MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains numerous embedded URLs, many of which are associated with link farms and disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a malicious document, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://chcial.ru/uplcv?utm_term=my+wifi+is+not+showing+on+my+phone PDF link annotation
- https://braindevelopmentmaps.org/userfiles/files/jojeki.pdfIn PDF document text
- http://bargiel.com.pl/ckfinder/userfiles/files/10644627442.pdfIn PDF document text
- https://0900107678.com/upload/file/jusezug.pdfIn PDF document text
- https://unitytradefze.com/ckfinder/userfiles/files/miwivadujemuwabotiz.pdfIn PDF document text
- http://qqsbg.net/uploads/file/39039885875.pdfIn PDF document text
- http://etcad.net/np/upfile/file/84116117741.pdfIn PDF document text
- http://africahistory.net/africahistory/upload/files/96111304954.pdfIn PDF document text
- http://apexnepaltravel.com/userfiles/file/77418734011.pdfIn PDF document text
- https://sasalidayanisma.org/uploads/file/5062514638.pdfIn PDF document text
- https://exlite.it/ckfinder/userfiles/files/vireri.pdfIn PDF document text
- http://barudan.hk/UploadFile/file/20210916003513164.pdfIn PDF document text
- http://proxima-online.it/public/file/2037065810.pdfIn PDF document text
- http://giayviettri.com/img-ftec/files/wataval.pdfIn PDF document text
- http://analhospital.net/file/files/37369623626.pdfIn PDF document text
- http://pactolous.hu/upload/file/81497988680.pdfIn PDF document text
- https://latgalesamatnieki.lv/files/file/pepujutiseraf.pdfIn PDF document text
- http://sanruou.com/app/webroot/uploads/files/solizivuzemida.pdfIn PDF document text
- https://mariellatriolo.it/public/file/kagilofadenuwezifavomujiw.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/161427742319ea---mukopawikutugidevugixon.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16143518ca15fd---59590444074.pdfIn PDF document text
- http://mehmetrasimmutlu.com/icerik/file/79636561495.pdfIn PDF document text
- https://100tmt.com/uploadimage/files/20210917125921.pdfIn PDF document text
- http://chelseafoodmart.com/uploads/files/pivazofenu.pdfIn PDF document text
- https://assignmentmart.com/ckfinder/userfiles/files/4292864782.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_off0000e449.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE449 | 18020 bytes |
SHA-256: 304e7d974b40d17add5b1e72538b44e8390bae734f85a2a7744482455066c484 |
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font_01_sfnt_off00011372.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11372 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012b89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B89 | 10692 bytes |
SHA-256: 1d7dca9f6b76ad714a0e9400d5c33a9d4de7103bfa23bfadcc6c9d6e5fe7c12c |
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