MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript, which is often used to redirect users to malicious websites. The heuristics indicate the PDF is part of a link farm hosted on compromised CMS uploads, suggesting a phishing or malware distribution campaign. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.7787
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://crysiq.ru/uplcv?utm_term=spin+3+student+book+pdf PDF link annotation
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c49d859371e---85188624215.pdfIn PDF document text
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/80d653975ed7ab3ac8e10c2315730ad3/jumuk.pdfIn PDF document text
- http://yaqeen-eg.com/userfiles/file/75278496958.pdfIn PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5626b76d9a---46481398349.pdfIn PDF document text
- http://geonatlife.es//ckfinder/userfiles/files/14603220145.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160805f1e72dbb---98018993077.pdfIn PDF document text
- https://branchennachweis.eu/userfiles/file/nowofik.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/6b84488eb40f995e5d6970d1537ecdf5/75860847195.pdfIn PDF document text
- https://www.cifphosteleriayturismo.es/ckfinder/userfiles/files/fafapuxav.pdfIn PDF document text
- http://renovator.cz/files/file/92267645030.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16121695887511---zasadafagusezexite.pdfIn PDF document text
- http://vimbark.sk/editor_uploads/files/5524067070.pdfIn PDF document text
- http://trevelci.ru/ckfinder/userfiles/files/wesomoj.pdfIn PDF document text
- http://trevorhannant.com/zizuzev.pdfIn PDF document text
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/941adf96ca9f551ba13efc36bab7cbb9/64302242835.pdfIn PDF document text
- http://tavernadelsnoguers.com/wp-content/plugins/super-forms/uploads/php/files/f28ae566404d724732e248f3352241bc/dipab.pdfIn PDF document text
- https://eatorhours.org/e-bussiness/fckimages/file/gizajuxibipe.pdfIn PDF document text
- http://gardatrans.com/content/Files/gaman.pdfIn PDF document text
- https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/6b0ddeee90a5d98f37c0439b95b6f5e5/fedopagaridepekemavuwe.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160838de98ea98---78868559356.pdfIn PDF document text
- http://xoblates.com/clients/e/e0/e08cfb93fb97b00c28394d0532709dc9/File/sigoxuwepuxekofevibepagig.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bf900d835b2---51512192964.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/33c650e3bba5412939f7b967839ab54c/99843730892.pdfIn PDF document text
- http://skolicka.eu/foto/images/file/41836019126.pdfIn PDF document text
- http://48bulls.com/js/upload/files/87074595665.pdfIn PDF document text
- http://vanlysecurity.vn/vanly/album/files/27836980395.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_off0000cf82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF82 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e799.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE799 | 10764 bytes |
SHA-256: 963c3508a8e8dbb27417a4455db3bea5ca004b5b3113185966ded8d554f828ff |
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font_02_sfnt_off00010045.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10045 | 22728 bytes |
SHA-256: e1324997012e8d02a4e085dadbd9c373cee982366c7ab166a06e685908185e89 |
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