MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, indicating an attempt to redirect the user to malicious sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests a phishing or malware distribution scheme. The ML classifier and ClamAV detection further support the malicious nature of this file, likely used as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9893
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 http://sloplast.com/userfiles/files/zironuvefijolososemaz.pdf In PDF document text
- https://nilsahost.com/calisma2/files/uploads/66110844243.pdfIn PDF document text
- http://bulgankhangai.mn/userfiles/files/kevixejoluxugusufavedi.pdfIn PDF document text
- http://www.grifin.sk/files/11117531680.pdfIn PDF document text
- http://uceng.net/_UploadFile/Images/file/16697094033.pdfIn PDF document text
- http://locke-3c.tw/uploads/files/202109021812109706.pdfIn PDF document text
- https://zweefvlieg.net/userfiles/file/45897635989.pdfIn PDF document text
- https://almuhja.ps/ckfinder/userfiles/files/lifogadutitovizobaf.pdfIn PDF document text
- http://ktcyy.com/ckfinder/userfiles/files/dugemuzegoludupedefapebex.pdfIn PDF document text
- https://km2804.com/ckupload/files/80612410677.pdfIn PDF document text
- https://jatransfer.com/userfiles/file/90571360365.pdfIn PDF document text
- http://www.insight-assessment.com/ckfinder/userfiles/files/wulifizofogorokurefetixa.pdfIn PDF document text
- http://www.grupoaccs.net/ckfinder/userfiles/files/gugiboxejadujiwib.pdfIn PDF document text
- http://csc020.com/userfiles/file/20210912115850_gyyery.pdfIn PDF document text
- https://altaitur.com/ckfinder/userfiles/files/kulobazasisuridomawemopug.pdfIn PDF document text
- http://s8radziejowice-paszkow.pl/userfiles/file/25856106703.pdfIn PDF document text
- http://klaaswester.nl/img/file/banebutepevelafabev.pdfIn PDF document text
- http://hidropro.hu/upload/lakavixuxosobubuvowarasi.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/7b73bedca3d6c4ee6e7fe424bfd787ad/bepibisumazedirewukoriri.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16135ca61a3fcb---pajewaxozuwiwokuwuvo.pdfIn PDF document text
- https://sydneystudytour.com/accounting/userfiles/file/miwusezivenaxelamutex.pdfIn PDF document text
- https://almuhja.com/ckfinder/userfiles/files/89021374386.pdfIn PDF document text
- https://sonerofset.com/userfiles/file/lejijidilorasejaruwum.pdfIn PDF document text
- http://suvagcentr.ru/userfiles/files/kiwofolazawozapo.pdfIn PDF document text
- http://ameshamagazine.com/js/upload/files/nadularilajibebutozanilo.pdfIn PDF document text
- https://celebicatering.com/upload/ckfinder/files/9335282578.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=naruto+roblox+idPDF 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_off0000b0cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0CB | 14904 bytes |
SHA-256: 520da862167ed3e59600663beb08f227afbbdedefa60f88e5485d61ba58401ad |
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font_01_sfnt_off0000d616.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD616 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ee2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE2D | 10156 bytes |
SHA-256: 78be327a0cc488a1880db2b02204db77e1e849247ae7c3c79898d3542c460d24 |
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