MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to disposable hosting or compromised CMS upload directories, suggesting a link farm designed to lure users to download applications. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://kythuatviet.vn/uploads/userfiles/file/juxaxozekibe.pdf In PDF document text
- https://hrmconsulting.biz/upload/files/52506596220.pdfIn PDF document text
- http://aptekadc.pl/userfiles/userfile/rumagezifuvafuvazafedig.pdfIn PDF document text
- https://zlato-invest.cz/upload/files/65268460217.pdfIn PDF document text
- http://hataylezzeti.com/resimler/files/715248052.pdfIn PDF document text
- http://we-women.de/default/files/uploads/file/popilox.pdfIn PDF document text
- https://mahanakhon.pacedev.com/ckupload/files/7016050833.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/suxewavotagukibudegoxade.pdfIn PDF document text
- https://architektor.ru/uploads/file/57525907157.pdfIn PDF document text
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135bbbcbeff4---bufukawaxinozidotafub.pdfIn PDF document text
- https://grandplaza.bg/uploads/assets/file/45942586596.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139696b9823c---tewoniwuzamobaxewumed.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c1d1c56ea9---ludisaxuboxuzelakenaja.pdfIn PDF document text
- http://barsugo.com/ckfinder/userfiles/files/koxenuzelexivegaleposuvib.pdfIn PDF document text
- http://lrm.mcdonalds.ua/ckfinder/userfiles/files/fasadimazilatifatugu.pdfIn PDF document text
- http://deauville.ru/files/file/94516996797.pdfIn PDF document text
- http://barefoot.pl/userfiles/file/xavevoxonewelefobabifage.pdfIn PDF document text
- http://svx.su/ffile/file/2687445832.pdfIn PDF document text
- http://bsl-trans.ru/admin/ckfinder/userfiles/files/24279046124.pdfIn PDF document text
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/16140c1b09d5b5---8168834568.pdfIn PDF document text
- http://debrecen.varosom.hu/userfiles/files/zivevaxixi.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/d65db937f101a87c385d9e82325a4f19/66725160415.pdfIn PDF document text
- https://webmenuplus.com/images/file/fakeganikewemenukunuro.pdfIn PDF document text
- http://crosswaysrecruitment.com/userfiles/file/8751625923.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=score+hero+game+apk+downloadPDF 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_off0000ca71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA71 | 10856 bytes |
SHA-256: 56cf77baa2060e8f7f7e627e557f44d9cab4577ae5ea3cb7390e58aa0080b025 |
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font_01_sfnt_off0000e32b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE32B | 17720 bytes |
SHA-256: 8f792b37f8512a402a5b395e739c3b5a58f1559a6912c5eb52ab2b964852b342 |
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font_02_sfnt_off000110b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110B7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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