MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to lure victims. The 'ML_NYX_PDF_MALICIOUS' and 'CLAMAV_DETECTION' heuristics confirm its malicious nature, with ClamAV identifying it as a phishing trojan. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://nomylo.ru/uplcv?utm_term=firmware+update+mxq+pro+4k PDF link annotation
- http://luisacortesearchitetto.it/userfiles/files/19992397973.pdfIn PDF document text
- https://cordovajewelry.com/images/file/98675855465.pdfIn PDF document text
- http://thehedgerowchronicles.com/ckfinder/userfiles/files/17120238798.pdfIn PDF document text
- http://phucuongplus.com/upload/files/27278477644.pdfIn PDF document text
- http://tearose-kitchen.com/sites/default/files/images/imcefile/fububelatizozuv.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142817b0e71c---jiwoven.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/4o2q39a3inqakk35emq9unopg1/33695622905.pdfIn PDF document text
- http://artemon.nl/userfiles/file/16846362854.pdfIn PDF document text
- https://perfecthospital.org/FCKeditor/file/99685262344.pdfIn PDF document text
- http://merklink.nl/site/data/ws/files/62864775581.pdfIn PDF document text
- http://membranekeyboard.pl/_data/file/vadagi.pdfIn PDF document text
- http://rickgrisolia.com/userfiles/files/77232790596.pdfIn PDF document text
- http://www.videobezopasnost.ru/ckfinder/userfiles/files/mevami.pdfIn PDF document text
- http://nuocmambason.com/upload/fckimagesfile/554959b7dc8e552fc7617a37e612c41f.pdfIn PDF document text
- http://top-rubber.com/admin/fckeditor/editor/filemanager/connectors/upload/file/10859573240.pdfIn PDF document text
- http://ticketsperiodico.com/galeria/files/rimakoju.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/m0dgv6kmot4r264qo7knn2up44/luzogenibetidoxa.pdfIn PDF document text
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133cc773e319---18612283527.pdfIn PDF document text
- https://travellifeafrica.com/ci/userfiles/files/rumarapobewabexebem.pdfIn PDF document text
- https://phnews.ro/files/file/53089554529.pdfIn PDF document text
- http://amuseonline.com/absite/userfiles/file/91650477014.pdfIn PDF document text
- 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_off0000c3e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3E5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dbfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBFC | 10816 bytes |
SHA-256: 766bb70a7fd8f98e40ec428de765995daa3ab733ccb0611e647ce984b5049749 |
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font_02_sfnt_off0000f4cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4CD | 17388 bytes |
SHA-256: 7f21bd593f6afd317b4e5ec05762ba542990ea84a67b3053feee5ca428875156 |
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