MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to disposable hosting or compromised CMS uploads, characteristic of a link farm used for phishing or malware distribution. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan. The embedded URLs and the heuristic firings strongly suggest a malicious intent to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://aven.su/userfiles/file/bowemilopowexamelisupuxob.pdf In PDF document text
- https://neksav.com/upload/ckfinder/files/sakewoxudozaxu.pdfIn PDF document text
- https://izometal.net/mm/file/xilumevasaduj.pdfIn PDF document text
- https://bataretak.com/img/files/file/64985158325.pdfIn PDF document text
- http://ambulatorioveterinariorigolon.eu/userfiles/files/daxafebasapupifiden.pdfIn PDF document text
- http://cbgnfinance.com/userfiles/file/xigapusivipodir.pdfIn PDF document text
- https://ardiinerkh.mn/uploads/userfiles/files/xekadojetiwuxolubobulodud.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138a37ecda6b---natanusi.pdfIn PDF document text
- http://suaups.net/userfiles/file/15538297190.pdfIn PDF document text
- http://motolargo.pl/userfiles/file/9610310025.pdfIn PDF document text
- http://partnercable.com/files/noful.pdfIn PDF document text
- http://nb-magnet.com/upload/files/97466140406.pdfIn PDF document text
- https://copyjokertw.aw6.tw/uploadfile/qu4_qu106_com/files/37471632861.pdfIn PDF document text
- http://psychanalyste-gard.fr/ckfinder/userfiles/files/ririturawizoberowaveza.pdfIn PDF document text
- http://ketnoikienthuc.com/upload/files/37418304158.pdfIn PDF document text
- https://tdemo.order-pro.com/ckfinder/userfiles/files/niboxap.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/6d7955645c4e7e08b66154215c6bd9e3/25260524282.pdfIn PDF document text
- https://szaniterplaza.hu/ckfinder/userfiles/files/peletovoxavoxijipawul.pdfIn PDF document text
- https://rawoctane.com/uploads/file/38035973255.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d87b2a6c77---xizigibixuso.pdfIn PDF document text
- https://powerliteaac.com/userfiles/file/83092739809.pdfIn PDF document text
- https://xn--fct5g39pjpo.tw/upload/leakstop/files/46522689979.pdfIn PDF document text
- http://insuralead.com/userfiles/file/zujeboburab.pdfIn PDF document text
- http://cnzhongkui.com/fckeditor/editor/filemanager/connectors/php/uploads/file/120415379160.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=thematic+data+analysis+in+qualitative+research+pdfPDF 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_off0000ec3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC3F | 19668 bytes |
SHA-256: 9cfbe2f33fa4885374daf2275bbeeb0df014919fe3700763966afee1768fe190 |
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font_01_sfnt_off00011f44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F44 | 11152 bytes |
SHA-256: 5bd7cbbe3218eb20d904c46423cfdd15d6f32a82a8757b259b60bace55d9a990 |
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font_02_sfnt_off000138f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138F6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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