MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a link farm pointing to multiple domains, many of which appear to be compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farm heuristics strongly indicates the file's purpose is to redirect users to malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://medvor.ru/uplcv?utm_term=cours+excel+fonction+recherche+pdf PDF link annotation
- http://hnsunnyfood.com/d/files/zedakamesizunusevoxuzesug.pdfIn PDF document text
- http://richiefamilyreunion.com/clients/7/7d/7d03816b951c94fc7c065ced7c7ccdcd/File/vifesiguvunadexeduted.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098e450bd316---bizuzif.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b47dedcd275---wakuwabibufowitanivo.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5a97cf1b2---55718916608.pdfIn PDF document text
- http://aihyang.com/userfiles/file/buxulisibobumegoxo.pdfIn PDF document text
- http://moscowprice.com/content/xuploadimages/file/zaputoledugot.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/6052bd99a8405a801c722b9e07811be8/12533515305.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160a9ef208daf5---nilowigatorevomu.pdfIn PDF document text
- http://gpn1971.org/clients/a/a2/a25689677492d603657f1241a2a69ea8/File/79544437553.pdfIn PDF document text
- http://sun-green.eu/ckfinder/userfiles/files/pawixirofagujibadetajud.pdfIn PDF document text
- http://fairmonteast1975.com/clients/0/01/014dde3c838f86fef2ac1d31a86c415b/File/78615628640.pdfIn PDF document text
- http://nanobubblevietnam.com/uploads/userfiles/file/pubarexixafe.pdfIn PDF document text
- https://firsatoyun.com/calisma2/files/uploads/meded.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/5biq7v9j87fhnt8fdo9dlt6d14/saxixineluwuxijuveme.pdfIn PDF document text
- http://www.pranabkumar.com/fckimages/file/92919083778.pdfIn PDF document text
- http://reclameindex.nl/images/uploads/24893303526.pdfIn PDF document text
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/8fe385993753829d634e4bf96a9f8677/goxizazovileguziguvu.pdfIn PDF document text
- https://tenekedjieva.com/uploads/file/wurulefisasetijax.pdfIn PDF document text
- http://northphoenixmustangs66.com/clients/4/4b/4b49b54eec06ebba3741256e9f3e6f2b/File/xanedugatejefud.pdfIn PDF document text
- http://futureinfashion.com/ckfinder/userfiles/files/linonelefubunulovixobejur.pdfIn PDF document text
- http://www.vegagastro.pl/upload/file/golet.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_off000112c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112C0 | 21456 bytes |
SHA-256: 4a05d5524725a8eab08aede1d6cb18e7ecf9d3ff54a4fe8a842049219a1cff8c |
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font_01_sfnt_off00014929.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14929 | 14752 bytes |
SHA-256: de467a15cf63f06317606d3c6721b774bd427bd25bd050395498bc7ea62fffd8 |
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font_02_sfnt_off00016e29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16E29 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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