MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to disposable domains and are indicative of a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for executing malicious code within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://corumosmanlimakina.com/js/ckfinder/userfiles/files/22215740178.pdf In PDF document text
- http://dedanskecasinoer.dk/userfiles/file/47378480431.pdfIn PDF document text
- http://a2itsolutions.com/chop/multimedia/userfiles/file/wexanitisogetuto.pdfIn PDF document text
- http://gzperson.com/uploadfile/files/90658982637.pdfIn PDF document text
- http://elsped.hu/files/file/89088406060.pdfIn PDF document text
- http://top-rubber.com/admin/fckeditor/editor/filemanager/connectors/upload/file/fuwoxixugabenezutofiw.pdfIn PDF document text
- http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/42033241108.pdfIn PDF document text
- http://podwierzba.eu/ckfinder/userfiles/files/woxetelufugibulogefunoja.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615869eaaf7e1---65476555108.pdfIn PDF document text
- http://yuhenganquan.com/userfiles/file/20210921115504_452652425.pdfIn PDF document text
- http://slxiang.com/v15/Upload/file/202194181044232.pdfIn PDF document text
- http://foxdigi.com/userfiles/file/razurajisematora.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/jokilemot.pdfIn PDF document text
- http://agro-partner.com/Image/files/ribuwivuwuwitekatamuz.pdfIn PDF document text
- http://mazdooradda.com/userfiles/file/vudadeza.pdfIn PDF document text
- http://bangtaisay.com/uploads/userfiles/file/58395849293.pdfIn PDF document text
- http://hitechdentalhouston.com/uploads/files/ladilinez.pdfIn PDF document text
- https://cleanenergy.mn/uploads/files/77989694233.pdfIn PDF document text
- http://faurerom.com/userfiles/file/50963058420.pdfIn PDF document text
- http://autohondl.cz/userfiles/file/70516492933.pdfIn PDF document text
- http://elvirajogsi.hu/ckfinder/userfiles/files/voxibodesedosegexekemabe.pdfIn PDF document text
- http://archissimo.eu/userfiles/files/23844940053.pdfIn PDF document text
- https://qcbusa.barettis.com/userfiles/file/zidusomesavupajug.pdfIn PDF document text
- http://longarmacademy.net/fckeditor/userfiles/file/57940422837.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=the+mountain+goats+we+shall+all+be+healedPDF 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_off0000b981.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB981 | 16220 bytes |
SHA-256: 0f140cdb8f44989b3863d47fde288d45d6e3c17fbb6f7eb7c4b689053c84afe5 |
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font_01_sfnt_off0000e355.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE355 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fb6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB6C | 10884 bytes |
SHA-256: 53dd2774ed1ba388c874061a99393d993d14618b3caba93f78cd6c37d9da669e |
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