MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to compromised WordPress uploads and disposable hosting, indicating an attempt to distribute further malicious content. The presence of external URIs and a high ML classifier score, along with ClamAV detection as Pdf.Phishing.Trojan, strongly suggests a malicious intent to trick users into downloading malware. No scripts were extracted, but the structure implies a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.7043
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://dalieuht.com/app/webroot/uploads/files/zagebig.pdf In PDF document text
- https://smartmedia.ro/app/webroot/files/userfiles/files/95764787213.pdfIn PDF document text
- http://ttmplus.com/userfiles/files/wigidumewujadag.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/16158941199b9f---42255895581.pdfIn PDF document text
- http://goteneplast.se/files/images/file/kamuzebelifibat.pdfIn PDF document text
- http://lso-msm.fr/userfiles/file/99838229135.pdfIn PDF document text
- https://www.hkha.org/ckfinder/userfiles/files/zudipolumaf.pdfIn PDF document text
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/dfaf8329175db5a9c5867549c66c6455/94209823841.pdfIn PDF document text
- http://heatexchangersolution.com/upload_fck/file/2021-9-23/20210923190127773564.pdfIn PDF document text
- https://www.oalysa.cz/ckfinder/userfiles/files/85653945357.pdfIn PDF document text
- http://playoz.com/ckfinder/userfiles/files/55705474102.pdfIn PDF document text
- https://asiastudy.in/ckfinder/userfiles/files/7233307109.pdfIn PDF document text
- https://printjet.pl/pliki_user/File/30485004452.pdfIn PDF document text
- https://xn--psg-9lac.hu/files/files/66713085278.pdfIn PDF document text
- https://hophamthaibinh.com/upload/files/50950875801.pdfIn PDF document text
- https://ever.dacola.com/upload/files/dixakemibuw.pdfIn PDF document text
- http://peterpan1996.it/userfiles/files/45001755565.pdfIn PDF document text
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/161381e8a71f72---xobixekoxagiguku.pdfIn PDF document text
- http://gyermekhaz.hu/Content/site_images/files/28339938480.pdfIn PDF document text
- http://randoquad72.fr/userfiles/file/wobofelagorekowitaredug.pdfIn PDF document text
- http://burragebrothers.org/demo/jolie/beta/userfiles/files/25217437488.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/vavr3nsi691pk4rpo3pjq0afv4/70250726722.pdfIn PDF document text
- http://sanyosushiglendora.com/uploads/files/buximim.pdfIn PDF document text
- http://beccaro.it/userfiles/files/kuvagas.pdfIn PDF document text
- http://mavelikaradiocese.org/rapha/ckfinder/userfiles/files/47820334230.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/l2c9f7na30tgcqpn7tfbrnhd5u/67423739811.pdfIn PDF document text
- https://feedproxy.google.com/~r/Gsjc/~3/tgwjJlsMqHc/uplcv?utm_term=download+dxcpl+pes+2017+windows+7+32+bitPDF 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_off0000d324.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD324 | 19788 bytes |
SHA-256: 871e873af8748f54fb4a38bce2e067c95718fd98d143ceacaf705c0790f4c788 |
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font_01_sfnt_off00010605.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10605 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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