MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains JavaScript actions and a significant number of embedded URLs pointing to compromised or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of JavaScript indicates an attempt to execute code, likely to facilitate further exploitation or download additional payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 7
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://coretry.ru/uplcv?utm_term=simple+ratio+worksheets+ks3
- http://muzeumostrowiec.pl/obrazy/file/redazapeduxitarol.pdf
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/5d6a8533c1187418434782975785b837/77958766488.pdf
- https://tisuputih.com/contents//files/74248662575.pdf
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607f248acd45e---47486466747.pdf
- https://bushregenerators.com/userfiles/files/6461014071.pdf
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/2a4gitlb2jcbsibpt81737q1cc/77682810924.pdf
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/1fdme6ghb0b74s2vcodmsmcmt7/59953366325.pdf
- http://hnc2.com/userfiles/file/85542460380.pdf
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607236467a9d6---81144000614.pdf
- http://thaoduocvn.com/userfiles/image/file/sexexebimetifew.pdf
- https://thehideawayresortpattaya.com/userfiles/files/13964609737.pdf
- http://www.jucadent.es/ckfinder/userfiles/files/dijesorenezesutamamomaxot.pdf
- https://mamadona.ru/ckfinder/userfiles/files/bixajipi.pdf
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/3616573cb024259afd9f008cf5a2c975/84301974571.pdf
- http://www.deopendeur.org/imgUser/file/67846679754.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160866a83e04bb---sinute.pdf
- http://sungsam.net/userData/board/file/sitefepinu.pdf
- http://fundacjaproartis.pl/javascript/ckfinder/userfiles/files/66244907841.pdf
- http://cichanski.com/Upload/file/57555485545.pdf
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/7gmkbt5qj1otv2qrpq8l6aoc1v/vixijodetalevagojusulib.pdf
- http://studiomanzella.com/userfiles/files/baxixemiwitavivit.pdf
- https://cdpu.net/wp-content/plugins/super-forms/uploads/php/files/7cd8407d17d17523a21beba4e0a7aef6/61624039632.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://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d886.bin50ab542ffb8c870d61f74fada362234c3ebf7a7b150b76f334d71fb915cf0b53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD886 | 10836 bytes |
font_01_sfnt_off0000f193.bin3d6597dcabe8c13a46259f6bb1cc3ca2c2b12081c5daf41b07ce7c9e6e2c3c80 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF193 | 17556 bytes |
font_02_sfnt_off00011f39.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F39 | 16792 bytes |
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