MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous URLs, many of which are hosted on compromised WordPress sites or disposable domains, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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://wumag.pl/userfiles/file/xedegute.pdf
- http://araonline.hu/uploads/file/tulewesunajedul.pdf
- http://tlumacz-lipno.pl/pdrzewiecki/files/pijivafoxij.pdf
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/3fa92e34f1c790a82767423ebe95dd82/wobixusojokexow.pdf
- http://heydarbaba.org/resimler/files/48146002985.pdf
- https://mobile-translator.eu/app/webroot/media/files/josovetedinemewuke.pdf
- https://producto.works/userfiles/file/zisujabifilimi.pdf
- http://alliance-ic.ru/uploads/file/30957176843.pdf
- http://ttc-investco.com/img/files/21608406370.pdf
- http://thepokeluau.com/uploads/files/89979533330.pdf
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/n9vc20rnartobaq4odmvaj05sk/raxirejubinewerige.pdf
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16134ec5d632a0---11876794417.pdf
- http://cetis156.neutronds.com/assets/js/ckfinder/userfiles/files/2749071676.pdf
- https://pelicanfinancialnetwork.net/ckfinder/userfiles/files/betoxeweluleduw.pdf
- https://rais.bg/uploads/file/99114744153.pdf
- http://perles-del-beya.com/userfiles/file/sunivafuzimesezi.pdf
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/555f7e6ab196aabb6e8d3d8aeffd9a64/dafuvemozuw.pdf
- http://lezeckastenakosice.sk/upload/files/46891843875.pdf
- https://kawanmto.net/contents/files/debobelilisopon.pdf
- http://tecsun-moscow.ru/docs/file/98248073511.pdf
- http://chapelguild.com/images/usr/zakigezojonuvo.pdf
- https://taucaotoccatba.vn/images/news/files/33315059716.pdf
- http://greenlivinggarden.com/htdocs/UserFiles/file/gakiminopedadebegot.pdf
- http://vstarmp.cn/upload/files/20210908_081633.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=remove+account+play+store
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000df25.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF25 | 16792 bytes |
font_01_sfnt_off0000f737.bin6a14d1a6a6a3455277d1b3b0592cc5296c3e0726512591f2ea30cbf4ba6d2733 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF737 | 17740 bytes |
font_02_sfnt_off00012566.binf7e79eb5c76d43125dd8ff45684aef82c81de595e67955b32b051163c95ca44e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12566 | 10768 bytes |
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