MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to domains that appear to be part of a link farm or redirector infrastructure. Heuristics indicate this PDF is a link farm on disposable hosting, and ClamAV detected it as a phishing trojan. The ML classifier also strongly flagged it as malicious, suggesting its primary purpose is to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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=48+laws+of+power+law+20 PDF link annotation
- https://eijo.in/ckfinder/userfiles/files/66446465991.pdfIn PDF document text
- http://gurmanosypsnys.lt/userfiles/file/xadisewegujabena.pdfIn PDF document text
- https://hanomanberjaya.com/contents/files/92342926640.pdfIn PDF document text
- http://vipdiler.ru/files/file/gozerogetebojajuj.pdfIn PDF document text
- https://recapress.com/ckfinder/userfiles/files/sotuwumoguf.pdfIn PDF document text
- http://tgtech-auto.com/userfiles/file/zetixusav.pdfIn PDF document text
- http://supair-lux.hu/ckfinder/userfiles/files/darowes.pdfIn PDF document text
- http://netmutum.com/userfiles/file/3083201052.pdfIn PDF document text
- http://www.gdchgs.com/admin/img/files/57224796452.pdfIn PDF document text
- http://anadolumatbaa42.com/genelresimler/file/kibofun.pdfIn PDF document text
- https://kuni.ro/app/webroot/files/userfiles/files/69277059663.pdfIn PDF document text
- https://portalbime.com/UploadedFiles/New/file/bujir.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1615ca50c04946---xijatenerofidewopixulino.pdfIn PDF document text
- https://newfrio.com/userfiles/files/lewekevudaxup.pdfIn PDF document text
- http://gzcil.com/uploadfile/files/36172650453.pdfIn PDF document text
- http://www.scsk12.org/policy/files/files/66737422446.pdfIn PDF document text
- http://roomyab.ir/basefile/roomyabir/files/87969090399.pdfIn PDF document text
- http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/72445911937.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/3f4a66555de653161cd5a5c76eb005d2/15207606255.pdfIn PDF document text
- http://nktrading.qa/file/files/naxunawunidufev.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/ef2059cb215178c8d0075dc5f76a1d88/turitawogamowe.pdfIn PDF document text
- https://1000families.eu/userfiles/file/sixewukujuwogeb.pdfIn PDF document text
- https://mingyi-lock.com/data/file/userfiles/files/98979697769.pdfIn PDF document text
- http://optimumnieruchomosci.pl/uploads/userfiles/files/66908666100.pdfIn PDF document text
- https://sibservis.com/ckfinder/userfiles/files/jodaxotus.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_off0000df2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF2D | 18352 bytes |
SHA-256: b664e81d430b17500321302fa5bf77398427a8a9f9592f74b4b31013af5c4686 |
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font_01_sfnt_off00010e1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E1D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012634.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12634 | 10572 bytes |
SHA-256: 182576d38b30543f48f060f583884707004031a9127cdcb209ed422f427dff7d |
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