MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF identified as malicious by ClamAV and an ML classifier. It contains numerous external links, many pointing to potentially compromised websites or disposable hosting, indicative of a link farm used for phishing or malware distribution. The presence of 'utm_term=download+chat+master' in one URL suggests a lure to download potentially unwanted software.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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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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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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://nomylo.ru/uplcv?utm_term=download+chat+master PDF link annotation
- http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jifaxegepe.pdfIn PDF document text
- http://carszana.com/image/upload/File/tupabururotuzu.pdfIn PDF document text
- https://mintowncoffee.net/uploads/images/files/18205673822.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/rdasm2kg5lnoou2r9r2jgh1g3g/30041203371.pdfIn PDF document text
- http://mq-water.net/upload/79252261050.pdfIn PDF document text
- http://liceoadultos.juniorcollege.cl/userfiles/files/89908233783.pdfIn PDF document text
- https://doucetplasticsurgery.com/ckfinder/userfiles/files/gidazeziwofimagewawaf.pdfIn PDF document text
- http://sibinetweek.ru/userfiles/file/85029480106.pdfIn PDF document text
- http://b40555.handyfriendship.com/upload/files/levitobuxiwenuxu.pdfIn PDF document text
- https://skywaytravelandholidays.com/ckfinder/userfiles/files/suxusapedep.pdfIn PDF document text
- https://thailonghoang.vn/upload/files/95708725527.pdfIn PDF document text
- https://pataniforum.com/admin/jquery/ckfinder/userfiles/files/xedamodarezedud.pdfIn PDF document text
- http://mbjarrahi.com/UploadedFiles/New/file/44720715828.pdfIn PDF document text
- http://captainkillmite.com/uploads/files/202109090606432854.pdfIn PDF document text
- https://agrilaui.com/userfiles/file/jowonew.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/rq5snr8e6if7btafjjiam6b58f/gelulifexopaki.pdfIn PDF document text
- http://studioghittigargnano.com/userfiles/files/94799668754.pdfIn PDF document text
- http://elitvorota.ru/f/file/sozasonojapivepati.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/15b2nr3jubofeur5qkatv34367/33717198940.pdfIn PDF document text
- https://www.hkha.org/ckfinder/userfiles/files/roxavivitipubo.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16139c7a6f0733---82953404801.pdfIn PDF document text
- http://marcus-1.com/FileData/ckfinder/files/20210911_70A143F27E580C18.pdfIn PDF document text
- http://nktrading.qa/file/files/sopugimikufikis.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_off0000b3fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3FD | 10632 bytes |
SHA-256: 0085f218af703144476cf38e9cfe1954792fd7fb337170cb7e2cf2de36ffb68c |
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font_01_sfnt_off0000cc2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC2F | 14672 bytes |
SHA-256: e1e9e3883ad418321cd8096b69eda855acad022ff0e3c70d3cbb8fdc9db7138c |
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font_02_sfnt_off0000f117.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF117 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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