MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and is flagged as a link farm on disposable hosting, 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 common attack pattern of luring users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://laborke.ru/uplcv?utm_term=chess+beginner+book+pdf PDF link annotation
- https://tw-itemaos.com/ckfinder/userfiles/files/pevazejozepererivan.pdfIn PDF document text
- http://saatgaamkansarasamaj.com/admin/uploads/files/88942314435.pdfIn PDF document text
- http://beauty214.com/uploads/files/202109261853361907.pdfIn PDF document text
- http://laureysnv.be/uploads/files/35309568066.pdfIn PDF document text
- https://lexconsulting.ro/webroot/files/media/30697091416.pdfIn PDF document text
- https://pomacanthe-art.fr/imagebeforeafter/files/kiboposukaravefosax.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149a1ccb4013---19759386945.pdfIn PDF document text
- http://bobmeetin.com/media/galleries/files/47990052426.pdfIn PDF document text
- https://fertilizerproductionprocess.com/d/files/rijid.pdfIn PDF document text
- http://coming-c.com/userfiles/file/letisanujosekisururas.pdfIn PDF document text
- http://kaushalacademy.org/ckfinder/userfiles/files/22043414104.pdfIn PDF document text
- https://printsolutions.ro/uploads/wysiwyg/files/14798170147.pdfIn PDF document text
- https://ana-jsc.com/upload/files/pagosabalufisewus.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613020e8aa35e---vubaverow.pdfIn PDF document text
- https://ibexquimica.com.br/ckfinder/userfiles/files/67042064757.pdfIn PDF document text
- http://kechengchem.com/upload/files/76219883468.pdfIn PDF document text
- http://chono.mn/uploads/userfiles/files/82613576651.pdfIn PDF document text
- http://op-gold.com/ck_image/files/vefetodux.pdfIn PDF document text
- http://pension-erlkoenig.de/img/editor/file/torisexoxogojowewoniji.pdfIn PDF document text
- http://regmac.net/userfiles/files/fedajopibobopezozavagel.pdfIn PDF document text
- https://artlabjo.com/userfiles/file/sepigaxalaz.pdfIn PDF document text
- http://dblbtech.com/userfiles/file/wabulomadiruzobijese.pdfIn PDF document text
- https://globaltranslation.com/demo/global_translation/beta/userfiles/files/42208091715.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_off0000b320.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB320 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB32 | 16036 bytes |
SHA-256: 74a9fc2f7296fcf4bcae1aedb1006338f09e5d2c64793abd143093281fc42e86 |
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font_02_sfnt_off0000f3d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3D0 | 10736 bytes |
SHA-256: 66dc225fc230819a8815743a4be9d6c5d0e061280b4092648ee84197cdf949e6 |
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