MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicative of a link farm. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware delivery. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, as these rules are designed to identify spam or malicious link distribution tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/14a18dcfbfeef5cedf312aabcca989e0/joxazaxixana.pdf In PDF document text
- http://ebsenglish.net/_UploadFile/Images/file/73805932050.pdfIn PDF document text
- http://1careglobal.com/upload/files/93382824774.pdfIn PDF document text
- http://malopolskiszlakwinny.pl/upload/File/11307561237.pdfIn PDF document text
- http://novosib-sport.ru/ckfinder/userfiles/files/66892898493.pdfIn PDF document text
- http://madurastones.com/userfiles/file/zezikotalol.pdfIn PDF document text
- https://bocion.com/ckfinder/userfiles/files/kawake.pdfIn PDF document text
- http://sbcnepal.com/images/file/96945972516.pdfIn PDF document text
- http://a1-automotivegroup.com/upload/files/22842131050.pdfIn PDF document text
- http://chiengthai.com/file_media/file_image/file/dojemopijafo.pdfIn PDF document text
- http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.net/ckfinder/userfiles/files/83798016482.pdfIn PDF document text
- http://jpind.pl/userfiles/file/kanegitil.pdfIn PDF document text
- https://netiko.fr/img/Data/file/bigik.pdfIn PDF document text
- http://azstorestudio.com/uploads/files/fezexoroxanabolez.pdfIn PDF document text
- http://catherine-massage.com/ckfinder/userfiles/files/10797688641.pdfIn PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/e11abc944835b910ed9d72421aef750d/998301325.pdfIn PDF document text
- http://homeopathyhongkong.cn/files/dasikifu.pdfIn PDF document text
- http://dgjinhak.kr/DATA/upload/files/202109100804223588.pdfIn PDF document text
- http://ibrahimabuomira.com/ckeditor/ckfinder/userfiles/files/duzesekib.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f4bce7f743---14102345375.pdfIn PDF document text
- http://anthonyjcincottalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/1994339541.pdfIn PDF document text
- https://almondzwealth.com/administrator/imagetemp/file/zipodefepifewagarasir.pdfIn PDF document text
- http://nemeckystrakac.sk/editor_uploads/files/wefivujikidozev.pdfIn PDF document text
- http://186086.com/upload/files/83775058592.pdfIn PDF document text
- http://unternehmensberatung-hegenbarth.de/userfiles/file/latazalemifo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=indian+idol+2+contestantsPDF 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_off0000efa1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA1 | 10336 bytes |
SHA-256: 61f58a889b9e9168fc2b849d0314a494cd9a1388bc94b32475f1710af9f4f43f |
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font_01_sfnt_off00010716.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10716 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011f28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F28 | 18020 bytes |
SHA-256: 52dea6b6fef292a038fa4536ce606b6a19e51062fc3be34fd41817869fc617ea |
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