MALICIOUS
132
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected by ClamAV as Pdf.Phishing.Trojan. It contains embedded JavaScript and a link farm pointing to multiple distinct hosts, some of which are associated with compromised CMS uploads. The embedded JavaScript likely facilitates the redirection or download of a secondary payload, while the link farm serves to obscure the ultimate destination and evade basic URL reputation checks.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4850
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 https://terlickodds.cz/www/www/fckphotos/file/76378531685.pdf In PDF document text
- http://sochi-riba.ru/ckfinder/userfiles/files/vodewupezapijipofo.pdfIn PDF document text
- http://k2plusinterior.com/userfiles/89187328383.pdfIn PDF document text
- https://tidurmalam2.com/contents/files/xisavarurin.pdfIn PDF document text
- http://myapartment.de/web/editor/files/4160630079.pdfIn PDF document text
- http://goodlife88.com/uploads/files/20033562341.pdfIn PDF document text
- http://tk-weld.com/images/library/File/92954616148.pdfIn PDF document text
- http://eschool365.in/js/admin/uploadfiles/file/lezimiramupijipukeperoziz.pdfIn PDF document text
- http://mudrkanuch.sk/editor_uploads/system/files/bimufejatalixefakowovadi.pdfIn PDF document text
- https://holcom-solar.com/webroot/img/files/lifomega.pdfIn PDF document text
- http://nikacarpet.com/My_Project/Hamishe_bahar/ahar_img/files/3021878699.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/76aujrtvf90s1g9f42le8rpoii/dubofodegutukep.pdfIn PDF document text
- http://gatewayhotelbangkok.com/upfile_hotel/files/zomirujokawigitanivozu.pdfIn PDF document text
- http://elistaprezentow.pl/userfiles/file/98142633449.pdfIn PDF document text
- http://tongchangkj.com/uploadfile/file///2021090111120532.pdfIn PDF document text
- https://apaman.ti-am.jp/js/ckfinder/userfiles/files/99264941201.pdfIn PDF document text
- https://www.kindspring.org/inc/ckfinder/userfiles/files/daluteroderuwizibawiwoz.pdfIn PDF document text
- http://orsini-blasioli.it/userfiles/files/34437457105.pdfIn PDF document text
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/5b524a2822edb3e36d31f5751e859b46/sebedotagunepedezitewaf.pdfIn PDF document text
- http://bdpq.hungminhits.com/files/uploaded/files/36869635179.pdfIn PDF document text
- http://tl-maskinfabrik.dk/userfiles/file/12809570927.pdfIn PDF document text
- http://sbcnepal.com/images/file/11328526772.pdfIn PDF document text
- https://kenadong.com/contents/files/61117470655.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eea5f1f6ee---tegugelusape.pdfIn PDF document text
- https://hijaulumut.com/contents/files/mitine.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613203a665a92---tufos.pdfIn PDF document text
- http://3bbb.fr/ckeditor/upload/files/wisasisevonotafowokadi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=pokemon+go+iv+iosPDF link annotation
- 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_off0000c34c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC34C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000db63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB63 | 10204 bytes |
SHA-256: 8c8a2fe9a5a2492145e0adc629248ab7c1af15c4c9e17f124130dd3898bbb361 |
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