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 contains a link farm of external PDF links, with one prominent redirector URL pointing to 'https://botokaw.ru/aws?utm_term=probability+and+statistics+morris+h+degroot+solutions+pdf'. The presence of numerous external links suggests an attempt to distribute or redirect users to other malicious content, characteristic of phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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/aws?utm_term=probability+and+statistics+morris+h+degroot+solutions+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4427103/normal_601d56b253b49.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481422/normal_600c82256e6c4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425255/normal_5fd5fa1d33229.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413012/normal_6055af70de13d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452861/normal_600ec2895112c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cbb9655c-b60d-4095-8c1c-bb5f9a2903c5.filesusr.com/ugd/4dd980_a9402cf3f2af43beab907b77add01221.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jivagajamav/website_mockup_free.pdfIn PDF document text
- https://s3.amazonaws.com/wulagisi/contracting_out_agreement_template_nz.pdfIn PDF document text
- https://486bfeb6-87d8-40a3-812f-3449909c9139.filesusr.com/ugd/81b904_8cb6b651851a48089cd3ef83dea4de7a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fomaralunex/wafamonolefaviseretig.pdfIn PDF document text
- https://3176e400-c268-4dc0-8d69-08eae86937f8.filesusr.com/ugd/ea2f88_2d5aa74f503f4f0ab9a3af1388adcf85.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9f27db7a-a5e9-4052-98b7-dea4cedb434d/94795900939.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e1389a84-175b-460e-b04b-4ac890e7d643/fodupuvixag.pdfIn PDF document text
- https://s3.amazonaws.com/bevekizadoxuj/87174107996.pdfIn PDF document text
- https://s3.amazonaws.com/pavujiniz/graffiti_letters_a-_z_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/81db106b-2991-4466-a22a-f034ce130280/night_novel_packet_section_8_answers.pdfIn PDF document text
- https://s3.amazonaws.com/zopenave/hamilton_beach_flexbrew_single_serve_needle_error.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7fd1ab13-278d-4ae2-80e2-4fff00424b4e/76981797977.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bac8b9ed-434b-43b0-b3a2-a58e2c09fb99/86340693515.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6c881944-1751-4daf-aa91-ff9df4891e15/zikegolig.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1d8f7932-5f61-4557-a3d5-c13bdab6c860/mesezavupoxirota.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/29ea60f3-e86a-4d56-a581-0f81606a6a86/gevelutupov.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_off0000f245.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF245 | 5812 bytes |
SHA-256: cf321a849f850c737630f03729916c58d0daf773a6b1b20f6878a51f12791a9b |
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font_01_sfnt_off000105ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105EE | 10028 bytes |
SHA-256: 718654a621bc4f83355beecd6e763473d8d430676388ceaebce678c2f8d004ee |
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