MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by multiple heuristics and a machine learning classifier as malicious, specifically identified as a phishing trojan by ClamAV. It contains numerous embedded URLs, many pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm designed to redirect users. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with phishing lures or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://divorcefinance.nl/uploads//file/texilibutegewam.pdf In PDF document text
- http://danies.ru/ckfinder/userfiles/files/pelepuvuw.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/5267003b813974ee00b15ebb3c86309a/47582064290.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da56e6c5ec9---37118316879.pdfIn PDF document text
- https://kitapkapla.com/upload/ckfinder/files/24719967177.pdfIn PDF document text
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/939fef5fe4c2da5aa035841407ed1782/xikebusogibek.pdfIn PDF document text
- http://ser-buk.com/userfiles/file/pevoxer.pdfIn PDF document text
- http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7e4a17bae---78856132801.pdfIn PDF document text
- http://sochi-polyana.com/ckfinder/userfiles/files/52247532388.pdfIn PDF document text
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/4o9rnah1s8o7tk39cl0h53t0ra/97988926843.pdfIn PDF document text
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c01a906fd79---dakolivamav.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/jssm4ofv87l5ggoigv0iaaohbd/xepovibakojujalewagelega.pdfIn PDF document text
- http://edwardfmcgintypa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/59119835676.pdfIn PDF document text
- https://emilline.dk/ckfinder/userfiles/files/kakafonovokilokogopulu.pdfIn PDF document text
- https://baohohoanglong.com/userfiles/file/84769129446.pdfIn PDF document text
- http://gewoongroen.eu/app/webroot/files/userfiles/files/21300938648.pdfIn PDF document text
- http://ghefoot.com/fckeditor_userfiles/file/sefazenadidowagif.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad779a2812d---zaxubavotawokos.pdfIn PDF document text
- https://nikolsbeauty.com/webroot/f/uploads/file/xorisoduwab.pdfIn PDF document text
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/e2qaqomq26ll0f4ghidd6baru5/duzenugut.pdfIn PDF document text
- https://gemma.lucien-sv.info/uploads/files/612df7cb0a149.pdfIn PDF document text
- https://floridainvestment.cz/files/file/rizexixixadalav.pdfIn PDF document text
- https://pirkitpadangas.lt/ckfinder/userfiles/files/14144418988.pdfIn PDF document text
- http://abwmarlboropike.com/uploads/files/49105345389.pdfIn PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/e5b82a05faca9b63740f69c090ab6c32/52851138642.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=d%26d+books+pdfPDF 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_off0000b8fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8FE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d110.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD110 | 17472 bytes |
SHA-256: 1c3e6243c3baf93996638ce2165bb7e9f1a0a3d4b51213241fd76deadcd549cd |
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font_02_sfnt_off0000fe27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE27 | 9076 bytes |
SHA-256: f695977626623e59fedb2fbedebd468d0acf89ff6f6ceafeb3cee4351ddee6c8 |
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