MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The heuristics indicate the PDF acts as a link farm, directing users to numerous distinct, potentially disposable domains, which is a common phishing tactic. The document body was unreadable, but the presence of many embedded URLs and the link farm heuristic strongly suggest a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://www.spitalmoldovanoua.ro/ckfinder/userfiles/files/42807960223.pdf In PDF document text
- https://hrmconsulting.biz/upload/files/nonozuvu.pdfIn PDF document text
- http://tjsyjdq.com/v15/Upload/file/2021910545534688.pdfIn PDF document text
- https://hram-uspeniya.ru/ckfinder/userfiles/files/86894657147.pdfIn PDF document text
- http://surveycook.com/upload/tmp/202109/file/18809664364.pdfIn PDF document text
- https://websbag.com/uploads/files/bifad.pdfIn PDF document text
- http://doubles301.jp/files/ckeditor/files/36298921831.pdfIn PDF document text
- https://ngusacdon.com/upload/files/manotidigovitomiri.pdfIn PDF document text
- http://narnivet.com/userfiles/files/rugake.pdfIn PDF document text
- https://szalkasszorutacskok.hu/app/webroot/files/content/files/xukedodo.pdfIn PDF document text
- http://hoadondientu-ptp.vn/images/ckeditor/files/22428607925.pdfIn PDF document text
- https://brihat-group.com/assets/userfiles/files/sanuvojexu.pdfIn PDF document text
- http://arisutour.com/ckupload/files/kezinanato.pdfIn PDF document text
- http://joltiy.ru/uploads/files/54142332982.pdfIn PDF document text
- http://abwingssuffolk1.com/uploads/files/zixumoporubijavoxewipone.pdfIn PDF document text
- https://istruttorecinofilo.it/userfiles/file/91694894393.pdfIn PDF document text
- https://eniedu.com/data/file/20210919132746.pdfIn PDF document text
- http://jshtextile.com/UserFiles/file///96492194497.pdfIn PDF document text
- http://ineke-ott.nl/keramiek-beelden-imagesfile/duguf.pdfIn PDF document text
- https://perfecthospital.net/ckfinder/userfiles/files/46041260665.pdfIn PDF document text
- http://benthanhsgfarm.net/images/uploads/files/jetinovodupi.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143ae7ba0fcc---65627542484.pdfIn PDF document text
- https://www.aifimm.it/admin/inc/ckfinder/userfiles/files/rexiziposopexiteborakeret.pdfIn PDF document text
- https://mollis.rs/files/tubujamiporimatixinonomet.pdfIn PDF document text
- http://immodraft.nrw/images/architekten_agentur_images_/file/rarixosiditavifawujowem.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=gears+5+3+player+co+opPDF link annotation
- 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_off0000c509.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC509 | 10532 bytes |
SHA-256: e5d31b33c4d01740ff5398d1e1bae81abc783bf534bb4fc1c95d47081e1799d3 |
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font_01_sfnt_off0000dd42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD42 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f554.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF554 | 17100 bytes |
SHA-256: f05a4469667119e953203208d9b4dc59b2e40034bc1f2c6cc8b011d348703c34 |
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