MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains an embedded JavaScript stream and numerous external URIs, many of which point to compromised websites or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed as a link farm, likely to redirect users to malicious content or phishing sites. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://cructi.ru/uplcv?utm_term=snaptube+music+and+video PDF link annotation
- https://www.e-oswiata.olesnica.pl/ckfinder/userfiles/files/taropijapuk.pdfIn PDF document text
- http://sriraghavendratemple.com/ckfinder/userfiles/files/mobawudazodel.pdfIn PDF document text
- https://fundacionamigosdelmarcaribe.ong/ckfinder/userfiles/files/kalakupatavosi.pdfIn PDF document text
- https://u-spot.biz/js/ckfinder/userfiles/files/weboremibejudufegisu.pdfIn PDF document text
- http://mapect.com/upload/fckeditor/file/88665999185.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/dab8017ab84869e79cc089508817bd3c/nikodekon.pdfIn PDF document text
- http://k2plusinterior.com/userfiles/74155213332.pdfIn PDF document text
- http://tropo-design.com/ckfinder/userfiles/files/getefukixiranulomatipogub.pdfIn PDF document text
- http://studioarclab.eu/userfiles/files/20355925541.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408c867befc---rejupurozotoda.pdfIn PDF document text
- https://congtydaihai.com/upload/files/tixenifupipo.pdfIn PDF document text
- https://path.mn/userfiles/files/27874139320.pdfIn PDF document text
- http://photo-ostrov.com/ckfinder/userfiles/files/wofoweramefopibek.pdfIn PDF document text
- http://hawaiisushi.iorderfoods.com/uploads/files/fosekewaru.pdfIn PDF document text
- http://mertcelikkapi.com/userfiles/file/vejuledamigu.pdfIn PDF document text
- https://www.nickelmarket.co.za/includes/ckfinder/userfiles/files/66932628437.pdfIn PDF document text
- http://usagimatur.com/files/others/22222214319.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/c60092a3e39735f69e6097f2a62eb1a7/27663809747.pdfIn PDF document text
- https://univerosg.com/ckfinder/userfiles/files/sapemew.pdfIn PDF document text
- https://securitydm.eu/slicice/file/pifevibegi.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_off0000d7ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7AB | 10908 bytes |
SHA-256: 04dfc3bcfd41660fdde7061ac8c7b57f6ee8459ef15a240795c7e32c31475a70 |
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font_01_sfnt_off0000f0b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0B6 | 18248 bytes |
SHA-256: fd18b6a48d532ff832698d1c437006f02946f92c3b2a8e97ce6876bdf98aff03 |
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font_02_sfnt_off00011fe3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FE3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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