MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm or phishing lure. The document body, though heavily obfuscated, appears to be related to 'Appareil urinaire cours infirmier pdf', a potential lure to attract students or professionals in the nursing field. No scripts were extracted, but the presence of multiple external links and the nature of the heuristics point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/89f461e557ea5771a718063108a8ca6c/20364346206.pdf
- https://aadhaarretail.com/administrator/imagetemp/file/59209155703.pdf
- http://pcmcpropertyblog.com/wp-content/plugins/super-forms/uploads/php/files/176a51d6de4e4e80d08abc7a4a779daa/tevaribeki.pdf
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607eea1d4277c---68350719707.pdf
- http://kapelski.pl/userfiles/file/sogenepomep.pdf
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609adb3663f5a---15455613579.pdf
- http://amirafouad.com/uploaded_files/file/46308556188.pdf
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/uc1mndp7a9os0or6fi1202c797/jipuvena.pdf
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/8c6767396949edcafb0342a3c4cd6ba4/25994919177.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/59618ea739c7b175f69ff93e8844431a/lalodevumipopupese.pdf
- https://uleiuri.ro/userfiles/file/25523142454.pdf
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/cd6b4bfbd7138543396d033bf5ef6103/mijasonesiwatiti.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607034bb12a12---gogudid.pdf
- https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/pngrk4tic0m8hav5tm1v57d4i0/97776611367.pdf
- http://all-pass.com/folder/editor/file/33917782233.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=appareil+urinaire+cours+infirmier+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://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d785.bin0bbf4d587b5b63220829f2e28c2ca000f422bd57486ba01a136c32937c5c02dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD785 | 5092 bytes |
font_01_sfnt_off0000e8a6.binaef7166f9c0fe8e0b9fb6eafb1425f59bbc58041ca7155364bd98cb4274aedd8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8A6 | 10888 bytes |
font_02_sfnt_off00010c65.bin1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C65 | 4324 bytes |
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