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 WordPress sites or disposable hosting, indicating a link farm designed for phishing or malware distribution. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or delivering a secondary payload. No scripts were extracted, but the PDF structure and URL analysis are sufficient to determine the attack pattern.
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 https://crysiq.ru/uplcv?utm_term=windows+movie+maker+exe+download PDF link annotation
- http://branonperformance.com/ckfinder/userfiles/files/11599278919.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139e7ca494a4---fijopa.pdfIn PDF document text
- http://imhyuk.com/imhyukeditor/userfile/file/mubojazedepese.pdfIn PDF document text
- http://khonggianmang.com/upload/files/12183050693.pdfIn PDF document text
- http://pelesiuvalymas.lt/i/File/19837260863.pdfIn PDF document text
- http://houstontca.org/Content/uploads/files/6651222582.pdfIn PDF document text
- http://bio-scan.com/userfiles/file/2761406565.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16140af5111e9f---38020995489.pdfIn PDF document text
- https://dycmc.com/DATA/upload/files/202109121258047648.pdfIn PDF document text
- http://magogaralbamoble.com/galeria/files/1575645650.pdfIn PDF document text
- http://zdrowejaja.com/Upload/file/lumaxumobiluva.pdfIn PDF document text
- https://lose-weight.tw/upload/files/76839802297.pdfIn PDF document text
- http://www.poliklinika-hb.cz/userfiles/file/15530755849.pdfIn PDF document text
- http://elturo.ru/img/upload/files/lapifova.pdfIn PDF document text
- http://ijdssymposium.eu/upload/fuverufoxoze.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fba07bdf36---89624494929.pdfIn PDF document text
- http://hpworld.hu/data/pic/Image/file/rexazezowexalozujupu.pdfIn PDF document text
- https://doctmcooper.com/userfiles/files/vosusunimewovuvogug.pdfIn PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/b5598765d53bad1d04ee9fd12cf390d9/73467364964.pdfIn PDF document text
- http://qualityfirstservices.pro/testingsites/advantage_aviation/assets/media/file/riberofuzezutefajewoj.pdfIn PDF document text
- https://www.domaine-boussard-chablis.fr/ckfinder/userfiles/files/42127386291.pdfIn PDF document text
- http://csc028.com/userfiles/file/20210901231112_azrbvr.pdfIn PDF document text
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/717437bd30a927fa2ecf3c4f392f54ea/vumuzoforozilemow.pdfIn PDF document text
- http://dragoniresorts.com/userfiles/87019876451.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_off0000d426.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD426 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ec3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC3D | 10648 bytes |
SHA-256: 347f248c26c2dca99616ed481e3a68fd8dcb54516f5d7200b8df7a2171e09e99 |
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font_02_sfnt_off0001049f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1049F | 16276 bytes |
SHA-256: 2cb4ab62a73866eb122a5975975cb8974a38b21da4755d4ce130d18b0bc1ed0e |
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