MALICIOUS
132
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 within documents. It also features a link farm pointing to compromised websites, including one hosted on a compromised WordPress upload directory. ClamAV detection confirms its malicious nature, identifying it as Pdf.Phishing.Trojan.
Machine Learning
- Nyx PDF Classifier suspicious score 0.3127
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://archism.ru/uplcv?utm_term=miui+12.5+redmi+7
- http://awkontrakt.pl/ckfinder/userfiles/files/mufimimurolukifoxu.pdf
- http://www.prakashirrigation.com/uploads/fck/files/jokegikoxaweni.pdf
- https://oasis-travel.ro/files/75252826015.pdf
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/16135c9fe38f8f---gunirowalir.pdf
- http://lavalnerina.com/userfiles/file/99773470764.pdf
- http://bivalyracing.hu/files/file/4448657805.pdf
- https://togelunited4d.com/contents/files/83171298380.pdf
- http://bifruit.mk/ckfinder/userfiles/files/buvemajizumarusuwegugosur.pdf
- http://hvpeds.com/upload/contents/file/36773158164.pdf
- http://www.herbertvanderbrugghen.nl/draft/50362995915.pdf
- http://abcgsgeds.friendship-match.com/upload/files/lojoberuti.pdf
- https://247christianity.org/fckeditor/userfiles/file/808710542621630515938.pdf
- http://florylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/salavodu.pdf
- http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/34325101322.pdf
- http://showdoimovel.com/files/files/fotimum.pdf
- https://cpsguffanti.it/uploads/file/juzemadivozeresipilesuz.pdf
- https://anne-berger.de/sites/anne-berger.de/files/fkcfile/polamiwusujemob.pdf
- https://behagi.eus/files/galeria/files/voxogerotakan.pdf
- http://ambvetfanini.eu/userfiles/files/beweruxupumukogob.pdf
- https://saikekanglun.com/filespath/files/20210918054519.pdf
- https://srldirect.com/ckfinder/userfiles/files/61616139539.pdf
- https://kingwaterpure.com/ckfinder/userfiles/files/85673297914.pdf
- http://1carl.com/userfiles/file/wowonagofi.pdf
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/2578ffa00c5c2e02355659138fb6bdab/92539673325.pdf
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16131b1d36025b---13200297915.pdf
- http://dui-antidote.com/images/userfiles/file/30275033152.pdf
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e63b.binca5d8ef4690b277a445085a2da90746fe1c7a627fdadf18bd3331cdf4e3fd6fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE63B | 17924 bytes |
font_01_sfnt_off00011513.binc7eca55e98f0873fd99b84ee6ec199f94ce6a3220a569285904cd0db1254bc85 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11513 | 10228 bytes |
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