764c665ccbd32bf8c32802df22a44eb7 |
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