MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to disposable domains or link farms, suggesting a phishing or malware distribution campaign. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a non-clustered link farm on disposable hosting. No scripts were extracted, but the overall structure points to a malicious document designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 5
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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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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://medvor.ru/uplcv?utm_term=guia+para+rezar+el+rosario+pdf PDF link annotation
- http://3mfa.com/images/editor/files/5633980266.pdfIn PDF document text
- http://bilateralmatters.org/userfiles/file/kotukovew.pdfIn PDF document text
- https://beautyyaurient.com/editor_upload/file/71738387453.pdfIn PDF document text
- http://leton.pl/userfiles/file/jifivefowefated.pdfIn PDF document text
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/4036484336.pdfIn PDF document text
- http://poultech.net/d/files/51762911832.pdfIn PDF document text
- https://aldaserwis.pl/ckfinder/userfiles/files/liratebinukimivoxasin.pdfIn PDF document text
- http://sbkf.org/files/files/nudibutasixatezijabador.pdfIn PDF document text
- http://vinhthuanvietnam.com/upload/files/wirarokimipes.pdfIn PDF document text
- http://hangnhatbanonline.com/upload/files/8443157654.pdfIn PDF document text
- https://yarpaket.ru/userfiles/file/dudisugupigamife.pdfIn PDF document text
- https://eprobatdz.com/ckfinder/userfiles/files/bimujarimawe.pdfIn PDF document text
- https://kanat.com/upload/ckfinder/files/44687782324.pdfIn PDF document text
- http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gukezafila.pdfIn PDF document text
- https://educationindiajournal.org/ckfinder/userfiles/files/minazan.pdfIn PDF document text
- https://atputasbaze.lv/images/userfiles/files/37283872633.pdfIn PDF document text
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/76964499550.pdfIn PDF document text
- http://krr-nfe.com/suratnfe/UserFiles/File/33195059110.pdfIn PDF document text
- https://francoisdaulte.com/ckfinder/userfiles/files/balunopazejilopaseluz.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/f02c737dd8b6df6dc00bd75601f398d2/poxubirugisa.pdfIn PDF document text
- http://ihdbd.org/upload/files/13460215106.pdfIn PDF document text
- http://budohurtsa.pl/userfiles/file/38622826386.pdfIn PDF document text
- http://slkuang.com/v15/Upload/file/2021916152486962.pdfIn PDF document text
- https://hsdinstruments.nl/uploads/files/tigoxajufewajakal.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_off0000b8a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8A4 | 17708 bytes |
SHA-256: e4b68d0dbbe1f1c45bedcd365134ca5d1d67cebd61d8c578fc45454de9762f16 |
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font_01_sfnt_off0000e678.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE678 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fe8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE8F | 10488 bytes |
SHA-256: aed30407c963349a819f6d130459094c083e0801a9b28b469e3b94b0cbe11063 |
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