MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to external websites, many of which are hosted on compromised WordPress installations or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
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://irlanc.ru/uplcv?utm_term=mta+sa+android PDF link annotation
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147c992bcb8c---55455868337.pdfIn PDF document text
- http://qianlong99.org/ckfinder/userfiles/files/85640184830.pdfIn PDF document text
- http://medica-eg.com/userfiles/file/19661172280.pdfIn PDF document text
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/161455441e3e91---mizimudipofadurabozumed.pdfIn PDF document text
- https://orrizon.ru/images/file/gidezokawesowawa.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/tb6u5c16ci1jbqufj54rqtomn2/30716166942.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5ea9a5a5e---fegawugezakerisegil.pdfIn PDF document text
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/3ff1cd8692d364b3d35a9a195d30e67a/vofumotut.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130608968f01---fewotalajojoguxomabije.pdfIn PDF document text
- http://weiken-rc.com/upload/files/sinexinaxupeborokinu.pdfIn PDF document text
- http://xn----8sbfhu6ab4bqv.xn--p1ai/userfiles/file/15261081896.pdfIn PDF document text
- https://livre-art.com/ckfinder/userfiles/files/jezex.pdfIn PDF document text
- https://ksboutlet.com/file/files/mipegimaremaxerexuwewuwa.pdfIn PDF document text
- http://dycelife.com/userfiles/file/demupes.pdfIn PDF document text
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/gpiv6j4878vm82jcc3ctm8b0gi/14119632578.pdfIn PDF document text
- https://tidaksusah.com/contents/files/9121646880.pdfIn PDF document text
- https://www.sonorisation-auxerre.fr/ckfinder/userfiles/files/32033705881.pdfIn PDF document text
- http://autoneza.cz/UserFiles/File/32932848928.pdfIn PDF document text
- http://mylodge-naoshima.com/images/blog/file/pozakofaxito.pdfIn PDF document text
- http://interiorconsignments.com/media/file/dabaxawolezi.pdfIn PDF document text
- http://vekosgroup.ru/userfiles/file/85345323221.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_off0000ca34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA34 | 10056 bytes |
SHA-256: 44aa10cef5369434339bb96c5787db2b455b5a08534b508060ae6f9dfcb8587e |
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font_01_sfnt_off0000e0a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0A7 | 19116 bytes |
SHA-256: 585aa77f6d356210247e2a60dfd0ea61e8ec07ad9bcc7478176ccd7b185df5e2 |
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font_02_sfnt_off000112ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112EA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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