MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, many pointing to suspicious or disposable domains, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. While no scripts were directly extracted, the PDF structure and embedded links are indicative of a common tactic to redirect users to malicious sites, likely for credential harvesting or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://synerhu.ru/uplcv?utm_term=r35+for+sale PDF link annotation
- http://atletika-pardubice.cz/files/file/zesoborudusiwadamobide.pdfIn PDF document text
- http://tainandentist.com/uploads/files/202109080738412249.pdfIn PDF document text
- http://mazurubezpieczenia.pl/zdjecia/fck/file/84841710279.pdfIn PDF document text
- https://renewone.de/files/78524640717.pdfIn PDF document text
- http://mofrantech.com/userfiles/file/xodabetizuvojufe.pdfIn PDF document text
- http://italianopizzeria-pg.com/uploads/files/jidexikitazine.pdfIn PDF document text
- http://kawana.tech/userfiles/file/saxozufusoxeto.pdfIn PDF document text
- http://zeguvietnam.com/uploads/ckfinder/files/13058348297.pdfIn PDF document text
- http://mytrangroup.com/uploads/userfiles/file/sugerozaduz.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/161408d9891ac7---47626050047.pdfIn PDF document text
- http://jpind.pl/userfiles/file/rozonulafodux.pdfIn PDF document text
- http://bdsductri.com/upload/files/99655492119.pdfIn PDF document text
- http://srub-servis.ru/userfiles/file/28352209330.pdfIn PDF document text
- http://toanlinh.vn/upload/files/37904364521.pdfIn PDF document text
- https://www.dooleysnaturalgas.com/ckfinder/userfiles/files/mukudasorakuferegovexefi.pdfIn PDF document text
- https://aymfly.com/aym_image/files/74538721171.pdfIn PDF document text
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/07af61rfna9i3pt0f42li8jbt4/6477647059.pdfIn PDF document text
- https://booking-news.hkdnracing.com/webroot/editor-uploads/files/22828301746.pdfIn PDF document text
- http://xn--o39a91gvwm83kbsn.net/FileData/ckfinder/files/20210907_89FA979AF91DD232.pdfIn PDF document text
- http://ziguratex.com/helpdesk/app/webroot/img/userfiles/files/40193112064.pdfIn PDF document text
- http://ambulatorioveterinariovianello.eu/userfiles/files/valovasix.pdfIn PDF document text
- https://eguiders.com/uploads/fixemalipi.pdfIn PDF document text
- http://acsalma.hu/userfiles/files/musixoni.pdfIn PDF document text
- https://ghadir-eng.com/userfiles/files/delawetiluxewuzekawaj.pdfIn PDF document text
- https://fgcrubochi.com.ng/ckfinder/userfiles/files/50656507023.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_off0000f609.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF609 | 10264 bytes |
SHA-256: 12b24ac193689053e09b01e444a38fbffc22e962134b9cacd0714b2e7c93cd06 |
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font_01_sfnt_off00010d49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D49 | 17956 bytes |
SHA-256: 88b41e6454cdddc240e8f7d60b3d2bb6d55c6e8f896ce8575601e2c0adc7d264 |
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font_02_sfnt_off00013c3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C3C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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