MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users to malicious sites. The presence of these links suggests an attempt to distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://irk-yoga.ru/upload/files/42496505451.pdf In PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132190e74ed3---32865057270.pdfIn PDF document text
- https://supermagnum-bg.com/userfiles/file/befododepororoninelelilu.pdfIn PDF document text
- https://dunakanyarfesto.hu/ckfinder/userfiles/files/91433985627.pdfIn PDF document text
- http://imbirimbir.ru/files/63430765220.pdfIn PDF document text
- https://abriganature.centralcms.cloud/galeria/files/saguranaluwu.pdfIn PDF document text
- http://rw-hse-businessconsulting.de/userfiles/file/xozelijutabibasupudoto.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/161300935032c4---gepidipesenuwukunuteseja.pdfIn PDF document text
- https://euroroma-bg.org/files/file/mogajukedovulilafufut.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/16135c76200a5b---45980096524.pdfIn PDF document text
- http://chapraptti.org/userfiles/file/72288188010.pdfIn PDF document text
- https://polaria.cz/images/file/8258631059.pdfIn PDF document text
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/161336aa3acc30---57338549258.pdfIn PDF document text
- https://ezastupitelstvo.sk/editor_uploads/system/files/puruzoji.pdfIn PDF document text
- https://norservis.cz/files/files/84641046289.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/8d2cef0a83f68e9240e34ab40ae05442/44180350535.pdfIn PDF document text
- https://my-natural-style.net/upload/files/tonufe.pdfIn PDF document text
- http://yas-center.ru/userfiles/file/20079004432.pdfIn PDF document text
- http://bsp-oblspl.org/ckfinder/userfiles/files/berugiwipefegitomofix.pdfIn PDF document text
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/dthrv3f6ibk91u5sc6knvjdftr/bizol.pdfIn PDF document text
- https://www.phuketvillarentalandservices.com/ckfinder/userfiles/files/34034643114.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=helakuru+sinhala+inputPDF 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_off0000af4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF4D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c75f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC75F | 14292 bytes |
SHA-256: 8d22ee98346ee2a4f61cfe89422a49b637999a1d6b0e9998fb89346dc08a9785 |
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font_02_sfnt_off0000ea87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA87 | 10412 bytes |
SHA-256: c8a2d8ff6a0ceaf58a77fc2b15b7663675874c1e2d284c938df56bef92a5cd08 |
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