MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised WordPress upload directories and disposable hosting, suggesting a link farm designed to redirect users. The presence of these links and the overall structure align with phishing or scam lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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://www.rpv-drachten.nl/files/file/47241963869.pdf
- https://kovosluzba-praha.cz/res/file/bafafexaxutokej.pdf
- http://cuuhoatudong.com/upload/files/zewubiseselowinuboziw.pdf
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/99crpnsm751fl0kjogsv8g40v2/ribifugixevituvukinepele.pdf
- http://bangdinhphucat.com/quangbasanpham/app/webroot/upload/image/files/27269627403.pdf
- http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/vabilobepalusufotamakun.pdf
- http://learnersdigest.org/userfiles/file/wenarupadolowe.pdf
- https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/94851a6d7c2650502b9e16e096acd2ad/2826321003.pdf
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/307f69649235537732c7bebfab367c20/20976860073.pdf
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075a193e965b---jiratomilamevobo.pdf
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160948752a6beb---76416182434.pdf
- https://hijaulumut.com/contents//files/dafutev.pdf
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/435e4bddf73f70528dcfd1b658441c6e/68360347407.pdf
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608e1553b7015---51907803450.pdf
- http://kusadasidentalclinic.com/img/userfiles/files/kowepiva.pdf
- https://pelicanfinancialnetwork.net/ckfinder/userfiles/files/77374025581.pdf
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a04c8b17064---68606697006.pdf
- http://parfumerieindex.nl/images/uploads/pegufibakef.pdf
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acf38f92c7b---xinekimelidelixidorajesus.pdf
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/16072147a2754d---viniwut.pdf
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e1515c842d2c921ff4a8854ed562dcfb/81231200976.pdf
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160ac32ff584c0---75155941872.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=warhammer+mortal+empires+fun+faction
- 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_off00011a7d.bin5c8ae71039bbbfb3e52a777cde1a4a024e7da1a88655081ba9dc8bd5f4cf7444 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A7D | 21240 bytes |
font_01_sfnt_off000151b3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x151B3 | 16792 bytes |
font_02_sfnt_off000169ca.bin85c8a6f3df432f278a92c958c640b7d9ff3f5204bf3708f029e398c84ac1ef53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x169CA | 10840 bytes |
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