MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. The numerous external URIs, many pointing to compromised WordPress sites, suggest a link farm designed to redirect users to malicious content, likely for phishing or malware delivery. ClamAV and ML classifiers also flagged this PDF as malicious, supporting the assessment of a phishing or trojan threat.
Machine Learning
- Nyx PDF Classifier malicious score 0.9143
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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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://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c61845a4c91---rudalor.pdf In PDF document text
- http://bakoca.hu/files/file/79249859680.pdfIn PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/efe0416a4723f0d7eb2e5139be0c1edb/46435400910.pdfIn PDF document text
- http://co-wemart.com/careeruserfiles/file/mizozuwexapewesim.pdfIn PDF document text
- http://kiuruvedenlukio.fi/tiedostot/file/fepug.pdfIn PDF document text
- http://peterpan1996.it/userfiles/files/70626688987.pdfIn PDF document text
- http://josephfellerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zexukagax.pdfIn PDF document text
- http://dungcubepgiangtrinh.com/webroot/img/files/67881791936.pdfIn PDF document text
- http://teaandtiarasottawa.com/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/zurutolurusafamavepo.pdfIn PDF document text
- https://bdaudit.ro/userfiles/file/vavaruzaramurenolaf.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a556e6a0ca6---zujefobir.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/169a7f27f98a946e7e045167f704d52a/ladotavewimepojas.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160f654998a8c8---bazixa.pdfIn PDF document text
- http://benardoutlite.com/admin/fckeditor/fckdata/file/9259324675.pdfIn PDF document text
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/lf5e9icplgn68hdp187q7s4f96/10079515000.pdfIn PDF document text
- http://stellarp.com/userfiles/files/49735096387.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160b22134a1a98---zebuwewixeduwoto.pdfIn PDF document text
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a463ac653e5---jituzarafuk.pdfIn PDF document text
- http://asbu.net/uploads/FCK_files/file/74271357475.pdfIn PDF document text
- https://luxesystem.site/js/ckfinder/userfiles/files/10496229614.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/0087694683bd0c59f1bc1cd79bc863c7/kebixenekijawedovubeto.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8601b07efc---53457764193.pdfIn PDF document text
- http://votejoedestefano.com/editorData/file/17592603559.pdfIn PDF document text
- http://kmkonsult.cz/userfiles/file/3426509937.pdfIn PDF document text
- https://soroptimist.be/oldsite/intranet/ckeditor/ckfinder/userfiles/images//files/38135953795.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=dry+corners+of+mouthPDF 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_off0000e920.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE920 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010132.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10132 | 17584 bytes |
SHA-256: 73250bd75fdced7ae7bf682571028481819febe8af1f2cef1a488ced7a4c4f59 |
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font_02_sfnt_off00012ef1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EF1 | 10516 bytes |
SHA-256: ec0b151fe4e8eb3c70d3d1efc792d1b77ae8c3ea370baf51dcdca69919cc0923 |
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