MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many of which point to SEO-optimized PDF documents, suggesting a link farm or phishing attempt. The primary URL, 'https://kuzutuzo.ru/wix?keyword=1913+the+year+before+the+storm+pdf', is likely part of this scheme to direct users to malicious content. ClamAV detection and ML classification further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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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=1913+the+year+before+the+storm+pdf
- https://loligilifalo.weebly.com/uploads/1/3/0/7/130775627/kiguxivan.pdf
- https://penebiji.weebly.com/uploads/1/3/5/3/135346042/5605914.pdf
- https://cdn.sqhk.co/konanetufuda/hgjifie/fun_things_to_do_in_philly_this_week.pdf
- https://cdn.sqhk.co/bexoninodag/7mrwtWW/fakeledageb.pdf
- https://wuxinaruniluxod.weebly.com/uploads/1/3/4/8/134882591/e94bf2690fa965a.pdf
- https://cdn.sqhk.co/mixubiki/hUxlcjj/jimosetelivawido.pdf
- https://nexitikobimefa.weebly.com/uploads/1/3/0/7/130776699/9a531.pdf
- https://munelexogetajax.weebly.com/uploads/1/3/1/4/131437313/f86a35d.pdf
- https://fugopezawisobib.weebly.com/uploads/1/3/1/3/131383650/fazewusoxu.pdf
- https://cdn.sqhk.co/jidobimatu/WhjK3gh/sufemuxizuvojasenegujanu.pdf
- https://josilagowuf.weebly.com/uploads/1/3/4/0/134018629/78bc2dd1218b1c.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/bipepezuwed/itunes_app_store_for_android_apk.pdf
- http://gifixutazopoja.epizy.com/auslands_bafg_hannover_formblatt_6.pdf
- https://s3.amazonaws.com/rujimidujek/cesarean_section_video_free.pdf
- http://fepoxojosatomu.epizy.com/apple_pages_table_of_contents_template.pdf
- https://s3.amazonaws.com/wozoxub/backdrops_pro_apk_4._1._4.pdf
- https://s3.amazonaws.com/baxegezivumi/kesevep.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_off0000e91d.bin6b0f76d4d7c12f79471cd46648b557b6e8ea15742a8c1f6b8f6631490f288454 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE91D | 5768 bytes |
font_01_sfnt_off0000fc90.bine650e495b34ce555ab99c2cf2738e5ab1721573485b65479eba04815af336e88 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC90 | 10256 bytes |
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