MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded JavaScript and a heuristic firing for a callback lure, indicating it's designed to trick the user into contacting a malicious entity. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the execution of malicious code or redirection to further malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://musikkursus.dk/userfiles/file/27289988902.pdf In PDF document text
- http://wych123.com/upload/files/59078455922.pdfIn PDF document text
- http://brenderup.ro/mm/file/12197774484.pdfIn PDF document text
- https://nycsmindia.org/ckfinder/userfiles/files/14082123386.pdfIn PDF document text
- http://realfootball.gr/userfiles/file/zovonomunamabokizojopadim.pdfIn PDF document text
- https://radekslodkiewicz.pl/files/file/7508643239.pdfIn PDF document text
- http://msiutilities.biz/documents/xutizarubozutikob.pdfIn PDF document text
- http://styropapex.pl/userfiles/file/susikotigaxu.pdfIn PDF document text
- http://shopgraeagle.com/ckeditor/uploads/files/wuvokodumetul.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/161354271eedd2---13396675649.pdfIn PDF document text
- http://macabrey-luthier.fr/data/Files/65541727969.pdfIn PDF document text
- https://ka-base.no/images_content/file/pepifogimirapipijobap.pdfIn PDF document text
- https://arrad.ch/modules/ck/ckfinder/userfiles/files/91721552887.pdfIn PDF document text
- http://w3-japan.com/js/upload/files/69821927127.pdfIn PDF document text
- https://aakritidigitals.com/userfiles/files/wiruvujotabezu.pdfIn PDF document text
- http://avon-bratislava.com/files/files/nemodijuvi.pdfIn PDF document text
- https://lrsdev.com/userfiles/file/39627626979.pdfIn PDF document text
- http://tourgrodno.by/images/content/file/82672699435.pdfIn PDF document text
- http://winkeleninzundert.nl/uploadimages/files/gosobobaxuxotu.pdfIn PDF document text
- http://xn--aknmedcal-wpbe.com/uploads/file/22858182910.pdfIn PDF document text
- http://sistersaviopublicschool.com/userfiles/file/wowokizazez.pdfIn PDF document text
- https://songod.vn/uploads/image/files/bodotokojusujot.pdfIn PDF document text
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/99d2fd7cb615aa2ac6810e869a7ac1be/74159701969.pdfIn PDF document text
- http://bodybybodyology.com/ckfinder/userfiles/files/6974813132.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=best+emulator+for+windows+7+32+bit+4gb+ramPDF 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_off0000af89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF89 | 16088 bytes |
SHA-256: 253463f475496a26d0593b7a6d565c74d2c08e27402be6bb8989645ecf01cdf5 |
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font_01_sfnt_off0000d7f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7F4 | 11496 bytes |
SHA-256: 5eaf212bc2a1d560fcb002f2a627bf3c13b3982a3929ab51d4753edab1a0fbf5 |
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font_02_sfnt_off0000f32e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF32E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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