MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM and the numerous unknown URLs suggest a phishing or spam campaign aiming to drive traffic to potentially malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://nangluongvada.com/uploads/files/62099440645.pdf In PDF document text
- http://berallebags.com/UploadFiles/FCKeditor/20210903030530.pdfIn PDF document text
- https://gonguyenkhoi.vn/upload/files/80079169103.pdfIn PDF document text
- http://suliaok.com/v15/Upload/file/202193354311090.pdfIn PDF document text
- http://antonioruizabogados.es/userfiles/file/2548442490.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/16133efc1cc7e4---4536748381.pdfIn PDF document text
- https://snqrsl.quebec/upload/editor/file/7513973162.pdfIn PDF document text
- https://jungleflightchiangmai.jungle-flight.com/Uploads/files/tubumeraveguvukoku.pdfIn PDF document text
- https://hondaotohaiphong.vn/upload/files/mipigegofesomak.pdfIn PDF document text
- http://a-swiss.com/upload/userfiles/file/rimajiriku.pdfIn PDF document text
- http://affordableadobe.com/ckfinder/userfiles/files/4292347932.pdfIn PDF document text
- http://codienlanhminhquang.com/upload/files/nujutukalilafelanugarizox.pdfIn PDF document text
- http://hiace-yoshikawa.com/js/upload/files/35892848122.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee1ec6f141---95200820296.pdfIn PDF document text
- http://pharmabiosolutions.com/filespath/files/20210901073045.pdfIn PDF document text
- https://mamotato.ro/userfiles/file/92752326051.pdfIn PDF document text
- http://galantemontagnana.it/ckfinder/userfiles/files/13623952945.pdfIn PDF document text
- http://eqletstalk.com/uploads/files/202109092129248599.pdfIn PDF document text
- http://jingyilin.org/uploads/file/tuxaburidu.pdfIn PDF document text
- http://chafewyuok.handysociality.com/upload/files/xodazuferovo.pdfIn PDF document text
- http://patrickstaxi.fr/userfiles/file/54522839127.pdfIn PDF document text
- https://idroilektriki.gr/files/file/gonunovijapokajoranufuneb.pdfIn PDF document text
- http://hightopeducation.com/cms_uploaded/file/84245256839.pdfIn PDF document text
- https://preprodpcb.com/userfiles/files/1615772593.pdfIn PDF document text
- https://culturasiapamplona.com/guiarte_userfiles/files/xanegodobesidotupulot.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=what+is+fetlife+app+apkPDF link annotation
- 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_off0000e73e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE73E | 19568 bytes |
SHA-256: 0aed55e226a7599c60c054ac388f1f497126819a3c81abbf2af64457ca0957d1 |
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font_01_sfnt_off00011a11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A11 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013228.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13228 | 10216 bytes |
SHA-256: 5a2ea7376727c568bee965b5166e6ba7261fb3ee5be9f17c351ef3d042018ff7 |
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