MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The presence of numerous embedded URLs, including a link farm heuristic, suggests an attempt to direct users to malicious content or downloads. The 'SE_DOWNLOAD_BUTTON' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://master-stroi76.ru/userfiles/file/60635569513.pdf In PDF document text
- http://bet-balance.com/userfiles/file/notafazoximefonigaf.pdfIn PDF document text
- https://dycmc.com/DATA/upload/files/202109020523159038.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613b26b79215a---59809593045.pdfIn PDF document text
- https://steammining.com/userfiles/file/3554371652.pdfIn PDF document text
- https://sukhayurveda.in/userfiles/file/2875777228.pdfIn PDF document text
- http://hyunsin.net/userfiles/file/60762958638.pdfIn PDF document text
- http://hkxhjfc.ltd/uploads/files/20210907142701.pdfIn PDF document text
- http://drxzhang.com/userfiles/file/25149230216.pdfIn PDF document text
- http://pnmanagementsolutions.in/uploads/gabifizofilinuxaranirale.pdfIn PDF document text
- http://crisismobile.com/ckfinder/userfiles/files/25906058979.pdfIn PDF document text
- https://www.shropshirefurniture.co.uk/admin/ckfinder/userfiles/files/wobubupasarowifinekima.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e34e8eb06d---42249923885.pdfIn PDF document text
- https://oilbasaro.com/web/images/ckfinder/files/20210912012719.pdfIn PDF document text
- http://www.mecateengenharia.com.br/ckfinder/userfiles/files/pudoramazaririvi.pdfIn PDF document text
- http://www.mueblesgamez.com/ckfinder/userfiles/files/35859085337.pdfIn PDF document text
- https://remini.hu/userfiles/file/30877330065.pdfIn PDF document text
- http://24hnbc.com/assets/ckfinder/core/connector/php/uploads/files/fatenaxed.pdfIn PDF document text
- https://twinscooking.nl/twins/userfiles/file/nadoxileg.pdfIn PDF document text
- http://gruppocreta.com/userfiles/files/tesovuwitadino.pdfIn PDF document text
- http://libron.pl/fckupload/assets/file/jukumuwewono.pdfIn PDF document text
- http://audyt.rowerowaszkola.pl/imgturysta/files/sobexekajut.pdfIn PDF document text
- https://www.smartfutureexpo.com/ckfinder/userfiles/files/45379492071.pdfIn PDF document text
- https://crossfitbeeshark.ro/app/webroot/files/userfiles/files/53845138964.pdfIn PDF document text
- http://virus-safe-zone.com/ckupload/files/93853205436.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=gta+v5+highly+compressed+for+androidPDF 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_off0000d8bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8BD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f0cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0CF | 17680 bytes |
SHA-256: f0a40d6af428f7969128437a4a53b300b218c8abec980e316093ed1d3619c839 |
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font_02_sfnt_off00011e7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E7E | 11420 bytes |
SHA-256: e6cdfdf3103d828e74b7d43d7b854ba742c6669bc8e659ff4040f5a28283de16 |
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