MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URLs, many of which are hosted on disposable domains, indicating a phishing or malware distribution attempt. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' strongly suggests the document's purpose is to trick the user into believing they need to provide a password to access an archive, a common method to conceal malicious payloads from initial scanning. ClamAV detection further confirms its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://krisoc.ru/uplcv?utm_term=pearson+and+gallagher+gradual+release+of+responsibility PDF link annotation
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612fa8061b427---pudifepikemevotaj.pdfIn PDF document text
- https://stpatswatertown.org/ckfinder/userfiles/files/53433213831.pdfIn PDF document text
- https://kolkataangikar.org/ckfinder/userfiles/files/gofebarutakawafi.pdfIn PDF document text
- http://3qlohas.com/CKEdit/upload/files/xewemewevasewawedogaxegi.pdfIn PDF document text
- https://registracijakoncar.com/webroot/js/ckfinder/userfiles/files/fekabedidajejo.pdfIn PDF document text
- http://aow.infogestnet.it/ckfinder/userfiles/files/18464834566.pdfIn PDF document text
- https://sieuthigo.vn/upload/ck/files/11618671659.pdfIn PDF document text
- https://repetitorebi.ge/userfiles/files/perinawimijelejofex.pdfIn PDF document text
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130f8f20ece1---36196774831.pdfIn PDF document text
- https://resulgame.com/calisma2/files/uploads/risavegikitelilolukudob.pdfIn PDF document text
- https://tranthachcaodanang.com/uploads/image/files/51579896330.pdfIn PDF document text
- https://www.jdconstinc.com/ckfinder/userfiles/files/74857449795.pdfIn PDF document text
- http://rszm88.com/upfolder/e/files/20210903025451.pdfIn PDF document text
- https://hondamienbac.vn/userfiles/file/powewib.pdfIn PDF document text
- http://petgears.com/app/webroot/files/file/wigivoxalaxuwogevomelelu.pdfIn PDF document text
- https://kimcert.net/E/file/93141691933.pdfIn PDF document text
- https://badanie-wody.pl/galeria/file/26950411002.pdfIn PDF document text
- http://umffz21.ru/admin/ckfinder/userfiles/files/dulepebilatoneluxepafipo.pdfIn PDF document text
- http://chenruichem.com/upload/files/bupijexuputefi.pdfIn PDF document text
- http://kientrucphatloc.com/upload/files/mojerojekunubidabag.pdfIn PDF document text
- https://corpeverest.com/ckfinder/userfiles/files/fenilisofapil.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_off0000d276.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD276 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ea8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA8D | 11132 bytes |
SHA-256: 119bf31719df5dbbcbd09f8ea4a1ec7433e63f66820810c9865f7fbeacb12f17 |
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font_02_sfnt_off00010405.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10405 | 17360 bytes |
SHA-256: fcd6bd6cdcce20517e0ced3a86f0fe77761352824f25b8850d931f3b24566a89 |
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