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. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9495
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=how+much+coffee+to+use+in+percolator PDF link annotation
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/82h6ea4iqs8hg7ofq1d3f2h523/66587508778.pdfIn PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/28c8f171d23245268b27cef057e753fb/43895619475.pdfIn PDF document text
- https://medicentrumnz.eu/medicentrum/files/file/48564178747.pdfIn PDF document text
- http://kath-kiga-bw.de/bilder/berichte/file/6991737917.pdfIn PDF document text
- http://lifecare4all.com/upload/files/gajurajikifen.pdfIn PDF document text
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/oq4oqjt8oi7g5q55kdkm3bthu6/8508218259.pdfIn PDF document text
- https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/fikiwirirunozuki.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/20f6009a5eb8f1025e958e2a74d216fc/7200000759.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608782efd6458---74419289885.pdfIn PDF document text
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/c8rqofv4lvt7a1oe352qbbv575/sadumuwaxegesujelika.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/d6bd39d0d264d72eb1b547adb021e473/tinifekazexini.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-7-13/20210713031429567042.pdfIn PDF document text
- http://dongshengcable.com/images/upload/File/vivuwuduzobixonobu.pdfIn PDF document text
- http://modern-pro.ru/files/file/pobusorosafox.pdfIn PDF document text
- http://fresh-j.info/images/uploadedimages/file/53150582132.pdfIn PDF document text
- https://dadesigning.com/daduserfiles/files/rinekesudetefojiwuxojes.pdfIn PDF document text
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/160a2fb8c7803b---senaritukojas.pdfIn PDF document text
- https://alamansyria.com/userfiles/file/70839819352.pdfIn PDF document text
- http://dalnoboy.net/data/filestorage/upload/files/zuromabimikasinetebuzixif.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609273f50d4a6---94749788773.pdfIn PDF document text
- https://siahotel.com/userfiles/files/34354283258.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e2c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2C7 | 10920 bytes |
SHA-256: b7665a877569c20f287b2e28b11ec199a294ae79fa0e954cd9c337212e4c67c5 |
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font_01_sfnt_off0000fbe8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBE8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000113fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113FA | 17584 bytes |
SHA-256: 3a012059b6d53c93dd2f7250f69fdc452a2c9aef37c2f1889f758826153c0776 |
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