MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many pointing to compromised websites or disposable domains, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, specifically identified as a phishing trojan. The document structure itself is a link farm, designed to lure users to external malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://oniceh.ru/uplcv?utm_term=id+list+for+unturned PDF link annotation
- http://bburago.info/admin/fckeditor/userfiles/file/dozaseximewexirubipi.pdfIn PDF document text
- https://tennis94.fr/img/pics/files/rapopilevajadepapejote.pdfIn PDF document text
- http://ajivikafinance.com/userfiles/file/53818570915.pdfIn PDF document text
- http://almawred-sy.com/files/adminfiles/files/xakerumelave.pdfIn PDF document text
- http://ambulatorioveterinarioilprato.eu/userfiles/files/tagesunoxum.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/582187cd9eb982593ef8472c1fbda35e/rilukedapuzikikowabogan.pdfIn PDF document text
- http://flapboxes.com/userfiles/files/47008929959.pdfIn PDF document text
- http://year-c.com/upload_fck/file/2021-9-12/20210912070034945486.pdfIn PDF document text
- https://eseninternational.com/uploads/files/5001940140.pdfIn PDF document text
- https://weekendtripskolkata.com/userfiles/file/galizomizezefakonanef.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161398d180f3c1---zibavizu.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/dd547345e957d1aed97f8481b90e77c5/pobuzuvebezuwuwo.pdfIn PDF document text
- https://bruceautoservice.com/files/file/85833892351.pdfIn PDF document text
- https://ewastexperts.com/userfiles/files/wanajusexuk.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/16142408b61fdb---82616988747.pdfIn PDF document text
- https://nls.vn/upload/files/ketivubakosopuw.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/161303c5a4d1c1---95303756996.pdfIn PDF document text
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16132abc505b1d---92161768068.pdfIn PDF document text
- http://ilksolar.com/Images/Media/files/fegesivozekisifegatodol.pdfIn PDF document text
- http://heatherjansch.com/ckfinder/userfiles/files/40351394454.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd52cd14d4---50159536965.pdfIn PDF document text
- https://oglethorpeclub.org/~oglethor/UserFiles/file/15144733870.pdfIn PDF document text
- https://sleepthai.com/piceditor/file/61575055318.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_off0000c01f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC01F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d836.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD836 | 10236 bytes |
SHA-256: a76fbbb0ff61e7f1b2a515a6e7938ac2e77be2482ddc1668d6e81916f90b0bc0 |
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font_02_sfnt_off0000ef48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF48 | 18436 bytes |
SHA-256: a572856f7b79ca2ac3ec025e7044d4eafd0248cb50cc9977af2425dc3ebee3e8 |
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