MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to disposable hosting, and one URL specifically mentions 'apk download', suggesting a lure for users seeking software. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a large number of links on potentially untrustworthy domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://chcial.ru/uplcv?utm_term=whisper+apk+download PDF link annotation
- http://dfwsedan.com/nbloom/fckuploads/file/totarana.pdfIn PDF document text
- https://binarbaidtrading.com/public_html/userfiles/file/23874210518.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/vinevoruvitogawivejiluj.pdfIn PDF document text
- http://easytravel63.ru/ckfinder/userfiles/files/nosobopibuk.pdfIn PDF document text
- http://dc-a0dcf319a153.breakthroughsport.com/userfiles/files/jerebuzuk.pdfIn PDF document text
- https://satuldelut.ro/ckfinder/userfiles/files/33529330865.pdfIn PDF document text
- http://worldtile.net/jangheung/userfiles/file/varutuwuxix.pdfIn PDF document text
- https://impactmediaresources.com/userfiles/file/zudaxidejep.pdfIn PDF document text
- https://soportedevida.mx/ckfinder/userfiles/files/98840166241.pdfIn PDF document text
- http://felixefontesadvogados.com.br/ckfinder/userfiles/files/vuwaterudufipameki.pdfIn PDF document text
- https://santevita-bg.com/ckfinder/userfiles/files/16372886394.pdfIn PDF document text
- https://mehreganimaging.com/images/upload/files/poxizalalelikekuv.pdfIn PDF document text
- http://nwatchonline.net/userfiles/file/zuredoweluvowitogapibo.pdfIn PDF document text
- http://mitcostruttori.it/userfiles/files/35648694714.pdfIn PDF document text
- http://infinity-pro.ru/userfiles/file/nipisevebepevimuloxa.pdfIn PDF document text
- http://tourbusan.net/FileData/ckfinder/files/20210904_AF6285EF1A02174D.pdfIn PDF document text
- http://bociany.sk/media/file/lufubabunarukakunatoxo.pdfIn PDF document text
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/c285b904e6817bc66ccb6afd456c4fe2/fadaz.pdfIn PDF document text
- https://dnsbp.com/all4help/fckuserfiles/file/43228116256.pdfIn PDF document text
- http://giadinhmedia.com/uploads/files/nisedasuposalilorefipet.pdfIn PDF document text
- http://tuyothuyluc.vn/webroot/img/files/wuwoguxapiruxaxaziniveve.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f86ee07a70---kidobe.pdfIn PDF document text
- http://avvocatogiuliani.it/userfiles/files/pomevadasusodosinajus.pdfIn PDF document text
- http://gmkms.net/upfile_editor/2021/files/porezuwasivaxakojo.pdfIn PDF document text
- http://www.cda.org.hk/ckfinder/userfiles/files/11248987104.pdfIn PDF document text
- http://alessandrotria.altervista.org/areap/ckfinder/userfiles/files/77018527355.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_off0000e087.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE087 | 10564 bytes |
SHA-256: d4688dd24bbd65197fbe3252d96bdbc47c4707c6898c9a85dc18fa588ecb23b7 |
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font_01_sfnt_off0000f890.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF890 | 18336 bytes |
SHA-256: c6b5364b1e1fdf57f3bbf96b49abb56d41a9664393b9662caa06d58555a49e61 |
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font_02_sfnt_off0001285f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1285F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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