MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document functions as a link farm, directing users to numerous external URLs, many of which are hosted on disposable domains or subdomains. The heuristic firings indicate a deliberate attempt to create a large number of outbound links, likely for SEO manipulation or to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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/strik?utm_term=best+powder+for+300+blackout+subsonic PDF link annotation
- https://cdn.sqhk.co/taxuvoguraji/uhijbjj/42187116897.pdfIn PDF document text
- http://idealica-ordina.site/zowapuzekevukedq326p.pdfIn PDF document text
- https://cdn.sqhk.co/wisivelu/vGjb2bH/junalusirijireju.pdfIn PDF document text
- https://cdn.sqhk.co/tojebaru/hIjhesd/zombie_island_2014.pdfIn PDF document text
- http://pozijuza.scienceontheweb.net/aditya_hrudayam_telugu_meaning_download.pdfIn PDF document text
- https://cdn.sqhk.co/nuduniguwufo/cibthg0/birdy_skinny_love_sheet_music.pdfIn PDF document text
- http://pushbiz.fun/179568572902ul70.pdfIn PDF document text
- https://cdn.sqhk.co/lukumuzu/gdLFrA7/most_viral_tiktok_video_2019.pdfIn PDF document text
- http://tokio-2020.fun/wosomop93f81.pdfIn PDF document text
- http://gudituxubimof.22web.org/baby_bestiary_handbook.pdfIn PDF document text
- http://mufosubofamar.mywebcommunity.org/popoxenetoxulerufufabatu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://vifogigamoge.rf.gd/4522575483.pdfIn PDF document text
- https://f6ce3cfb-f922-470c-9e0e-eaf724001b0e.filesusr.com/ugd/defcb2_ec45b185fe5f41099fce57b0dd4c51b8.pdf?index=trueIn PDF document text
- https://777dd155-384c-4f1d-a337-8f27b94bb056.filesusr.com/ugd/1ecdae_b7c9651db7a3490a952be67b76b5bbad.pdf?index=trueIn PDF document text
- https://da9d63b4-fbfd-4f6f-88e7-06ac0d76355b.filesusr.com/ugd/ca300b_fcb2d7402e254c40a444027d6318692f.pdf?index=trueIn PDF document text
- https://df6a9abb-74f3-47e1-b359-fe6d1019da36.filesusr.com/ugd/7921d2_9140dfc5ab0942d0bec08b03c6854441.pdf?index=trueIn PDF document text
- http://tavamikilav.myartsonline.com/94006074450.pdfIn PDF document text
- https://21d44941-995c-48b9-956b-8145330e20d5.filesusr.com/ugd/577b75_193f6d26e55d44d7a553c1285e3f8dd4.pdf?index=trueIn PDF document text
- https://add83a7c-0e31-48b3-928b-061d82ba9144.filesusr.com/ugd/205ae4_e0192185b3e046daaa22007df299ca21.pdf?index=trueIn PDF document text
- http://wuzazuj.rf.gd/aniara_poema.pdfIn PDF document text
- https://9ebe8999-295a-4f11-87dc-c96f3e1b46ff.filesusr.com/ugd/8de238_0e09484f010d47718e2bcf294fb5091b.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ebb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBB7 | 5800 bytes |
SHA-256: 237e6f0c94e44fd3849c0c5d96ac880a63481ee7d9448429ab658de1039dafc1 |
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font_01_sfnt_off0000ff93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF93 | 11048 bytes |
SHA-256: ce39c217251c28d676abd67572645b2bdc195dfa29ba00f9ec2c07bfcb14351c |
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