MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to external PDF files, suggesting it functions as a downloader or redirector. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating a structure designed to distribute links across potentially disposable hosting. No scripts were extracted, but the overall structure points to a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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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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://mp-journal.com/media/file/donodanibomoxotarajagor.pdf In PDF document text
- https://protradingindia.net/userfiles/file/nemariwijodopatafekuz.pdfIn PDF document text
- http://www.pvvc.cz/files/dotesumidagemezadi.pdfIn PDF document text
- http://ancient-theater.gr/media/file/75312903865.pdfIn PDF document text
- https://sweetburden.com/upload/users/files/nutumutumulijowasuno.pdfIn PDF document text
- http://alhouti.com/userfiles/file/pexoxemolodobevininajo.pdfIn PDF document text
- https://aneri12.eu/res/file/tudori.pdfIn PDF document text
- http://xn----otbbfbbknchz.xn--p1ai/sadm_files/jamivik.pdfIn PDF document text
- http://annabarons.com/files/files/22987081860.pdfIn PDF document text
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/e28877f234cf64d0c8e67071a32116b0/83867868172.pdfIn PDF document text
- https://marblobaths.com/app/webroot/img/files/99091416219.pdfIn PDF document text
- http://redactron.com/userfiles/file/69347513498.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16134af78c23b6---23147015046.pdfIn PDF document text
- http://hk888.edo2008.com/com/comimg/file/20210913_140247_121.pdfIn PDF document text
- http://architettobotteonpierpaolostudioabacus.it/userfiles/files/fepegun.pdfIn PDF document text
- http://re-media.ru/foto/ck/files/27798464472.pdfIn PDF document text
- http://thaoduocvn.com/userfiles/image/file/goxerawemox.pdfIn PDF document text
- https://pfollowers.com/ci/userfiles/files/79960704674.pdfIn PDF document text
- https://novamakine.com/upload/ckfinder/files/75314761875.pdfIn PDF document text
- http://yuhongzg.com/d/files/29877565189.pdfIn PDF document text
- https://newshieldinsurance.com/demo/gsa/final/images/file/dofalozukerosobesu.pdfIn PDF document text
- https://greenline.bg/userfiles/file/74965328916.pdfIn PDF document text
- http://bc-arman.kz/ckfinder/userfiles/files/lazorolexiwix.pdfIn PDF document text
- https://designmaster.in/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/lepolobuxaluritasowos.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=app+store+alternative+androidPDF link annotation
- http://crossfit28.com.s125853.gridserver.com/siteuploads/editorimg/file/6852175102.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_off0000e15f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE15F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f971.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF971 | 17520 bytes |
SHA-256: 862e3d601877b87b93b2469df66222bcd4d35d685b032ecfc736119a455b473b |
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font_02_sfnt_off000126d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126D7 | 10432 bytes |
SHA-256: bbe153fce1d505986030dbce0fc1cefb29ca6d5b48ee2c7666ca924bc75de339 |
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