MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO spam operation. The primary malicious URL identified is https://kuzutuzo.ru/wix?keyword=king+black+dragon+strategy, which is likely used to redirect users to malicious content or phishing pages. No scripts were extracted, but the PDF structure and numerous external links point towards a social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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 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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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://kuzutuzo.ru/wix?keyword=king+black+dragon+strategy PDF link annotation
- https://cdn-cms.f-static.net/uploads/4502439/normal_600a54bb0cb8a.pdfIn PDF document text
- http://vodenupomotafi.22web.org/nuvafumefinexu.pdfIn PDF document text
- http://sewakasatixori.medianewsonline.com/62885769773.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4464715/normal_60016ab02bb6f.pdfIn PDF document text
- http://lovupijuti.getenjoyment.net/characteristics_of_metals_and_non_metals.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4414172/normal_5ff0432682bf1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/a20c8a0e-201f-4ab5-9011-0f827646d466/where_can_i_buy_a_new_rainbow_vacuum.pdfIn PDF document text
- https://36535336-4f9e-4c0a-b1ad-3385cb5d4299.filesusr.com/ugd/15ebe2_adea3b6c99a0408884563c6145440741.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d7db9d61-c6f1-4e1d-8a01-38dce13ed992/6.1_defining_biomes_key_concepts_answer_key.pdfIn PDF document text
- https://ba85394b-11ac-4ca4-926b-74ca936c52e1.filesusr.com/ugd/5ccfc8_cc880de36bf64ca0b993a72612ee9edb.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1d6e37ad-36a1-4436-94fc-55d6da39695d/how_to_cook_ham_in_a_roasting_pan.pdfIn PDF document text
- http://newabef.rf.gd/10564673150.pdfIn PDF document text
- https://80c93ba6-74df-4afb-9852-3a83eaba20e3.filesusr.com/ugd/4cf28d_2ef0335fa15a4e50802d2caedeac92a6.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b763f3ad-eb16-4843-b411-c4592622f2d3/25339518319.pdfIn PDF document text
- http://fapetaboxepug.rf.gd/canon_powershot_a520_batterie_wechseln.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4f9c1a39-55a0-4798-9dc5-38c1f4bc5375/maytag_4000_series_washer_parts.pdfIn PDF document text
- https://3745348a-78a0-42d7-8ff4-af2b45bf5faf.filesusr.com/ugd/02631b_4c03317f3df34f36835479c731c70ff8.pdf?index=trueIn 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_off0000fea3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEA3 | 5172 bytes |
SHA-256: e080f4121554a6d628fe9d3e1c247ea5c427f33f0b4a9fbe63bd4c8c9b2fbd7b |
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font_01_sfnt_off00011041.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11041 | 10944 bytes |
SHA-256: 879b40a5dce13a7afe86a91945ea4c7166fa3f376fc13becdab7627e9b6819e2 |
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font_02_sfnt_off0001359d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1359D | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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