MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for initiating malicious actions within a PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.8004
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://df-2.de/images/daten/file/jibututukilufenibi.pdf In PDF document text
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/kep6ipt453j0gn5oc2edivd2s9/78110925529.pdfIn PDF document text
- http://mediasingrid.com/js/new/fckeditor/userfiles/file/wexedajetiwezud.pdfIn PDF document text
- http://jew66.cn/fckimg/file/sexagikopidosafowimik.pdfIn PDF document text
- https://postelezmasivu-zlin.cz/ckfinder/userfiles/files/37080893576.pdfIn PDF document text
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/7128c1a7e344d1427ca705743942b763/27653797907.pdfIn PDF document text
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/8f8702a3dad34307b063e95d02e0935e/71440149091.pdfIn PDF document text
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/375069ecb564c1ad18abd0703ab57a01/nexuliwesusimogogil.pdfIn PDF document text
- https://f27szerviz.hu/upload/files/86335649611.pdfIn PDF document text
- http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/tofiragitigidubevak.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160791e8a14f62---30489246945.pdfIn PDF document text
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/gl0cjvajabksvnkecpfs9d4fu6/16608495321.pdfIn PDF document text
- http://3bbb.fr/ckeditor/upload/files/18136774813.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b280653e388---7998131469.pdfIn PDF document text
- http://qazaqbanki.kz/data/content/files/87412117849.pdfIn PDF document text
- http://cbafjvn.com/uploads/userfiles/file/borel.pdfIn PDF document text
- http://tyextractor.com/d/files/24809683158.pdfIn PDF document text
- http://hillsdalehorseboarding.com/ckfinder/userfiles/files/rikaseseruzowuwafogine.pdfIn PDF document text
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/3dde881fac68dfdcb478d66123c88626/terofo.pdfIn PDF document text
- http://gmei.lt/ckfinder/userfiles/files/17976147361.pdfIn PDF document text
- https://bikidi.com/UpFiles/WebEditorFiles/file/24234925291.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/5b00369134cf9a569cd1d6f39ac26a5b/68583648194.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/88246f01984d19d7eafb70e506b23e40/diganiduw.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=what+does+kpop+bts+stand+forPDF link annotation
- 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_off0000e88b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE88B | 10684 bytes |
SHA-256: 41380a4f4a0bb0bf788b2fec675519b5d69884c0e45e7be92c79604c97f63e3e |
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font_01_sfnt_off000100ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100CA | 16816 bytes |
SHA-256: 72f99edf8e218ce6442974ce47955b41877acfa7028df71e20f2d94dc9d06e1f |
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font_02_sfnt_off00012c88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C88 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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