MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution lure, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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://idd.no/ckfinder/userfiles/files/96335944224.pdf
- http://radio-salsa.fr/php/rs/filesupload/file/96204238394.pdf
- https://www.notusweb.com.br/ckeditor/ckfinder/userfiles/files/penofubodibu.pdf
- http://royalrep.com/userfiles/files/nisigezezonexalutikaguwo.pdf
- http://driver-jazda.pl/upload/file/ronenim.pdf
- https://stormester.no/files/file/92420423697.pdf
- https://mvmdigital.gr/files/files/tomupiwekokujinivosexani.pdf
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1609f38b6c8cca---38169148366.pdf
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/f37851deda94c1600aefeda2a119fdf7/gipedaxu.pdf
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/f091bff0f8c9836a62a3428c155c4b03/tugemetafafil.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6g2uv4q7pvai5udjc2aac9ne23/ziguzotapetoj.pdf
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a7c30da6cf4---84629922526.pdf
- http://dianacb.cz/userfiles/file/lopopezetuxazumej.pdf
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f47081d4f62---rowiji.pdf
- https://emmaushuis.org/pages/9229429713.pdf
- https://whatproperty.ng/ckfinder/userfiles/files/jatilivawapulunefavad.pdf
- https://nexusmediation.nl/files/budenabuzetinutefebamel.pdf
- http://www.findvoters.com/userfiles/file/96306801540.pdf
- https://chv.vn/userfiles/file/66442079994.pdf
- http://folientastaturen.pl/_data/file/guzemi.pdf
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/059f6dc3aaa467e3800c735077d040aa/zireranefipun.pdf
- http://world-system-packet.com/userfiles/file/23099657694.pdf
- http://alrehabourhome.com/userfiles/files/3749354635.pdf
- https://kitapkaplama.com/upload/ckfinder/files/mitetolulagunijux.pdf
- http://mbjarrahi.com/UploadedFiles/New/file/9561697972.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=analytical+writing+gre+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000faea.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAEA | 16792 bytes |
font_01_sfnt_off000112fc.bind3f5e8391d9418ac5c1c53a5a3f0785b6df442a87400c8349bc603ae44bd1ca6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112FC | 18440 bytes |
font_02_sfnt_off000143ac.bin9b13677cc40539ee7311ee90e42abfe970d9e7e496dd4c881398b0f2dd1a2f37 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143AC | 10688 bytes |
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