MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier with high confidence. It contains embedded JavaScript, indicating a potential for malicious execution. The PDF also acts as a link farm with numerous external URIs, many hosted on potentially disposable domains, suggesting an attempt to redirect users to malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 http://cuacuonductudong.com/upload/files/41663686594.pdf In PDF document text
- https://szabobuszberles.hu/files/files/35824449351.pdfIn PDF document text
- http://kompassztuki.pl/Image/files/vexumezabiwavawinup.pdfIn PDF document text
- http://esipro.lu/userfiles/file/13801371140.pdfIn PDF document text
- http://divapharma.com/uploaded/file/27469432836.pdfIn PDF document text
- http://gediklimakinahidrolik.com/resimler/files/pirizixetutofid.pdfIn PDF document text
- https://podiummagazinenews.com/ckfinder/userfiles/files/64456491887.pdfIn PDF document text
- http://thrifty-uy.com/files/others/46228997091.pdfIn PDF document text
- http://prabashproperties.com/ckfinder/userfiles/files/segebifesizevuridoteruj.pdfIn PDF document text
- http://canadapremiumlubes.com/survey/userfiles/files/30246672.pdfIn PDF document text
- https://studiopros.com/userfiles/file/In PDF document text
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7d8570c8a---pewugaduna.pdfIn PDF document text
- http://www.benyowsky.com/resources/files/18986737730.pdfIn PDF document text
- http://ongxoanhdpe.vn/upload/files/xulido.pdfIn PDF document text
- https://volpatoebrum.com.br/_common/admin/scripts/ckfinder/userfiles/files/zutokal.pdfIn PDF document text
- http://pscworld.eu/ckfinder/userfiles/files/36827429877.pdfIn PDF document text
- http://makesrealsense.com/ckfinder/userfiles/files/wositogobowe.pdfIn PDF document text
- https://www.pepinieres-gey.fr/ckfinder/userfiles/files/kexidakikaduzimikewuse.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139319643894---gomik.pdfIn PDF document text
- http://uhy-th.com/image/upload/files/guvojilolutekigejusoki.pdfIn PDF document text
- https://airxps.com/userfiles/files/gobej.pdfIn PDF document text
- https://agmatbaa.com/upload/files/74753063637.pdfIn PDF document text
- http://daiichibus.vn/uploads/news_file/22787595183.pdfIn PDF document text
- http://mmbassisiprovince.in/files/js/ckfinder/userfiles/files/86349925124.pdfIn PDF document text
- http://sarkanyhajo.hu/files/file/vowigalemuzig.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=essentials+of+human+anatomy+and+physiology+10th+edition+pdf+freePDF 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_off0000dc12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC12 | 17264 bytes |
SHA-256: 05b347c9a3825d33d1677f09b815c0e8d859bd98569cfde4cac60cf8f66327d3 |
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font_01_sfnt_off0001096d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1096D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012184.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12184 | 11316 bytes |
SHA-256: 249fd38b525dd63cdab209e36af09f9cebbc48e8d7e4cbce811330d55005506f |
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