MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, suggesting a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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://gptools.net/userfiles/file/lazosilu.pdf In PDF document text
- http://z-him.ru/userfiles/file/92127082065.pdfIn PDF document text
- http://df-2.de/images/daten/file/2183231094.pdfIn PDF document text
- https://maintogelonline2.bet/contents/files/xazomogal.pdfIn PDF document text
- https://topupdana.com/contents/files/zakoriw.pdfIn PDF document text
- http://studiotecnicodambra.eu/userfiles/files/kebawotesaroxiropesav.pdfIn PDF document text
- http://wang023spa.com/userfiles/202109file/2021090612525970554.pdfIn PDF document text
- https://bunexim.dascalita.ro/app/webroot/files/userfiles/files/vosomesufegevo.pdfIn PDF document text
- http://tweedehandswikkelaar.nl/app/webroot/files/userfiles/files/vojuge.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ea3094f986---72945442674.pdfIn PDF document text
- https://ottopianos.nl/files/4919077235.pdfIn PDF document text
- http://www.mecateengenharia.com.br/ckfinder/userfiles/files/68930350080.pdfIn PDF document text
- https://tjpapigroup3.com/contents/files/50088691675.pdfIn PDF document text
- https://x-software.cz/data/file/18824727798.pdfIn PDF document text
- http://civicwomen.com/ckfiles/files/97211436444.pdfIn PDF document text
- http://focalthai.com/file_media/file_image/file/xojoxigem.pdfIn PDF document text
- http://zhengfutz.com/v15/Upload/file/202199162132884.pdfIn PDF document text
- http://squash-fitness.cz/userfiles/file/xirilafuwotavi.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/56a0844b9abfb8710b2458ac1d9991b9/89230059157.pdfIn PDF document text
- http://transporteslaplata.com/imagenes_web/file/losobetufeba.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/3610264570.pdfIn PDF document text
- http://artediapharma.com/upload/files/75195319795.pdfIn PDF document text
- https://reformedgeneration.com/userfiles/file/sulexezi.pdfIn PDF document text
- http://sake2metustin.com/uploads/files/rufox.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613edd0e2269b---11999158252.pdfIn PDF document text
- https://angelsstaff.com/uploads/file/dejixep.pdfIn PDF document text
- https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/64542216319.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=hack+any+android+game+appPDF 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_off0000e45c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE45C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fc73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC73 | 10744 bytes |
SHA-256: 6a78805071fb6d00922b5eb0070f7fa84abf52973e7ec3f72e15609f4bb94306 |
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font_02_sfnt_off000114e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114E1 | 18644 bytes |
SHA-256: 3196a4fa771013c1db6b1068151ff8aa230a41748f3ae86589fbb290e6738e13 |
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