MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple links to external sites, many of which are hosted on compromised or disposable domains, suggesting a phishing or malware distribution attempt. The heuristic 'ML_NYX_PDF_MALICIOUS' and ClamAV detection strongly indicate malicious intent. The document body is heavily obfuscated and unreadable, but the presence of numerous links and the overall heuristic profile point towards a malicious PDF designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://lbjgold.in/ckfinder/userfiles/files/vekixojeketevo.pdf In PDF document text
- http://lammermoor.net/imagenes/file/zomavakexizesizomenanegeg.pdfIn PDF document text
- https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/wixibikoxisiliwefedejonas.pdfIn PDF document text
- https://kawanmto.net/contents/files/41640702717.pdfIn PDF document text
- http://anhuifan.com/upload_fck/file/2021-9-10/20210910184232353319.pdfIn PDF document text
- http://www.hkimm.hk/_bin/ckfinder/userfiles/files/9369797967.pdfIn PDF document text
- https://soechi.com/userfiles/file/64002519681.pdfIn PDF document text
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/2aa53b44ba18b6e44cce8f53dd0387fe/lotofezebej.pdfIn PDF document text
- https://12shio4.com/contents/files/davunadapega.pdfIn PDF document text
- http://businessplan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/pusudovuv.pdfIn PDF document text
- http://dwallacelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pabavilavige.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613dcbd34879e---zuwalomapesuxegemenus.pdfIn PDF document text
- http://kirilmazbardak.com/userfiles/file/15745413795.pdfIn PDF document text
- https://noventa.cz/media/files/file/39467593563.pdfIn PDF document text
- http://arucax.am/user_images/file/watonanuxowabexukixutov.pdfIn PDF document text
- http://younewstoday.com/task/userimages/file/wugapugisupogupefonilokel.pdfIn PDF document text
- http://olympusflights.com/files/files/45925212868.pdfIn PDF document text
- http://4seasonstours.in/userfiles/file/71001329441.pdfIn PDF document text
- http://saltokisport.com/uploads/files/47356041295.pdfIn PDF document text
- http://jiab.net/userData/board/file/mifidiposunolizotaso.pdfIn PDF document text
- https://nezamirekhaseafoods.com/userfiles/file/2955812644.pdfIn PDF document text
- http://magyaringatlanadatbazis.hu/dev/_user/file/ragibububufigenaku.pdfIn PDF document text
- https://muacash.com/webroot/img/files/60019967667.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/50911309e4ece88981cdcfc051ec8d0c/ganogi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=host+shield+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_off0000d4c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4C6 | 10440 bytes |
SHA-256: d6b3bad6a7569a176a706a54bac1b6fcb9a6d75c0b4c47156c958f22e7eaf57e |
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font_01_sfnt_off0000ec57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC57 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010469.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10469 | 19892 bytes |
SHA-256: e0cb1da881e693edea29916607e938eff9bacf3281449e4747cf94248fb4bea4 |
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