MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to other PDFs, suggesting a link farm or SEO manipulation tactic. The ClamAV detection and ML classifier strongly indicate maliciousness. The embedded URL 'https://trafffe.ru/123?utm_term=california+8th+grade+science+curriculum' is likely the primary lure, directing users to a potentially malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://trafffe.ru/123?utm_term=california+8th+grade+science+curriculum
- https://bezebaterizijir.weebly.com/uploads/1/3/1/3/131384714/862dc61dc6.pdf
- https://kifisiwa.weebly.com/uploads/1/3/4/2/134266158/3955007.pdf
- https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/2697538.pdf
- https://dogewirezuv.weebly.com/uploads/1/3/4/6/134699505/punujiw.pdf
- https://zafigitelerom.weebly.com/uploads/1/3/4/3/134338481/maxunejekiz-wesuxa-vudiwuxapaxefa-garixaga.pdf
- https://vifoxofanope.weebly.com/uploads/1/3/4/6/134670603/0545e8c98e8a6b.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/henghuili-files2/57741568798.pdf
- https://s3.amazonaws.com/wixamupelinere/benajaxekizebadilu.pdf
- https://s3.amazonaws.com/patotale/java_worksheet_answers.pdf
- https://s3.amazonaws.com/woberiz/nusewiwog.pdf
- https://uploads.strikinglycdn.com/files/b6ef2cec-a738-49b2-9f13-cfa74b94a117/kimball_aquarius_organ_manual.pdf
- https://uploads.strikinglycdn.com/files/1701411e-09b5-455f-81c6-72cb2f061d5a/88421945797.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_off0000c6e5.bin3c930808fdbb5b05cb2f35468a7e78f0fb01cd9334104a9dc43dcb5884bb620e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6E5 | 5536 bytes |
font_01_sfnt_off0000d984.binde560ee73acae119772450db024589bf9087daa81c5b4486de392566199f0027 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD984 | 10404 bytes |
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