MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for malicious PDFs. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is a link farm on disposable hosting, suggesting a phishing or scam attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://nenkin-t.com/upload_img/ck/files/75739466190.pdf In PDF document text
- http://jadever.vn/Images_upload/files/muwel.pdfIn PDF document text
- http://tc-muehlacker.de/data/tcmuehlacker/userfiles/file/nulovumidonuva.pdfIn PDF document text
- http://xn----7sbakn3aoflleitf3m6a.xn--p1ai/userfiles/file/jexumunipotivefefujumu.pdfIn PDF document text
- https://evrenmentese.com/upload/ckfinder/files/pabevasisazaribo.pdfIn PDF document text
- http://bratislava.topenglish.sk/app/webroot/gallery/files/movirixawefesukavumefe.pdfIn PDF document text
- http://incomsistema.ru/ckfinder/userfiles/files/55652557758.pdfIn PDF document text
- https://maytinhdalat.vn/images/uploads/files/53135873617.pdfIn PDF document text
- http://esistore.com/userfiles/file/tijakofemuzikotakikumonud.pdfIn PDF document text
- http://ashole.hu/UserFiles/File/gogikoramopinulugofogexus.pdfIn PDF document text
- http://hanshintech.net/data/file/pakujegix.pdfIn PDF document text
- http://cattaneoarchitetti.it/userfiles/files/fatogoruxererava.pdfIn PDF document text
- https://www.playitdirect.ca/ckfinder/uploadfiles/files/luwipod.pdfIn PDF document text
- https://nicklason.se/ckfinder/userfiles/files/96694412380.pdfIn PDF document text
- https://ichapps.com/ichapps/ckeditor-ckfinder-integration/uploads/files/56647862612.pdfIn PDF document text
- http://due.pt/js/ckfinder/userfiles/files/legunojubipegexogavafimi.pdfIn PDF document text
- http://szjwwj.com/userfiles/file///50831822534.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/161467e4831c32---55245639223.pdfIn PDF document text
- http://getvisa.ru/images/File/12145370728.pdfIn PDF document text
- https://luxesystem.site/js/ckfinder/userfiles/files/84809095602.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1614c632a776a2---nubibudedarijir.pdfIn PDF document text
- http://german-ex.com/images/blog/file/77276418830.pdfIn PDF document text
- http://www.cenlajobinator.com/siteuploads/editorimg/file/vejife.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=what+is+the+best+gun+in+warzonePDF 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_off0000b04c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB04C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c85e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC85E | 16276 bytes |
SHA-256: 1d01e26d238fd8e340d8ec16e8f4fb4e0888f8560c1442ac0a2bd58f760d9ae9 |
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font_02_sfnt_off0000f18b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF18B | 10720 bytes |
SHA-256: 29f4638758a254c686db69f6a4f732b027620d104e5ef485667e4cb3cf40e631 |
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