MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicated a high probability of maliciousness. The heuristics identified it as a link farm on disposable hosting, with numerous distinct domains pointing to PDF files. The embedded URLs and the nature of the heuristics suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://zkpower.net/upload/files/sivadolipazipigikemaxezuk.pdf In PDF document text
- https://kclandscapes.com/ckfinder/triplebuserfiles/file/panuweboneze.pdfIn PDF document text
- http://homestationrealty.com/userfiles/files/wolonenenikepoxekegota.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613e175586d0b---8862739308.pdfIn PDF document text
- http://preiss.at/upload_files/files/89853585597.pdfIn PDF document text
- http://criminisiepartners.it/userfiles/files/metogofebezodumul.pdfIn PDF document text
- https://iieng.org/editor/ckfinder/userfiles/files/kagawefuluvujek.pdfIn PDF document text
- http://orourkelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/90508211443.pdfIn PDF document text
- http://vpsystem.com/files/fck/razorurewojabujaluladagux.pdfIn PDF document text
- https://anitacalderon.com/ckfinder/userfiles/files/56271321075.pdfIn PDF document text
- http://xszhuhai.com/uploadfiles/files/sejamufager.pdfIn PDF document text
- http://thcsducthang.pgdbactuliem.edu.vn/ckfinder/userfiles/files/22582620593.pdfIn PDF document text
- http://refinerlink.com/userfiles/file/tipijuwozojokivadiwawup.pdfIn PDF document text
- https://cometgroupinternational.com/ckeditor/ckfinder/userfiles/files/laxawovowag.pdfIn PDF document text
- http://distant-property.ru/fck_editor_files/files/zububitufedajawoxez.pdfIn PDF document text
- https://www.domaine-de-la-ferme.fr/ckfinder/userfiles/files/69634720562.pdfIn PDF document text
- https://montpellier-business-plan.com/mbp/upload/images/images/upload/ckfinder/66832367865.pdfIn PDF document text
- http://spreewaldatelier.de/img/editor/file/31207817751.pdfIn PDF document text
- http://medrea.ru/upload/files/tadimuk.pdfIn PDF document text
- http://reanda.com/jingkelun/userfiles/files/20210906092746.pdfIn PDF document text
- http://schturman.ru/files/files/28989568422.pdfIn PDF document text
- http://kfnmdg.com/upfolder/e/files/20210916110323.pdfIn PDF document text
- https://linardi.ru/files/file/49348808008.pdfIn PDF document text
- https://ruedi-leuthold.com/userfiles/files/zidasukewigeretuveso.pdfIn PDF document text
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161312d14c1d5e---17293093147.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=check+temperature+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_off0000cb80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB80 | 16956 bytes |
SHA-256: 9ad16ee302b900c542ee4f20c83378298e22e65b695eb07c6698e7df149c54e5 |
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font_01_sfnt_off0000f730.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF730 | 10788 bytes |
SHA-256: 1907375f6a4f6bf14384edf84efea446fde60fd246c401f804ed5bdc4355927b |
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font_02_sfnt_off00010fd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FD7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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