MALICIOUS
132
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF containing embedded JavaScript, which is a common technique for delivering malicious payloads. The PDF also hosts a link farm pointing to compromised WordPress sites, likely serving as a lure to download a second-stage payload. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature. The embedded JavaScript likely attempts to exploit vulnerabilities or redirect the user to download further malware.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4750
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=windows+8.1+media+creation+tool+download PDF link annotation
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c02b26315e5---xitabem.pdfIn PDF document text
- https://palcev.ru/userfiles/file/20814059175.pdfIn PDF document text
- https://raljob.com/userfiles/file/mopopikisikuxadogojopapin.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/16096ce4f0fdbd---8317871682.pdfIn PDF document text
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/1jd8vcadlenpv0kuuegkgbcct3/tobuzisajakipik.pdfIn PDF document text
- http://ruilong-ironwork.com/CKEdit/upload/files/69771256186.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607766b835c2d---navenadupulofud.pdfIn PDF document text
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/d2c792edb9d34604f59e20cc6539a3ce/fegikotasigudamaligix.pdfIn PDF document text
- https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/36512784782.pdfIn PDF document text
- http://anupbolivia.com/images/files/zesibegasoxoze.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f878f0b47c---18063892733.pdfIn PDF document text
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/e43a6ce7ff9300ec9ef14502d170ef9d/88946620050.pdfIn PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607aea8c09988---43600224246.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/1320d4c453e821246f11c80c8e1ed22b/weximebunolezotuwazupug.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/b128825807b2da3a79f023838d8fdd6b/90110344028.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609834c149e13---nolemefod.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9bae44a6c5---fozagox.pdfIn PDF document text
- https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/4ngu9gcv4muiavqah65q29grm1/7106461563.pdfIn PDF document text
- http://0930actress.com/files/files/17389318233.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/69a3913c02c212c7d8a3b56058c8d859/xesefadajipe.pdfIn PDF document text
- https://newchat.xyz/js/ckfinder/userfiles/files/63042310253.pdfIn PDF document text
- http://51-lq.com/userfiles/file///kesivowofepovaj.pdfIn PDF document text
- http://www.anclupnapoli.it/userfiles/file/rotowafomupesi.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eb0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB0E | 17180 bytes |
SHA-256: f0aef434c23837c59d7cac3d5eb16847d0dfe03a4eecdaed441645114a05dc0d |
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font_01_sfnt_off00011802.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11802 | 10936 bytes |
SHA-256: 5d6a7c7b9a47b23c8231fc40a2b04a520b36a972f9af08c38b8bed3b3ba36f41 |
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