MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a large number of external links, many pointing to compromised WordPress sites. The primary function appears to be acting as a link farm, likely to redirect users to phishing pages or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.5479
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 https://smidgel.ru/uplcv?utm_term=mixed+tenses+worksheets+for+grade+9 PDF link annotation
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/6a4e8759d51f8bbb5138307ee4cfe655/sapejufog.pdfIn PDF document text
- https://agatanorek.com/files/file/67487340055.pdfIn PDF document text
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/v2ogs0f1kkvvr5fbel7to9r0gt/samufenoxuvu.pdfIn PDF document text
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7a60afbfdccd6b1ffdef6c255a27da85/16330351398.pdfIn PDF document text
- https://intersensor.ro/v2011/Files/fck_upload/file/lajusoxokajun.pdfIn PDF document text
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611a5b7f5b3cc---63786940443.pdfIn PDF document text
- http://china-zub.ru/userfiles/file/logibuxugukow.pdfIn PDF document text
- http://zangerlelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vosuladanusegulego.pdfIn PDF document text
- http://hk-keber.de/images/file/wokojasotinixu.pdfIn PDF document text
- http://maraulsan.com/ckfinder/userfiles/files/nejejudufokena.pdfIn PDF document text
- http://kursadowicz.pl/Upload/file/43632499964.pdfIn PDF document text
- http://friulanamarmi.it/images/file/38983615120.pdfIn PDF document text
- https://daleel.global/wp-content/plugins/super-forms/uploads/php/files/ko8u1fbho97cacs3njo1p0kka7/54922024717.pdfIn PDF document text
- https://aduanaldelvalle.com/userfiles/file/72357408973.pdfIn PDF document text
- https://wavemed.it/wp-content/plugins/super-forms/uploads/php/files/87bad13249dae670c202c52611756333/3156879076.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/01bd9d04ff07506d766a509ed8a0d287/36222342079.pdfIn PDF document text
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/u3konvj55ire0mcsp4ba3vtq3f/98669865399.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/33150580631.pdfIn PDF document text
- http://www.alex-vasilkov.ru/images/wisdom/file/22018256124.pdfIn PDF document text
- http://creativeindustries.ru/uploads/userfiles/file/modozivozenafezixi.pdfIn PDF document text
- http://daglichtfilters.nl/ckfinder/userfiles/files/pidajoxoderoveju.pdfIn PDF document text
- http://tivatijapan.com/uploads/userfiles/file/suzukuwofokufujisasabep.pdfIn PDF document text
- http://szentdorottyapatika.hu/files/zijuwerezuwuzexivuxagoj.pdfIn PDF document text
- https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/fp41b4plnbpg6i8ff2gpdc8h0d/misediwezopipekokinaxu.pdfIn PDF document text
- http://www.provinces.cmcgeneralate.org/files/js/ckfinder/userfiles/files/xuvojupodug.pdfIn PDF document text
- https://ta-taiwan.com/app/webroot/userfiles/files/mobirije.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d84a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD84A | 18284 bytes |
SHA-256: 55ecc7d438ac9ea8b21fc80ce148b7641e307f60db5abb3b28ba353e4a7aca62 |
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