MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, many of which appear to be part of an SEO link farm designed to redirect users. The primary malicious URL identified is https://botokaw.ru/strik?utm_term=lyrics+to+castle+on+the+hill+kidz+bop, which is flagged as a high-risk redirector. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or malware distribution.
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://botokaw.ru/strik?utm_term=lyrics+to+castle+on+the+hill+kidz+bop PDF link annotation
- http://raisinshq.club/3791510811y49jt.pdfIn PDF document text
- https://woxukobu.weebly.com/uploads/1/3/4/3/134392577/joxigej.pdfIn PDF document text
- http://vzruvayarttraff.xyz/bostitch_rn46-1_diagrams26ed.pdfIn PDF document text
- https://wazalitewisoka.weebly.com/uploads/1/3/5/9/135960923/dekejedaz.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470024/normal_5ff79c8146e71.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444657/normal_6041cb8cb579f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4404727/normal_5fdf4c0ce1f9f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/liluvad/how_to_connect_a_digital_converter_box.pdfIn PDF document text
- https://bb74f61c-7045-47bf-9a7e-968101ee373e.filesusr.com/ugd/81ef4b_db833b99a5354d408607afadf6d8b487.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/mukut/55479602964.pdfIn PDF document text
- https://f8d4b294-f952-4a11-85e8-0a3036f9bdaf.filesusr.com/ugd/ad8f3a_6a4143d3916840bca68310be9757a7e7.pdf?index=trueIn PDF document text
- https://02274cc9-8b57-4441-be19-e46c089ec46b.filesusr.com/ugd/f11b8f_9bba17e8164d4994a3d4e10ad374e43d.pdf?index=trueIn PDF document text
- https://b20aee1f-b1b7-4e4e-be5e-d884e4ece670.filesusr.com/ugd/10e3af_8cf5bd46356349f3910ef6fe3a26382c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/feliso/11527407676.pdfIn PDF document text
- https://s3.amazonaws.com/rawesaragegugar/altered_carbon_season_1_episode_7_synopsis.pdfIn PDF document text
- https://s3.amazonaws.com/satuja/odia_new_dj_song_2018.pdfIn PDF document text
- https://44034db3-6cdd-4729-adf3-7ccd6afcf354.filesusr.com/ugd/9fe9cc_29fb275f7fc2483b94bf38b4952541f4.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bededuxotulapil/27468276475.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_off0000dc29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC29 | 5460 bytes |
SHA-256: 2ccb3c572aa92f5d45939ee90a3154aaa002e88be62eded5d561c50a17dd2e65 |
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font_01_sfnt_off0000eebc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEBC | 10532 bytes |
SHA-256: f008cab372e603a2ef4a8bdc08a133f9f63a92b56492a2fc3954f3ba12dcb7b3 |
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