MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to disposable hosting, likely to host or redirect to malicious payloads. The presence of a 'download button' lure further supports a phishing or malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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=restart+hp+android PDF link annotation
- http://snuhonors.com/userfiles/file/54031427488.pdfIn PDF document text
- http://elitacasa.it/images/file/84473601238.pdfIn PDF document text
- https://kildevangen.dk/files/ratomuxidadut.pdfIn PDF document text
- http://18554080.com/userfiles/file/99016265497.pdfIn PDF document text
- https://fotokeramika.bg/userfiles/file/jorowuzobefolumizu.pdfIn PDF document text
- https://malinaionescu.ro/userfiles/file/vemajevumelo.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/4739261318.pdfIn PDF document text
- http://vncdata.net/app/webroot/uploads/files/zozakuguje.pdfIn PDF document text
- http://com123.vn/uploads/file/rirekezewuturubopozunazig.pdfIn PDF document text
- http://dcbestwings.com/uploads/files/dutowezibawibi.pdfIn PDF document text
- http://reguitti-engineering.it/userfiles/files/sokuludotazelarige.pdfIn PDF document text
- https://okazdedziecko.pl/_files/Media/file/mofufosuguzofazadeku.pdfIn PDF document text
- http://agroanaliz.by/upload/editor/files/giduzatoxe.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/1c330ec1d233e6f04c302336708fd1b3/wisowi.pdfIn PDF document text
- http://abwclayton.com/uploads/files/kirirudunalaluxegije.pdfIn PDF document text
- http://aunay-sous-auneau.fr/ckfinder/userfiles/files/mitobekevenetuse.pdfIn PDF document text
- http://csigikes.hu/admin/fck_upload/file/94944798422.pdfIn PDF document text
- http://bebelino.ru/userfiles/file/99515302479.pdfIn PDF document text
- https://ingatlanfelugyelet.hu/uploads/file/39206940054.pdfIn PDF document text
- http://yesilderecine.com/admin/editor_resim/file/61460266071.pdfIn PDF document text
- http://air-ned.com/uploads/files/pixedodasoxogili.pdfIn PDF document text
- http://lulanjina.net/upload/files/gidomokudopakan.pdfIn PDF document text
- https://ebal.ro/app/webroot/files/userfiles/files/pasuvawaxilupetafunape.pdfIn PDF document text
- http://prasongp.com/file_media/file_image/file/96059580017.pdfIn PDF document text
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613df7b77e8ac---39302877782.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_off0000e11d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE11D | 18052 bytes |
SHA-256: 498ee8578006bf5534b1e8694555ddc0eacf8b70b42cfd9914bb53348592323a |
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font_01_sfnt_off0001103f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1103F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012856.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12856 | 10488 bytes |
SHA-256: 23666cf718317087e5c95539550dc6938210950a06c9dcb1b38e0e0369886f69 |
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