MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many of which are hosted on disposable domains and utilize UTM parameters, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a spearphishing attachment tactic designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 5
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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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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://drafthe.ru/uplcv?utm_term=soben+peter+7th+edition+pdf+free+download PDF link annotation
- https://lawrenceyezersky.com/userfiles/file/nudepakenavodifewudusivig.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/16155c977c8754---94708066024.pdfIn PDF document text
- http://ambcavallon.eu/userfiles/files/28266829890.pdfIn PDF document text
- http://uptownfallschurch.com/uploads/files/36820648656.pdfIn PDF document text
- https://profesa.net/userFilesfile/79393068310.pdfIn PDF document text
- http://spbi.cz/res/file/92697967214.pdfIn PDF document text
- https://btsis.com/upload/ckfinder/files/59674056826.pdfIn PDF document text
- http://knx-shop.ru/admin/ckfinder/userfiles/files/6622346634.pdfIn PDF document text
- https://aldaserwis.pl/ckfinder/userfiles/files/lanaradavodukojuliwetose.pdfIn PDF document text
- https://salwangurugram.com/files/rimetalunumazawop.pdfIn PDF document text
- https://sukhayurveda.in/userfiles/file/59372449869.pdfIn PDF document text
- https://bosgo.mn/uploads/files/32166492301.pdfIn PDF document text
- http://humanconsulting.cz/media/file/87744617408.pdfIn PDF document text
- http://idealthailand.com/file_media/file_image/file/28492300277.pdfIn PDF document text
- https://sharjahcements.com/images/bulk_images/files/36611712714.pdfIn PDF document text
- http://pcserviszlin.cz/ckfinder/userfiles/files/63659403606.pdfIn PDF document text
- http://www.lebedosapartotel.com/data/yukle/files/66253446123.pdfIn PDF document text
- https://arerp.kr/data/file///gonunosaxopefole.pdfIn PDF document text
- http://186086.com/upload/files/vikuma.pdfIn PDF document text
- https://www.aillant-sur-tholon.com/ckfinder/userfiles/files/99488081186.pdfIn PDF document text
- http://www.huescalamagiaenfotos.com/userfiles/files/fudimikosalufabogikukofuv.pdfIn PDF document text
- http://maradonasalud.com.ar/ckeditor/ckfinder/userfiles/files/57854349936.pdfIn PDF document text
- http://dailynewsodia.com/assets/ckfinder/core/connector/php/uploads/files/96322209023.pdfIn PDF document text
- 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_off0000b91f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB91F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d131.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD131 | 20504 bytes |
SHA-256: db2a73e380b5ca6f61aac9066d96585823e52948f8e5472cee55d128ebe2be38 |
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font_02_sfnt_off000104f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104F1 | 10780 bytes |
SHA-256: 3dc4ffbd5c53bb508b083e05e58f82e2be9b91c1dfa67be5c2756d82d3be1778 |
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