MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains a link farm pointing to numerous external URLs, many hosted on compromised CMS upload directories or disposable domains, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farm heuristics strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 http://madmojo.com/fckupload/file/wizuxe.pdf In PDF document text
- http://stellarp.com/userfiles/file/91822256533.pdfIn PDF document text
- http://ptichile.cl/userfiles/file/kisotibozefusizusifubazu.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c519b2070f---vofokuwarititawoxuzate.pdfIn PDF document text
- https://wtmasonry.com/ckfinder/userfiles/files/rovawuvubipivutafiluj.pdfIn PDF document text
- http://tuanayapim.com/rsm/files/xunewufezakininejizibemew.pdfIn PDF document text
- http://pamatudarbai.lt/ckfinder/userfiles/files/25914393804.pdfIn PDF document text
- https://mmagame.com/userfiles/file/xabame.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/161519838cf6dc---suxivela.pdfIn PDF document text
- http://ensky-chemical.com/upload/files/3041144808.pdfIn PDF document text
- https://arte-salon.ru/upload_picture/woxuwiwerolu.pdfIn PDF document text
- http://akvari-um.ru/userfiles/file/tubixije.pdfIn PDF document text
- http://zenithmetals.com/files/jininelisujapolobuniw.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615ffb5251484---98886625126.pdfIn PDF document text
- http://geotersrl.it/file/88926328818.pdfIn PDF document text
- http://chargooshads.com/images/upload/files/72111766164.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/3hd8iu209sc3f6fo61kp65t5it/lijixoxiwil.pdfIn PDF document text
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16143a3d7920ed---55534548508.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=paradise+tiki+bar+and+grillPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In 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_off0000b2a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2A7 | 10536 bytes |
SHA-256: 9e936e84f1b995715592bcf4f453a92563b475ea0f8e7302583f13d38f923487 |
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font_01_sfnt_off0000ca82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA82 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e294.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE294 | 16044 bytes |
SHA-256: 076d167f7b3ff41ece9599069baf55a22c74598eff6a07f8b489ced31d81fc9c |
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