MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file is identified as a phishing lure due to its image-only nature and embedded clickable action. It contains numerous external URIs, many pointing to potentially disposable domains, suggesting a link farm used to obscure the final destination. The ClamAV detection and ML classifier further support its malicious classification, likely as a downloader or redirector for malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 1 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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 https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/d3bbd9e4b3dc9c9b5542e80e1c7bfe7f/sipezi.pdf In PDF document text
- http://consol.hu/images/uploadedimages/file/jurokomifo.pdfIn PDF document text
- https://tl-systems.hu/files/files/26809465187.pdfIn PDF document text
- http://capitolmetrophysicaltherapy.com/files/files/dibevo.pdfIn PDF document text
- http://inbiosa.eu/static/cfiles/files/92945593064.pdfIn PDF document text
- http://pensionpoint.cz/userfiles/files/narejenobarugadezozutawuv.pdfIn PDF document text
- https://maturana.cl/upload/file/2021207664.pdfIn PDF document text
- http://fobosgrunt.ru/files/ckfinder/files/demupipete.pdfIn PDF document text
- http://lauko-baseinai.lt/i/File/gusane.pdfIn PDF document text
- http://hasyo.net/files/file/84727456572.pdfIn PDF document text
- http://lienming-rubber.com/uploads/files/202109150749578435.pdfIn PDF document text
- http://babijie.com/upload_fck/file/2021-9-17/20210917151050290019.pdfIn PDF document text
- https://selapro.com.au/application/third_party/ckfinder/userfiles/files/xusagatavow.pdfIn PDF document text
- http://one9five.com/userfiles/files/vizafomiwupumijamosukesuf.pdfIn PDF document text
- https://aparcaderoshaddaichile.cl/uploads/images/files/fevubalosaxaka.pdfIn PDF document text
- http://jyotiacademicpress.org/uploads/file/mapatomil.pdfIn PDF document text
- http://a-pluset.com/userfiles/8316414808.pdfIn PDF document text
- https://www.mftelhas.com.br/adm/Editor/ckfinder/userfiles/files/godafojezitu.pdfIn PDF document text
- https://proia.bg/userfiles/file/90200575905.pdfIn PDF document text
- http://n2nnetworks.com/files/others/37815660919.pdfIn PDF document text
- https://gulceoyunlar.com/calisma2/files/uploads/45639544814.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16150883d3cd1c---tumavusu.pdfIn PDF document text
- https://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/kexorabesumizep.pdfIn PDF document text
- http://dgkno.cn/upload/70120215344.pdfIn PDF document text
- http://phuocthuan.vn/images/pic/file/73081562359.pdfIn PDF document text
- http://ngnjl.com/userfiles/files/51956875945.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=pop+up+ad+blocker+chrome+extensionPDF 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_off0000b08c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB08C | 14372 bytes |
SHA-256: 0f41a66ac973cd39c7fed9189a6c9b95aaa7802ecd5aa08b71b4ebee0ce52b7a |
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font_01_sfnt_off0000d495.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD495 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ecac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECAC | 11212 bytes |
SHA-256: f420f08279fd13d23efa84d4b96aa86ffa9132bd2c31ab68aa196a754675d802 |
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