MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicative of a link farm designed to redirect users. ClamAV and an ML classifier flagged this file as a malicious phishing trojan. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to lure users to malicious sites, likely as part of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://derechosenred.org/aym_image/files/liwinolo.pdf In PDF document text
- https://commonwealthsportsawards.com/userfiles/file/35047766507.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/a92cb41743e7fbf0f2b55345b3d1daf1/jajivosizegijefaxotaturo.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/31e49e9782f7e0c327bd78c61166ab2b/3574032022.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083d3e3666d7---62564142093.pdfIn PDF document text
- https://bbpartner.cz/userfiles/file/pudevipagasekunuxowa.pdfIn PDF document text
- http://premiumcsp.com/uploads/files/kituzipotero.pdfIn PDF document text
- http://finpacecuador.com/userfiles/file/19275268867.pdfIn PDF document text
- http://systemsbiology.at/uploads/assets/file/nolirewujaromak.pdfIn PDF document text
- http://donkaew-furniture.com/ckfinder/userfiles/files/87182742378.pdfIn PDF document text
- https://cuacuonbentre.com/upload/files/68398974137.pdfIn PDF document text
- http://open.ua/uploads/ckeditor/files/tojifuvo.pdfIn PDF document text
- https://opsclown.it/ckfinder/userfiles/files/geditiminozimukelukalo.pdfIn PDF document text
- http://voyagevietnamlaos.com/hinhanh/file/32623215463.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/debdhkcemoi9lm4fbvq7jhcvpa/23219197467.pdfIn PDF document text
- http://findmecakes.com/userfiles/files/lefux.pdfIn PDF document text
- http://kuppersbusch-center.ru/uploads/files/7262430085.pdfIn PDF document text
- http://highlandhighclassof1962.com/clients/c/c3/c330a44b04b080977bf299ea430a317d/File/mebujabamos.pdfIn PDF document text
- http://drairtools.com/ckfinder/userfiles/files/wuwexi.pdfIn PDF document text
- http://www.chp.pl/ckfinder/userfiles/files/72143538600.pdfIn PDF document text
- http://www.ecvbrass.ch/user/web/file/2959104588.pdfIn PDF document text
- http://fitviewer.biz/files/file/73652663995.pdfIn PDF document text
- https://sdhouse.info/ckfinder/userfiles/files/58420443007.pdfIn PDF document text
- http://www.greddy.com/admin/common/ckfinder/userfiles/File/78323382419.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d6ca783d0c---87065517272.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=topology+optimization+theory+methods+and+applications+pdf+downloadPDF 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_off00010ecc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ECC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000126de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126DE | 18276 bytes |
SHA-256: 31c89cac6a6a29d3d18e604c2019e0bbdb35e4c6132fdbdb65e5903870f7a016 |
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font_02_sfnt_off0001561d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1561D | 11292 bytes |
SHA-256: 6b4e6ba937172c52f9cb07db3f8e306f100e6ef366020c6b3b351c1d3f2f7212 |
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