MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple domains, some of which appear to be compromised or disposable hosting, suggesting a phishing or malware distribution attempt. The presence of a 'download button' heuristic and ClamAV detection further supports a malicious classification. While no scripts were directly extracted, the structure and URL patterns are indicative of a phishing lure designed to trick users into downloading a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://olterus.net/contents/files/rabixubizalixisagufusa.pdf In PDF document text
- http://fueandhair.com/userfiles/files/sixuriruwamog.pdfIn PDF document text
- http://cualuoiskydoor.com/webroot/img/files/safuwe.pdfIn PDF document text
- https://stpatswatertown.org/ckfinder/userfiles/files/nipenejapa.pdfIn PDF document text
- http://108shiva.com/userfiles/file/In PDF document text
- https://qualitygums.com/userfiles/file/vogopuwajiwi.pdfIn PDF document text
- https://meesens.be/KrMee/Tekstverwerker/80619980322.pdfIn PDF document text
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ae4b7a4e4---jupelibojabez.pdfIn PDF document text
- https://profession-your-dr.com/uploads/files/202109011120129053.pdfIn PDF document text
- http://evolutionchonburi.com/userfiles/files/47112907191.pdfIn PDF document text
- http://unibeauty.com.br/ckfinder/userfiles/files/88162636538.pdfIn PDF document text
- http://lukinserv.hu/file/gadaloz.pdfIn PDF document text
- http://st-ark.it/userfiles/files/16433478307.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16137dcfa50498---63045760716.pdfIn PDF document text
- http://someteme.com/archivos/_20210910024337.pdfIn PDF document text
- https://et-auditing.com/userfiles/files/20884279944.pdfIn PDF document text
- http://gdgom.com/upload/file/210906112238200159yt0uhnn09kpt.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161348758a82ea---jaxigafis.pdfIn PDF document text
- http://asbu.net/uploads/FCK_files/file/86920153901.pdfIn PDF document text
- http://acril.ru/ufiles/files/nakeworobedunazilivim.pdfIn PDF document text
- http://piazzademarini3ge.com/userfiles/files/wupuzakuxat.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=obb+file+for+gta+5PDF 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_off0000fa07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA07 | 18200 bytes |
SHA-256: f0ab8e331c23b5fd7cbd20c210799505ae733033e8d51651693a0ec2fb2e5996 |
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font_01_sfnt_off000129ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129ED | 10416 bytes |
SHA-256: f8d01355fe1b694072dec55457b4370ea06300c63ff5b584745d86c105929bc4 |
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font_02_sfnt_off000141b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141B8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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