MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
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://synerhu.ru/uplcv?utm_term=understanding+machine+learning+from+theory+to+algorithms+solution+manual PDF link annotation
- http://gmkms.net/upfile_editor/2021/files/fedusimedumipisevopokowo.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613a3954188ae---kofodamikibu.pdfIn PDF document text
- http://abwessex.com/uploads/files/63166523358.pdfIn PDF document text
- http://chelseafoodmart.com/uploads/files/kejazozem.pdfIn PDF document text
- http://pietroquatriniarchitetto.eu/userfiles/files/jixekugumaxarajatewilera.pdfIn PDF document text
- https://dnsbp.com/all4help/fckuserfiles/file/maduwuxemubiporubab.pdfIn PDF document text
- https://ww150007.linebot.net/upfile/files/20210925135442.pdfIn PDF document text
- http://elandtour.com/FileData/ckfinder/files/20210916_5455F734BA27300F.pdfIn PDF document text
- http://www.valathors.com/ckfinder/userfiles/files/9672232757.pdfIn PDF document text
- https://spacio.hk/attachment/file/suvifoxiseroxibuxezil.pdfIn PDF document text
- http://thecargonepal.com/userfiles/file/mugetiwofupumesezobi.pdfIn PDF document text
- http://effekt-film.de/files/file/wabolaz.pdfIn PDF document text
- https://condicionamentofisico.com/arquivos/file/kewizesexumerogaf.pdfIn PDF document text
- https://tavcam.com/upload/ckfinder/files/15514329210.pdfIn PDF document text
- https://e-ssuances.com/ckfinder/userfiles/files/kesaxamewoxemajifimub.pdfIn PDF document text
- http://cesarrodarte.com/userfiles/file/63140637343.pdfIn PDF document text
- https://vildmarksjagt.dk/userfiles/file/56642453747.pdfIn PDF document text
- https://linker.tw/files/60972534430.pdfIn PDF document text
- https://mhreng.com/userfiles/file/66348887620.pdfIn PDF document text
- http://diakmelo.hu/ckfinder/userfiles/files/gotodadi.pdfIn PDF document text
- https://hv2barrier.com/application/third_party/ckfinder/userfiles/files/81015817901.pdfIn PDF document text
- http://hcstonetw.com/uploads/files/202109131504304798.pdfIn PDF document text
- http://bochkari24.ru/pic/file/83364722954.pdfIn PDF document text
- https://www.karelo.com/uploads/File/70137476181.pdfIn PDF document text
- http://ytovietnam.net/ckfinder/userfiles/files/jexatobedoxejikuj.pdfIn PDF document text
- http://webinaris.blog/ckfinder/userfiles/publics/files/33107824407.pdfIn PDF document text
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/f6618ea3dd90fca5913b0ef50cd9e475/62680113705.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_off0000b638.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB638 | 16100 bytes |
SHA-256: ebcbef5e47f6e1ba41ab78d7b3cc7185ad7a078a8c978c84173cff8e9b355f8b |
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font_01_sfnt_off0000df02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF02 | 11144 bytes |
SHA-256: a1fcf043fe3f7e8ee50b1cb38204b5b62c751a1f41c94d70bc1e9ec68f82e786 |
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font_02_sfnt_off0000f8a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8A9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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