MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://oniceh.ru/uplcv?utm_term=xamarin+sqlite+example+android PDF link annotation
- http://yuc-fac.com/uploadfiles/20210917095401.pdfIn PDF document text
- http://lsphc.com/userfiles/file///6509315106.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141eea7e44a4---reberozexelupepuwikuvivug.pdfIn PDF document text
- http://csc0512.com/userfiles/file/20210908155614_a0bl8m.pdfIn PDF document text
- http://infunplastic.com/d/files/xumisonozedulogimuse.pdfIn PDF document text
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/63341d5515d13f65c31782d1dedb59e5/88321798043.pdfIn PDF document text
- https://sakesushimn.com/userfiles/files/dujogepazogafunobizow.pdfIn PDF document text
- http://lamorenj.com/userfiles/file/sititajekitateme.pdfIn PDF document text
- https://natinsel.com/imagenes/file/lavimapetajop.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/161312c8de6392---vutojegevigivum.pdfIn PDF document text
- https://garraldaarquitectura.com/garralda_userfiles/files/bivij.pdfIn PDF document text
- http://foxgraphics.paulsfashion.in/files/risaga.pdfIn PDF document text
- http://montex.pro/uploads/userfiles/file/kumid.pdfIn PDF document text
- http://www.pethouse.es/ckfinder/userfiles/files/91771480865.pdfIn PDF document text
- http://contua.org/userfiles/file/valaw.pdfIn PDF document text
- http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/polibikaruvoguvawimox.pdfIn PDF document text
- https://media-get.ru/userfiles/files/84770249218.pdfIn PDF document text
- http://viettelhaiphong.me/data/dulieu/files/retabomuluridum.pdfIn PDF document text
- http://www.taimaobi.com/admin/ckfinder/userfiles/files/35324760830.pdfIn PDF document text
- https://sakkestadbil.no/userfiles/file/70476122214.pdfIn PDF document text
- http://itcck.org/upload/editor/file/nojinigotavejevezevasu.pdfIn PDF document text
- http://tuclubcr.com/campannas/file/gijijatarenojamenuvuzamo.pdfIn PDF document text
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16133d0ae88b49---46616577440.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_off0000d6be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6BE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eed5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEED5 | 10808 bytes |
SHA-256: ee4d3100a0617ff59e4926ef18a5dc2d0b4f7e2a6c949d0fcdf934f04b52a0f1 |
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font_02_sfnt_off0001076e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1076E | 17200 bytes |
SHA-256: 1f910987af6de34b7befd2f643e0a2edd62d3bea3a9f04daec639882ee7b5088 |
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