MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to disposable hosting and are part of a link farm, suggesting a phishing or malware distribution scheme. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM specifically flags this behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://cructi.ru/uplcv?utm_term=how+do+i+backup+my+android+phone+to+my+laptop PDF link annotation
- http://iphysiology.ru/upload/3325143588.pdfIn PDF document text
- http://whkmradio.com/userfiles/file/39721941884.pdfIn PDF document text
- http://sirindhorn.net/upload/File/23074272301.pdfIn PDF document text
- http://lienming-rubber.com/uploads/files/202109042136217358.pdfIn PDF document text
- https://radekslodkiewicz.pl/files/file/8692187520.pdfIn PDF document text
- http://studiorapizza.it/userfiles/files/xajizaderemize.pdfIn PDF document text
- https://abcoegypt.com/userfiles/files/panabalelevesaxamuf.pdfIn PDF document text
- http://linyuepharm.com/upload/files/sedirixevatirizokineza.pdfIn PDF document text
- http://gyogytornasz.hu/editor_up/29920801597.pdfIn PDF document text
- http://dunakeszi.varosom.hu/userfiles/files/85407071711.pdfIn PDF document text
- https://mobile-translator.eu/app/webroot/media/files/78016191843.pdfIn PDF document text
- http://barrybusiness-crm.com/ressource/devis-photo/files/14575345706.pdfIn PDF document text
- https://goodline.by/userfiles/file/60688356867.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/ralivitexevugivixi.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613a2d3197fae---67145439376.pdfIn PDF document text
- https://nezrenpin.com/calisma2/files/uploads/fumilagatavofazilopesenu.pdfIn PDF document text
- http://poketomecam.com/uploads/files/8629541534.pdfIn PDF document text
- http://greentreeprep.com/cote_dor_import/admin/ckfinder/userfiles/files/34399686442.pdfIn PDF document text
- http://addon-colsman.somantec.net/ckfinder/userfiles/files/wobovafanilaruvedeka.pdfIn PDF document text
- http://veganogle.es/uploads/ckfinder/files/88709805232.pdfIn PDF document text
- https://insolite.lu/img/userfiles/files/56347745707.pdfIn PDF document text
- http://ytovietnam.net/ckfinder/userfiles/files/siximegikula.pdfIn PDF document text
- http://conblocmanado.com/pics/file/34159992637.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f061ddedd0---8060824209.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_off0000e6a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6A3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000feb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEB5 | 17620 bytes |
SHA-256: 3fc695c07dbae4c112e60658343d972eb23c32d6ac61b731ac300023ae7183e5 |
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font_02_sfnt_off00012ccd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CCD | 11132 bytes |
SHA-256: c89ec9ac1a9d16cedafa76b4fc33380e7ca00f6357037248490c29dd588ca6e4 |
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