MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a callback-phone (TOAD) lure. 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 0.9947
Heuristics 6
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://coretry.ru/uplcv?utm_term=coc+server+apk+download PDF link annotation
- https://nstoplana.rs/ckfinder/userfiles/files/mavogaguj.pdfIn PDF document text
- http://101-games.ru/images/uploads/files/gaderafebutusage.pdfIn PDF document text
- http://jhdjt.com/images/upload/File/sudojefipijetekemeved.pdfIn PDF document text
- https://jxlmedu.com/file/files/20210904_084650.pdfIn PDF document text
- http://hamzalegalservices.com/userfiles/file/9633571557.pdfIn PDF document text
- http://importfoodfair.com/userfiles/image/2021/09/file/20149656280.pdfIn PDF document text
- http://closehorses.com/userfiles/file/8471802541.pdfIn PDF document text
- http://abwfinlay.com/uploads/files/wupigawivebisobifur.pdfIn PDF document text
- http://sanruou.com/app/webroot/uploads/files/sajenufuluvabajenikawudap.pdfIn PDF document text
- http://gpsputhuppally.com/userfiles/file/97579876258.pdfIn PDF document text
- http://caogenzhiben.com/filespath/files/20210904141905.pdfIn PDF document text
- http://kiuanai.com/userfiles/file/rujinasevazalora.pdfIn PDF document text
- https://frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/99493172631.pdfIn PDF document text
- http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/purozulajinivozadopijag.pdfIn PDF document text
- http://mos-craciun-inchiriere.ro/fckfiles/file/68777703354.pdfIn PDF document text
- http://zl369.net/userfiles/file/63444692361.pdfIn PDF document text
- http://fleshlight-tw.com/userfiles/file/85329614651.pdfIn PDF document text
- http://hemeringen.de/ckeditor_ablage/userfiles/files/balonujikepajazetob.pdfIn PDF document text
- http://olimpic.hu/ckfinder/userfiles/files/zuzupamolesezakeve.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/161362ce3dca77---21474465258.pdfIn PDF document text
- http://ckudzcssffhhj.handysociality.com/upload/files/wofukasutazed.pdfIn PDF document text
- http://softwarefactory.nl/images/file/nizusuwifu.pdfIn PDF document text
- http://npxbyy.com/wang3_3_10_27/Upload/Upload/file/202193925394639.pdfIn PDF document text
- https://accounting789.com/ThImg/file/jixuzu.pdfIn PDF document text
- https://lean-ds.com/upload/editor/file/napanosapekokod.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_off0000ba20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA20 | 10592 bytes |
SHA-256: dc0c606eba2993204ac0463f307ab372aff713f4b9e6311b925d437d6e759d27 |
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font_01_sfnt_off0000d288.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD288 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ea9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA9A | 16700 bytes |
SHA-256: f65e9fc507a3307a146267211f3f730df96e9b27859135508ecad3bfdbd769b0 |
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