MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs and is flagged as a link farm on disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a malicious document, likely leveraging embedded JavaScript for malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://synerhu.ru/uplcv?utm_term=apk+mod+worms+zone+io PDF link annotation
- https://foodexgida.com/uploads/files/9807052032.pdfIn PDF document text
- https://ons-station.com/editor_upload/file/xifonesefasubud.pdfIn PDF document text
- https://nezrenpin.com/calisma2/files/uploads/58509682916.pdfIn PDF document text
- https://marathonroller.com/userfiles/files/94255330710.pdfIn PDF document text
- http://tcgardening.com/userfiles/file/2021092110040373499.pdfIn PDF document text
- http://change4best.ru/upload/file/5167746435.pdfIn PDF document text
- http://phongkhamthienhoa.vn/images/files/xijebepovowodikakakup.pdfIn PDF document text
- http://auswallendorf.de/userfiles/file/4501213720.pdfIn PDF document text
- http://citygclub.com/ckupload/files/23406290772.pdfIn PDF document text
- http://cjmfgx.morefriendship.com/upload/files/supivanumuwerizitiza.pdfIn PDF document text
- http://superlitefan.com/uploads/files/telamarakonu.pdfIn PDF document text
- http://eapver.com/upload/ckimg/files/202109090601272240.pdfIn PDF document text
- https://hamayeshniroo.com/shop/file/52005952657.pdfIn PDF document text
- https://pierrelemagicien.com/userfiles/file/93012880735.pdfIn PDF document text
- https://nieruchomoscikomercyjne.co/files/file/gibuwanetikis.pdfIn PDF document text
- http://ac-kenigsberg.ru/files/file/1538798452.pdfIn PDF document text
- http://chataphan.com/file_media/file_image/file/82403648495.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/161329b47223c7---71201216694.pdfIn PDF document text
- https://nordavril.com/userfiles/file/66754848358.pdfIn PDF document text
- http://www.radeton-cz.vasestranky.cz/ckfinder/userfiles/files/nurifuzakajolub.pdfIn PDF document text
- http://bjjiffy.com/upload/naserikelile.pdfIn PDF document text
- https://autotoner123.com/home/autotone/public_html/ckeditortest_WORKING/ckfinder/userfiles/files/pasodef.pdfIn PDF document text
- http://massimomoroni.it/userfiles/files/38830142475.pdfIn PDF document text
- http://hmondo.com/userData/board/file/repewadegefar.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_off0000cc66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC66 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e47d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE47D | 10464 bytes |
SHA-256: 533b1368696d8195e2e2f834c59335146ca2dfcb503d0ae6098a343d60e27eca |
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font_02_sfnt_off0000fc4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC4E | 17596 bytes |
SHA-256: e100bf9d6734ebd4ca2bb325bced17b76e73f73e732abe4e19591484dd9dc965 |
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