MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as containing a link farm and was classified as malicious by an ML model and ClamAV. The heuristics indicate that the PDF points to compromised CMS upload storage and uses disposable hosting, suggesting a phishing or malware distribution attempt. The embedded URLs, while some are marked benign, contribute to the overall pattern of directing users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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://matonaklawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/44420245804.pdf In PDF document text
- http://portaldeaquidauana.com.br/ckfinder/userfiles/files/34206481782.pdfIn PDF document text
- http://www.facyt.com.ar/ckfinder/userfiles/files/98491029073.pdfIn PDF document text
- https://apatity.verlauf-ekb.ru/admin/ckfinder/userfiles/files/rewumatinuzukit.pdfIn PDF document text
- https://szallas-karpatalja.net/upload/nalixugopotokexakowipope.pdfIn PDF document text
- http://bielwod.com/userfiles/file/50554310057.pdfIn PDF document text
- http://xn--pr3b03lcdvwu9dpynqkc.com/DATA/file/20210902041925.pdfIn PDF document text
- http://www.euro-fly.eu/userfiles/files/rinebalonijilakorelofu.pdfIn PDF document text
- https://dichvuketoansg.com/luutru/files/83062044108.pdfIn PDF document text
- http://cameranichietsu.com/luutru/files/78328762829.pdfIn PDF document text
- https://vico-real-estate.com/ckfinder/userfiles/files/16371127600.pdfIn PDF document text
- http://brilspa.ro/userfiles/file///15147121665.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/161323f1f7e8a2---mitalelanafava.pdfIn PDF document text
- https://indicaperu.com/userfiles/file/pelulisigexogenipoze.pdfIn PDF document text
- https://sssmri.com/ckfinder/userfiles/files/bezewukikep.pdfIn PDF document text
- http://evohome.pl/userfiles/file/84175340220.pdfIn PDF document text
- http://sino-web.net/filespath/files/20210901224913.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1613de11e23d70---xavovetap.pdfIn PDF document text
- https://mehreganimaging.ir/images/upload/files/25328250827.pdfIn PDF document text
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/a1a5528cf054cc26aa36209a98c8ad5f/xidasifaragavakozurojoged.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/07541d653fb7ae55ebe2f70e52a739ce/48012983233.pdfIn PDF document text
- http://filtrydokoparek.pl/img/all/80782730030.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=gb+insta+download+for+androidPDF 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_off0000ce2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE2D | 10480 bytes |
SHA-256: be46636e89a4433f54fb76bdc08482b9e91a3bb7a72870e15405bfac1e067ec0 |
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font_01_sfnt_off0000e626.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE626 | 16984 bytes |
SHA-256: d8f38663873a1b729c1d10217b2b6d0973757e98eb7e884a5281ce5ccf551ff8 |
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font_02_sfnt_off00011215.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11215 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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