MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload directories, suggesting an attempt to host or distribute malicious content. The presence of a link farm on disposable hosting further supports a malicious intent to distribute payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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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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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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 http://savalis.ru/userfiles/file/2060390475.pdf In PDF document text
- https://kheops-so.fr/ckfinder/userfiles/files/49015569008.pdfIn PDF document text
- https://alpinashop.rudy-ra.com/files/zaxuvisovapasudomugeje.pdfIn PDF document text
- http://gmtshipping.com/attachment/file/negad.pdfIn PDF document text
- http://prota.ru/upload/files/juzidogadarotijez.pdfIn PDF document text
- http://joltiy.ru/uploads/files/pusawubozezetir.pdfIn PDF document text
- http://autoscuolecasetta.it/userfiles/files/95062568518.pdfIn PDF document text
- https://ip-kamera-rendszer.hu/ckfinder/userfiles/files/94025097394.pdfIn PDF document text
- http://epoptavky.com/is/images/FCKeditor/File/jogifububefi.pdfIn PDF document text
- http://joeun-it.com/userData/board/file/refego.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16134ab94265d7---ziwobaxa.pdfIn PDF document text
- http://seowonbattery.com/files/fckeditor/file/17986378456131664e7658b.pdfIn PDF document text
- https://firsatoyun.com/calisma2/files/uploads/65683790974.pdfIn PDF document text
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/3ef9423f8b1b077adcfdb9852183b717/29795157799.pdfIn PDF document text
- http://saikunghouse.hk/userfiles/sotajegonekawozi.pdfIn PDF document text
- http://kaus21.com/userData/board/file/tiguwuxujokifex.pdfIn PDF document text
- http://chaukitchen.com/uploads/files/82512135912.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614173b95e545---zedupofewegebovumejez.pdfIn PDF document text
- http://massimosusto.eu/userfiles/files/19269306521.pdfIn PDF document text
- http://inbeeldt.nl/userfiles/file/48347598192.pdfIn PDF document text
- http://lnv-cnc.gr/userfiles/file/76497076489.pdfIn PDF document text
- http://www.tahi.hu/ckfinder/userfiles/files/pikilabatapopebepipibuza.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bbb48b1183---70420015052.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=avengers+game+mod+apkPDF link annotation
- 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eee4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEE4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000106fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106FB | 10636 bytes |
SHA-256: 54f89d9efd7f6e867d2074e2d43c8adba425ff18c35869914417692df18a24fe |
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font_02_sfnt_off00011f24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F24 | 17836 bytes |
SHA-256: 5902b2356e506df30b8a44c947f5f1e5506419a0c47c0ae0031d5086e2a9c438 |
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