MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded links, many of which point to disposable hosting and appear to be part of a link farm designed to obscure the ultimate destination. The presence of a 'download button' heuristic further suggests a lure to download a malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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 https://catamma.ru/uplcv?utm_term=descargar+gta+vice+city+para+android+gratis+en+espa%C3%B1ol PDF link annotation
- https://vnycc.com/userfiles/file/givad.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/161400e2e4391f---bitoverikale.pdfIn PDF document text
- https://urologasdainys.lt/userfiles/file/15048193398.pdfIn PDF document text
- http://khojedu.net/userfiles/file/35557486949.pdfIn PDF document text
- http://wccflooring.com/userfiles/files/62135287531.pdfIn PDF document text
- http://sbsinternationalschool.org/userfiles/file/92381455469.pdfIn PDF document text
- http://twtqedu.com/userData/ebizro_board/file/wuruxagutewewume.pdfIn PDF document text
- http://tabletopad.com/images/file/wumugutubilomodar.pdfIn PDF document text
- http://rtm-plus.com/ckfinder/userfiles/files/vodetomikinili.pdfIn PDF document text
- http://kommunikator.nu/demo/userfiles/file///felaletidasuwexal.pdfIn PDF document text
- http://erictex.com/ufiles/files/duvitasunevixugivabafif.pdfIn PDF document text
- http://qianlong99.org/ckfinder/userfiles/files/21184624376.pdfIn PDF document text
- https://cytairtool.com/test/userfiles/file/20210906_d2782.pdfIn PDF document text
- https://atlaskvartir.ua/data/uploads/files/60840628337.pdfIn PDF document text
- https://e-fasteners.eu/media/file/beguxupetazupotaruve.pdfIn PDF document text
- http://americasbestmanassas.com/uploads/files/15211066326.pdfIn PDF document text
- https://oncallanatomist.com/ckfinder/userfiles/files/xiteluvumatopemufesifoka.pdfIn PDF document text
- http://desushibar.com/userfiles/file/86716068327.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613965400f24c---12703073561.pdfIn PDF document text
- https://georeno.ca/userfiles/files/biwopezoguxanuv.pdfIn PDF document text
- http://www.satunatc.ac.th/ckfinder/userfiles/files/sotunedojijemopubipo.pdfIn PDF document text
- http://anduong-nhatthanh.com/uploads/news_file/43264819303.pdfIn PDF document text
- http://uptownchantilly.com/uploads/files/fajetiradixixogudep.pdfIn PDF document text
- https://rdsdealers.com/ckfinder/userfiles/files/62890470258.pdfIn PDF document text
- http://tornyanggrace.com/upload/file/kepoger.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_off0000d532.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD532 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED44 | 18108 bytes |
SHA-256: 24fed2c704aac413b287b4b4b5ca314c0c56696e778614dd5ff557517dd66ee8 |
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font_02_sfnt_off00011c12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C12 | 11076 bytes |
SHA-256: 52468f74361c29adade34ae752246886f4c59f3f9067b46fb4c92b8dac7adba4 |
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