MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a link farm directing users to multiple external URLs, with several hosted on compromised CMS upload directories. The ClamAV detection and the nature of the URLs suggest a phishing or malware distribution attempt. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4539
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://vietnaminsight.biz/ckfinder/userfiles/files/varepapisox.pdf In PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/b4615scph5qe32sbc0f057pd4j/28938632284.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/8ce9779b71c6eed97b4258a2f6d4ad66/delanuvitokowosijaruv.pdfIn PDF document text
- https://unibel.pl/pliki/upload/file/38624792707.pdfIn PDF document text
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/6cv79vfddjeheb0dolq8tn8cqp/fubiliv.pdfIn PDF document text
- http://usaoxin.com/userfiles/2021-5/file/nosenefev.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/rrb6i7tm4it06qn6npu26j44b5/jupinufil.pdfIn PDF document text
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160d8c4d1d2488---jepapubisuv.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16095eec460b1f---68459454860.pdfIn PDF document text
- http://t-eamplus.de/web/editor/files/65914494352.pdfIn PDF document text
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/6cd5a3e835ae537ec60b35b719b46fb5/tarepogomerixoxit.pdfIn PDF document text
- https://ketdoanbus.com/webroot/img/files/konobajo.pdfIn PDF document text
- http://mesterek.net/tmp/luruvafenovovan.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608e4b35e71cb---86556714280.pdfIn PDF document text
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e07e7a1b98---63182433393.pdfIn PDF document text
- http://dralituncer.net/userfiles/file/kibejuzivijakoweturilupi.pdfIn PDF document text
- http://argumentua.com/i/file/7352932377.pdfIn PDF document text
- https://metricgroup.it/uploads/file/vafenagimiguvunadig.pdfIn PDF document text
- http://anna-bel.com/app/webroot/files/userfiles/files/nunadetizulezu.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/5195d04d7f95e4e0489954850c26295f/74502639901.pdfIn PDF document text
- http://murphysbeads.com/clients/54316/File/59251616553.pdfIn PDF document text
- http://susasoft.com/upload/userfiles/files/83946592857.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ba2f3854cce---26641687868.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c4d66681aad---4966196197.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=for+the+message+of+the+cross+nivPDF 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_off0000c3da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3DA | 10780 bytes |
SHA-256: c3e336bbaa90916d0fcae8f400806cf3e51824f2a9eb9a109ea2fa456cb56a64 |
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font_01_sfnt_off0000dc94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC94 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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