MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm on disposable hosting. The 'SE_CALLBACK_LURE' heuristic indicates the document is designed to trick users into calling a phone number, consistent with phishing or tech-support scams. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it may leverage JavaScript for malicious purposes, potentially leading to further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://allytemp.ru/uplcv?utm_term=noise+cancelling+app+for+phone PDF link annotation
- http://ilovechardonnayhills.com/userimages/lonubefi.pdfIn PDF document text
- http://skolky.info/foto/images/file/mupomikopijebuwumobo.pdfIn PDF document text
- http://www.corazondelsol.es/ckfinder/userfiles/files/mezorekizigoxoxajutuz.pdfIn PDF document text
- http://hairfibers24.com/upload/file/33797184386.pdfIn PDF document text
- http://ipmarketing.net/FCKeditor/editor/filemanager/connectors/userfiles/file/35065767352.pdfIn PDF document text
- http://hzyixiangchem.com/upload/files/fatiraj.pdfIn PDF document text
- https://ctners.com/ckfinder/userfiles/files/lefepipofamuwelalus.pdfIn PDF document text
- http://memsports.com.br/admin/libs/ckeditor/ckfinder/files/53553090511.pdfIn PDF document text
- http://fsoa.cn/userfiles/file/bitilodupezapuxezig.pdfIn PDF document text
- http://tvkinter.com/file_media/file_image/file/99707004153.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee120590e3---50858427266.pdfIn PDF document text
- https://forumsevens.com/images/file/74395891807.pdfIn PDF document text
- http://verynailscm.com/user_img/file/bepadamas.pdfIn PDF document text
- http://skene.es/userfiles/file/vepiximixafejawivejal.pdfIn PDF document text
- http://yer-krasnodar.ru/ckfinder/userfiles/files/zivopomedexibarelotusaf.pdfIn PDF document text
- https://parklanehotel.asia/userfiles/file/watakotanozotivukuwapebax.pdfIn PDF document text
- http://coral-travel66.ru/admin/ckfinder/userfiles/files/49049746881.pdfIn PDF document text
- https://www.cosanuesa.com/componentes/editor/ckfinder/userfiles/files/kenom.pdfIn PDF document text
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/hos6lhurirs4ua2fbnckem8c53/40264185616.pdfIn PDF document text
- https://kotata-zlin.cz/obr/clanky/file/gajelapige.pdfIn PDF document text
- https://rachelrom.com/rescontent/file/rebebinabomavopob.pdfIn PDF document text
- https://cobaltinc.org/userfiles/file/40756240936.pdfIn PDF document text
- https://boucherienabli.com/uploads/FCK_files/file/ziporoliduvabuxe.pdfIn PDF document text
- http://medicapoland.pl/uploaded/file/kebemusivodenevivowo.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_off0000df83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF83 | 10640 bytes |
SHA-256: ac1ee1380537add979534be3d71ba7e5261c7fc2a2f1c976c0f480fc1fb4b677 |
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font_01_sfnt_off0000f7c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010fd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FD8 | 18388 bytes |
SHA-256: d77d11031c10ccdaa0ce9c5d90bd1af1b92953664a70a09dcc6328c70a0bfabf |
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