MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It employs SEO link farming and redirectors, specifically using the URL 'https://kuzutuzo.ru/wix?keyword=a+beginner%2527s+guide+to+day+trading+online+pdf' to lure victims with a trading guide pretext. The ML classifier also strongly indicated maliciousness.
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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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://kuzutuzo.ru/wix?keyword=a+beginner%2527s+guide+to+day+trading+online+pdf PDF link annotation
- https://vagewojevibo.weebly.com/uploads/1/3/4/8/134873572/7ae238.pdfIn PDF document text
- https://cdn.sqhk.co/gigatakel/aT7ogfv/uber_driver_app_download_android.pdfIn PDF document text
- https://cdn.sqhk.co/nogojexibawa/6jcUixe/shooting_times_duck_hunting_wisconsin.pdfIn PDF document text
- https://cdn.sqhk.co/pajokiman/dxifigv/vefuwejak.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366366/normal_602e5b0ae786b.pdfIn PDF document text
- https://cdn.sqhk.co/woguwubege/jhcFngh/ate_up_all_the_cake_lyrics.pdfIn PDF document text
- https://cdn.sqhk.co/lerapuraroke/fBOydgg/call_of_duty_zombies_apk_ios.pdfIn PDF document text
- https://lanuwoga.weebly.com/uploads/1/3/1/6/131637333/gusisakuwa.pdfIn PDF document text
- https://cdn.sqhk.co/xusawikorut/jigfjeW/44534078904.pdfIn PDF document text
- https://cdn.sqhk.co/tijaxasazuwi/lcSluf6/icy_veins_wow_classic_hunter_guide.pdfIn PDF document text
- https://cdn.sqhk.co/sunawopi/ngdkKoM/download_game_alien_shooter_2003.pdfIn PDF document text
- https://cdn.sqhk.co/luketopaja/hjejbji/gefojefinosezigadif.pdfIn PDF document text
- https://xutifapob.weebly.com/uploads/1/3/2/7/132712150/ragos_remizilo_visabo_narogelavo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483837/normal_602a532570023.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/b2bdb6a5-f807-434d-9fe4-d22870dc5fb1/6079455103.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/26f01232-2dc9-48e4-b11f-c261a274b042/65529763075.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/14dde122-f13c-4d7b-97e5-71261950b378/types_of_organizational_culture_handy.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c975d40f-d86d-42be-9bb3-2a34f7c17c78/blue_team_handbook_incident_response_edition_ebook.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bbcfd7fb-25cb-4b72-a2c2-25d3fd5bb7f2/reruvapexinukum.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010214.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10214 | 5472 bytes |
SHA-256: a5534a9fec2720e473ed9f25a5761a9d9df2122fdd0d8877ff6fd4eea5e74ac9 |
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font_01_sfnt_off000114d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114D2 | 11212 bytes |
SHA-256: ec0a1ee6e1e819d3bb1c5ff1983ed79a879c1cfa036c4b6d2ac8aa37a073fb52 |
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