MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by multiple heuristics, including a critical ClamAV detection and a high ML classifier score, indicating malicious intent. The presence of embedded JavaScript (PDF_JS) suggests an attempt to execute code, likely to redirect the user to malicious external sites as indicated by the numerous PDF_URI and EMBEDDED_URL findings. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports the phishing or malware distribution nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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 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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Embedded JS stream low PDF_JSPDF references a /JS stream. 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://cukimentescukraszda.hu/files/files/mezade.pdf In PDF document text
- http://chatyzvule.cz/uploads/duzera.pdfIn PDF document text
- http://sxsasa.org/images_fck/file/1631514040.pdfIn PDF document text
- https://soudureornementalelauziere.com/upload/editor/file/zuropejopobe.pdfIn PDF document text
- http://synphabase.ch/upload/file/47550778349.pdfIn PDF document text
- https://www.champagne-cornevin.fr/ckfinder/userfiles/files/puminepidunemovuputu.pdfIn PDF document text
- http://sushrutproctology.org/ckfinder/userfiles/files/pedumabojinijogujim.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1613b09371cba3---rinenitojitirokorajigugiv.pdfIn PDF document text
- http://aaas.handyfriendship.com/upload/files/laposexugonemitupa.pdfIn PDF document text
- https://ddshower.com/ckfinder/userfiles/files/5040832294.pdfIn PDF document text
- http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/49185702106.pdfIn PDF document text
- http://support-cmu.com/filedata/file/zidolekepoviwuxoramujif.pdfIn PDF document text
- http://stisk.com/file/wefipifagadezik.pdfIn PDF document text
- http://czytamzezrozumieniem.pl/userfiles/file/3035529350.pdfIn PDF document text
- http://kcpsystem.com/userData/board/file/91010771337.pdfIn PDF document text
- https://poganyvolgyi.hu/userfiles/file/70964090398.pdfIn PDF document text
- http://osheamaloneynylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jitevatafutere.pdfIn PDF document text
- https://www.colline-eternelle.com/ckfinder/userfiles/files/rajovuletep.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/de7vka9d19ftepjtveqtkt3g8i/84035833518.pdfIn PDF document text
- http://yamamatoen-wanwan.jp/ckfinder/userfiles/files/13808988174.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=cookie+clicker+shadow+achievementsPDF 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_off00010289.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10289 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011a9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A9B | 21868 bytes |
SHA-256: ee38e9be61dc778e3a3b1e906a9df297c9631c0670afbd9141e987a53b181146 |
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font_02_sfnt_off00015377.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15377 | 10908 bytes |
SHA-256: b6075f1eb7b5c520b051f3cdd128fcd5f6d379167f08c93a4f561205fad8e450 |
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