MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan payload. It contains numerous links to external sites, many of which are hosted on compromised WordPress installations or disposable domains, suggesting a link farm designed to distribute malicious content. The primary purpose appears to be directing users to download further malicious PDFs, likely containing exploits or phishing content.
Machine Learning
- Nyx PDF Classifier malicious score 0.7706
Heuristics 5
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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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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=data+communication+and+networking+3rd+edition+solution+manual+pdf PDF link annotation
- https://kozhikodedeaf.org/admin/my_files/file/67374796880.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc6bfc193c2---woxufaviwu.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cf516655cc---nawozaj.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607f7b697cfe4---84638654033.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160813fd065d2e---duruvopufigexafigeju.pdfIn PDF document text
- http://uceng.net/_UploadFile/Images/file/tufalo.pdfIn PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7d7658240---xawoxuregelajaxinopimo.pdfIn PDF document text
- http://ergo-logo-bamberg.de/userfiles/file/lovubotitegesop.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607b75aec7396---tetate.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/16089db8b72e03---worudixexologobi.pdfIn PDF document text
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/d2524df6a33f194a03d121c13a5f6374/33306857484.pdfIn PDF document text
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160afa5be4a262---1748626703.pdfIn PDF document text
- http://ferrogep99.hu/static/media/file/zimobe.pdfIn PDF document text
- http://bajcsidavidfoto.com/_user/file/bofofadumijisidiramubux.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/dibilalezekiriwuna.pdfIn PDF document text
- http://hoangnamjsc.com/upload/files/doruvusuf.pdfIn PDF document text
- http://alemotta.com/resources/original/file/93911295078.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607aaac70f780---netalufaliribojasitunade.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609bb89f9b545---fiterevoludinekomerebol.pdfIn PDF document text
- http://bafiti.com/sklep/userfiles/file/85776129247.pdfIn PDF document text
- https://hchoanglong.vn/userfiles/file/dasujuzevenirenu.pdfIn PDF document text
- http://xn--dlek-5qa.com/admin/UserFiles/file/pisugo.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/lf1npektqr6vrnj3jeb71jpel7/govezuwakutenejujimajo.pdfIn PDF document text
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16084107fe7978---jelapemorodami.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001f61c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F61C | 11416 bytes |
SHA-256: 03e071752526d7316db9fe8d795355772603bb6d19bc4f30c134c066069bfbb2 |
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