MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs pointing to compromised websites and disposable hosting, indicative of a link farm designed to lure users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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 https://allytemp.ru/uplcv?utm_term=zumdahl+chemistry+9th+edition+solutions+pdf PDF link annotation
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16134bcffac2cb---31697821104.pdfIn PDF document text
- http://gndpta.eu/news_objects/files/22429947545.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161347863a23f8---xanusodilijebabepatuwi.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/085446c9fd57e3c6ea681cc360c99a60/tewetidewodowomagikokola.pdfIn PDF document text
- https://reazfarah.com/ckfinder/userfiles/files/8071852101.pdfIn PDF document text
- https://securitydm.rs/slicice/file/49724907745.pdfIn PDF document text
- http://novo-foto.ru/ckfinder/userfiles/files/92906366960.pdfIn PDF document text
- http://www.huntsvillepr.com/files/files/dasowubegisovurajoz.pdfIn PDF document text
- http://www.americaninvest.net/upls/files/xuxet.pdfIn PDF document text
- http://pm-ural.com/uploads/files/lowesiruvujiwe.pdfIn PDF document text
- https://nicklason.se/ckfinder/userfiles/files/74557803464.pdfIn PDF document text
- https://laser123.com/geektic/files/navefun.pdfIn PDF document text
- https://beysukonaklari.com/ckfinder/userfiles/files/wewanewupuvelomim.pdfIn PDF document text
- http://vcelari.naceradec.cz/includes/ckfinder/userfiles/files/75076253535.pdfIn PDF document text
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141b0719668f---95499404476.pdfIn PDF document text
- https://magyar-logyogyasz.hu/fileok/file/dafimudodeperitomejexad.pdfIn PDF document text
- https://smgbid.com/ckfinder_userfiles/files/samixazikojijuvaluv.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16133172465d12---1947648429.pdfIn PDF document text
- http://ambulatorioveterinariorigolon.eu/userfiles/files/36472692264.pdfIn PDF document text
- http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/91398215903.pdfIn PDF document text
- http://indemo.pl/Image/files/41619478726.pdfIn PDF document text
- http://mustang.tom.ru/jsplugins/ckfinder/userfiles/files/pulewet.pdfIn PDF document text
- 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_off0000eb7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB7C | 11228 bytes |
SHA-256: 7bc97f702fdb9b2984883f746b656f531c5860be1b000d502935559e0a815644 |
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font_01_sfnt_off000105ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105AD | 18828 bytes |
SHA-256: 5e19d353fae27bc42e0c5c67cd2abd0611c81a140e6455d9b2d74f0a540a0f90 |
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font_02_sfnt_off000135e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135E1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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