MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by multiple heuristics, including a high-confidence ML classifier and ClamAV, flagging it as a phishing trojan. It contains numerous external URIs and is identified as a link farm on disposable hosting, suggesting a redirection mechanism. The PDF structure and embedded URLs indicate an attempt to direct users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 6
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://queure.ru/uplcv?utm_term=essential+calculus+early+transcendentals+2nd+edition+pdf PDF link annotation
- http://debeight.net/UserFiles/File/20704745119.pdfIn PDF document text
- https://md-bud.pl/szklo/photos/file/lisaganawiwijupewakozabep.pdfIn PDF document text
- https://bfull.ru/uploads/files/59895542132.pdfIn PDF document text
- http://top1np.com/ckfinder/userfiles/files/14725257532.pdfIn PDF document text
- http://anpo.vn/upload/files/nesewogebose.pdfIn PDF document text
- http://artikos.pl/userfiles/file/36581385471.pdfIn PDF document text
- https://binarbaidfabrication.com/public_html/userfiles/file/10831077092.pdfIn PDF document text
- http://dijladentalcenter-qa.com/userfiles/file/35744271623.pdfIn PDF document text
- https://hotararicedo.ro/files/files/nidedut.pdfIn PDF document text
- https://takipcisec.com/calisma2/files/uploads/tudipepe.pdfIn PDF document text
- http://langyupharm.com/upload/files/88197765290.pdfIn PDF document text
- http://presssimayeshahr.ir/pic/file/32312115555.pdfIn PDF document text
- http://tksvolga.ru/userfiles/file/6456719180.pdfIn PDF document text
- http://www.urbanwaterways.info/files/39571948733.pdfIn PDF document text
- http://www.naraihillgolf.com/admin/userfiles/file/rezekopefogine.pdfIn PDF document text
- http://podlahyadvere.sk/editor_uploads/system/files/xidibowaserodekawofetoso.pdfIn PDF document text
- https://saigonservices.vn/images/uploads/files/5286286988.pdfIn PDF document text
- https://guanlai.tw/uploads/files/202109131925282074.pdfIn PDF document text
- https://bodykneadstherapy.com.au/ckfinder/userfiles/files/sefozusijote.pdfIn PDF document text
- https://rainbowfurnitures.com/files/files/fisixesodusaja.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141848e01b10---sinafagopafiged.pdfIn PDF document text
- http://jr-bang.com/uploadfiles/20210905185329.pdfIn PDF document text
- http://hotelpenza58.ru/ckfinder/userfiles/files/3449685608.pdfIn PDF document text
- http://anthonyvienna.com/sites/default/files/file/xotodufaxi.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_off0000cc36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC36 | 10928 bytes |
SHA-256: 57204f1b4dc51cc546fb64c2824a7b2476145010f9eb9dee17ca9d1f2c98a0fb |
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font_01_sfnt_off0000e5b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5B8 | 17904 bytes |
SHA-256: d5ee02e718ee3e146fa7bde85f327b449a80d5d3bffdd2e763dbe6009782a7fc |
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font_02_sfnt_off00011445.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11445 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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