MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting it is part of a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.7217
Heuristics 5
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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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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=remove+watermark+pdf+expert PDF link annotation
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8eb699e7f5---pupanibe.pdfIn PDF document text
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/ae9905599ecf54569ca3bc93eddfc2bf/repevenijatowatixu.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/htkclmj43k998mqvd73nfcv7u1/mimudegezud.pdfIn PDF document text
- http://sziazsauto.com/uploads/files/jaluwuki.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608dc4260192a---zozawadisofogafitaxefuba.pdfIn PDF document text
- http://aceonlinementors.com/userfiles/file/25395640681.pdfIn PDF document text
- http://logiccpacma.com/ckfinder/userfiles/files/40473818434.pdfIn PDF document text
- http://erbaytag.com/resimler/files/38154300264.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/fb06fa9014a732c17c6c036723dd6dd2/tisirawaw.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16078d632ddfb2---sominosotesaxevuk.pdfIn PDF document text
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/gov27u9g60i4b6d7us3lb74gg2/30895975850.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/vpg1sp2jbh6pf0pvjl7lr1as8c/72209253176.pdfIn PDF document text
- https://anup.bo/images/files/wunuzivo.pdfIn PDF document text
- http://sweden2020reunion.com/clients/e/e2/e2375cbe45a1e08e95d3a39ca41e84e3/File/xijinaxitazagesa.pdfIn PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b07f69252c7---jovuwofevirize.pdfIn PDF document text
- https://soechi.net/userfiles/file/26247597084.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bb3ba600026---livavobolala.pdfIn PDF document text
- https://hissekurban.com/resimler/files/zijixaxosexekix.pdfIn PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611e7e900e367---fadaziforap.pdfIn PDF document text
- http://obrienbuilders.com/userfiles/file/57955988337.pdfIn PDF document text
- https://nomortiga.com/contents/files/34698751718.pdfIn PDF document text
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160c7835f685c2---gisevizovodutib.pdfIn PDF document text
- https://pharmawell.eu/ckfinder/userfiles/files/42580925646.pdfIn PDF document text
- https://0900107678.com/upload/file/rosupawenifitatenefogex.pdfIn PDF document text
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4c62463ec---73783100379.pdfIn PDF document text
- 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_off0000eb23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB23 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001033a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1033A | 10640 bytes |
SHA-256: c287df1fdd49effa316caab185430e632cf1e19fe203651f26b9884225e99a7e |
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