MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, with a critical heuristic identifying it as a PDF SEO link farm. One of the primary external links, 'https://jacksth.ru/wix?keyword=jay+m+robinson+middle+school', is flagged as unknown reputation, suggesting a malicious intent. The ClamAV detection and ML classifier further support its malicious nature, indicating it likely functions as a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://jacksth.ru/wix?keyword=jay+m+robinson+middle+school
- http://nosinoski.shop/sofewumezagadelipijugs08g.pdf
- https://tikomonanuso.weebly.com/uploads/1/3/4/2/134266270/pamuwoti-negufin.pdf
- https://static.s123-cdn-static.com/uploads/4456686/normal_5fec388431eea.pdf
- https://cdn.sqhk.co/xovepejegosi/cksucjy/jagezujofimutudi.pdf
- http://espacecmb.xyz/biwevorhyv6.pdf
- http://psychologyrelax.xyz/what_size_is_a_pack_n_play_mattressutrh2.pdf
- https://rimovume.weebly.com/uploads/1/3/1/4/131452953/5738f.pdf
- http://firstflirts.site/problemas_ambientales_en_mexicop4voz.pdf
- https://cdn.sqhk.co/noretokujazo/Oia2Thj/business_plan_template_slideshare.pdf
- https://cdn-cms.f-static.net/uploads/4425511/normal_600bd94ba1896.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/449cbd52-251a-47f6-9e41-3ad3ecce9b1a/55295091160.pdf
- https://uploads.strikinglycdn.com/files/0fd9722d-ca68-4ecf-b88c-e9549d2576ff/one_punch_man_garou_x_reader_angst.pdf
- https://uploads.strikinglycdn.com/files/e8fc825a-e66f-41f6-9b4f-bf8a4da73157/how_do_i_access_voicemail_on_my_cisco_phone.pdf
- https://uploads.strikinglycdn.com/files/4ca66847-370b-4c3f-8052-df30963fa042/how_to_stop_climate_change.pdf
- https://uploads.strikinglycdn.com/files/02f9c6e0-67b1-47b2-a266-6e1866831f55/judumaxikolewufonuj.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_off0000d8c9.bin47d37ec2d6ef90ccfdec8da4999215f4c14bab2e37ab1113ae3bf0d911a39ed1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8C9 | 5412 bytes |
font_01_sfnt_off0000eb06.binfb4a1838da11508e09783db27a76188ae2665804fcdb2c0558e9af9c43795178 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB06 | 11180 bytes |
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