MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many of which point to disposable hosting and are likely used to redirect users to malicious sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a tactic of creating a link farm on disposable hosting, suggesting an attempt to obscure the final malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9827
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 https://crewmak.ru/uplcv?utm_term=best+keyword+suggestion+tool PDF link annotation
- https://cargobull.cz/res/file/zinivorela.pdfIn PDF document text
- http://vucert.vn/uploads/files/51578874990.pdfIn PDF document text
- https://hyosungulf.com/uploads/file/naxapininelajilil.pdfIn PDF document text
- https://webkapper.nl/ckfinder/userfiles/files/85376021664.pdfIn PDF document text
- https://rallstarawards.us/nbloom/fckuploads/file/samefel.pdfIn PDF document text
- https://vadihosting.com/calisma2/files/uploads/getawufo.pdfIn PDF document text
- http://lynxauto.ru/userfiles/file/7939138309.pdfIn PDF document text
- https://przygodanaukrainie.pl/admin/ckfinder/userfiles/files/lanuwa.pdfIn PDF document text
- http://sinoscaform.com/upload/ckimg/files/202109092321594475.pdfIn PDF document text
- http://med-os.com/user_upload/file/jepofutudinariso.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613e1230a9882---bafajepaberapop.pdfIn PDF document text
- http://agriturismocorteerbatici.it/userfiles/files/nemofa.pdfIn PDF document text
- http://picart-personal.pl/fckupload/upload/file/16448533953.pdfIn PDF document text
- http://mnogonomerov.ru/uploads/file/guvale.pdfIn PDF document text
- http://bdn10.cz/files/file/73995375265.pdfIn PDF document text
- http://jca-t.com/fck_image/file/dapasalifixobesuxu.pdfIn PDF document text
- https://calendarsunrooms.com/userfiles/files/69198609249.pdfIn PDF document text
- http://daiichilogistics.com/uploads/news_file/96636369327.pdfIn PDF document text
- http://kfnmdg.com/upfolder/e/files/20210909082734.pdfIn PDF document text
- http://sun-tes.ru/files/file/bofezar.pdfIn PDF document text
- http://bikipvuikhoedep.com/app/webroot/files/editor_upload/files/13105432296.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130dcb3e6a76---zipijosigiragupetol.pdfIn PDF document text
- http://stellamaris.cz/userfiles/3444084144.pdfIn PDF document text
- http://pivotal-technologies.com/userfiles/file/gamikusutuvuxuvimevarisen.pdfIn PDF document text
- http://www.eatvirukai.lt/uploads/files/75206895329.pdfIn PDF document text
- https://rts-wm.com/ckfinder/userfiles/files/derekavavotimajuxugofef.pdfIn PDF document text
- http://bsl-trans.ru/admin/ckfinder/userfiles/files/dakaludumibegaf.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_off0000c764.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC764 | 17604 bytes |
SHA-256: ee7f9c5f84355f7d5a425b01cc21ef8e1b82c4e4f9851189a510667ec4618ff6 |
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font_01_sfnt_off0000f4d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4D9 | 10704 bytes |
SHA-256: 4f3a43c33e777af7c7e636aa850d6f0ccf1b68138b30c6a327c462cc07b257d8 |
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font_02_sfnt_off00010d6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D6F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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