MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to unknown or potentially malicious domains, suggesting it acts as a downloader or redirector. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 http://chupanhnoithat.vn/upload/files/51801729981.pdf In PDF document text
- https://arendic.cl/files/livagesule.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16157faa98262a---jajavu.pdfIn PDF document text
- http://mojaksiegowa.net/userfiles/file/43625582399.pdfIn PDF document text
- http://jmk.kr/ckfinder/userfiles/files/zinukeru.pdfIn PDF document text
- http://alrabbanoilandgas.com/file/files/napakokenekobu.pdfIn PDF document text
- https://igk-lilienthal.de/downloads/nuxidobar.pdfIn PDF document text
- http://st03.it/userfiles/files/66771776635.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/9aa03dfab236dacfec457a3b81c6dda3/32324321766.pdfIn PDF document text
- http://fujavietnam.com/images/Download/10195490549.pdfIn PDF document text
- http://alles-vom-schreiner.de/userfiles/file/vodoxonizikux.pdfIn PDF document text
- http://mecateengenharia.com.br/ckfinder/userfiles/files/zusitijefi.pdfIn PDF document text
- https://bywuf.org/upload/editor/files/rovajabavafupubili.pdfIn PDF document text
- https://kaptenhoki.com/contents/files/pavigogodanagepemi.pdfIn PDF document text
- https://hsdinstruments.nl/uploads/files/nixopomugilebinoxis.pdfIn PDF document text
- http://php-lounge.de/userfiles/file/teturapida.pdfIn PDF document text
- http://vuatoyen.com/uploads/userfiles/file/midaromosolum.pdfIn PDF document text
- https://fundacionamigosdelmarcaribe.ong/ckfinder/userfiles/files/voxadipejesomezojexutur.pdfIn PDF document text
- http://sushigonewildtogo.com/uploads/files/kubezenosozakeguje.pdfIn PDF document text
- http://hejia-ele.net/upload/sodebubi.pdfIn PDF document text
- http://studioguagnoni.it/userfiles/files/37505835809.pdfIn PDF document text
- http://wsystem.sk/userfiles/files/23592625412.pdfIn PDF document text
- http://maudchristan.nl/ckfinder/userfiles/files/nabuzetadewebikivoketo.pdfIn PDF document text
- http://xn--80aer5aza.xn----htbdepbihnfb8cyg.xn--p1ai/ckfinder/userfiles/files/faxawixosolujuvup.pdfIn PDF document text
- http://satyavnetworks.com/fck_upload_images/file/zufezadozosudenavasegesi.pdfIn PDF document text
- http://obraz-tlt.ru/userfiles/file/kisotogu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=actual+manufacturing+overhead+rate+formulaPDF 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_off0000f8b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8B2 | 18080 bytes |
SHA-256: 77762ca16158eebdf01b0479c57bcdc2f4b37622adc91edb6d1d7145bb739b9a |
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font_01_sfnt_off00012789.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12789 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013fa0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FA0 | 10900 bytes |
SHA-256: 5fc45d71672d41fc9eb7e62645c791b9b4e6fbdd0a9566f12e312eaa3037fdae |
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