MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file contains numerous embedded links, many of which point to disposable hosting or compromised CMS upload storage, indicating a link farm designed to obscure malicious destinations. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent. While no scripts were directly extracted, the structure and embedded URLs strongly suggest a phishing or malware distribution lure, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier suspicious score 0.3497
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 http://lowchens.org/userfiles/file/wimuvinogoxeb.pdf In PDF document text
- http://upservice.expert/admin/ckfinder/userfiles/files/71931453841.pdfIn PDF document text
- http://nm-union.ru/ckfinder/userfiles/files/59239420404.pdfIn PDF document text
- http://aisne.proximeo.com/ckfinder/userfiles/files/maniboxixudutupivagupuzo.pdfIn PDF document text
- http://indexone.ru/upload/file/79562632820.pdfIn PDF document text
- https://krzczonowice.pl/gfx/file/91721563121.pdfIn PDF document text
- https://comobrew.com/newsite/images/user_uploads/file/buxunexod.pdfIn PDF document text
- http://xn--80aer5aza.xn--c1acndkmcarx.xn--p1ai/ckfinder/userfiles/files/53980672032.pdfIn PDF document text
- https://xenang-mitsubishi.com/fckupload/file/dijubokawep.pdfIn PDF document text
- http://qapoll.com/2015/vat/upload/files/3186361842.pdfIn PDF document text
- http://chi-kara.net/Upload/files/82124965800.pdfIn PDF document text
- http://mottaing.eu/userfiles/files/57917828035.pdfIn PDF document text
- http://pressvaluation.net/FCKeditor/editor/filemanager/connectors/userfiles/file/43736708855.pdfIn PDF document text
- http://surausa.com/uploads/files/taxudun.pdfIn PDF document text
- http://beamstraffic.ae/amb/userfiles/file/76224425527.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161301aff835b1---jurazewevenozozigemifoxe.pdfIn PDF document text
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/ef4532c739c86dbb5ecad6e050b2c748/93689656045.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/161313b951313e---17926324380.pdfIn PDF document text
- https://barcelonamedicalcenter.com/files/galeria/files/93337754817.pdfIn PDF document text
- https://asoriofrio.org/ckfinder/userfiles/files/vojojemivuzagerasamofonas.pdfIn PDF document text
- https://butchercurnow.com/img/shop/contents/11819367245.pdfIn PDF document text
- http://locthanhwindow.com/img_duhoc/files/59876428350.pdfIn PDF document text
- https://inprovituruguay.com/ckfinder/userfiles/files/16988172146.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4fdc2bbda---mozerifasizarukafixobuxu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=indian+qr+code+scannerPDF link annotation
- 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_off0000f3c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010bd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BD8 | 18300 bytes |
SHA-256: 435db3de97394f136a86eb02f65ad7815cce3fbd41c91ea52aead187de33de91 |
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