MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is a common technique for executing malicious code. The PDF also contains numerous external URIs, many of which point to disposable domains and are structured as link farms, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support its malicious nature, likely serving as a lure to download further payloads or redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://inwebjor.ru/uplcv?utm_term=simpsons+tapped+out+hack+android+2020 PDF link annotation
- http://galluccifaibano.it/userfiles/file/pojin.pdfIn PDF document text
- http://emeraldcovepartners.com/_data/images/file/rezuvekikojere.pdfIn PDF document text
- http://encino.kopanramen.com/uploads/files/wewamezegilupeve.pdfIn PDF document text
- https://oriental-kitchens.com/userfiles/files/24426677480.pdfIn PDF document text
- https://0924055971.com/uploads/files/202109090401482647.pdfIn PDF document text
- http://mikailang.net/userfiles/file/20210918133807_119780938.pdfIn PDF document text
- http://es-iyashinomori.net/yamituki-n/uploads/files/41335704398.pdfIn PDF document text
- https://uetty.xyz/js/ckfinder/userfiles/files/30805313297.pdfIn PDF document text
- http://shijijiaming.net/filespath/files/20210917005518.pdfIn PDF document text
- http://gz-theoutfit.com/UploadFiles/FCKeditor/20210927165448.pdfIn PDF document text
- http://krupongs.com/images/file/43581522435.pdfIn PDF document text
- https://glaze-metalart.com/upload/files/5247334538.pdfIn PDF document text
- http://unseretochter.com/images/file/2153630306.pdfIn PDF document text
- http://abwplazaview.com/uploads/files/topujolevuk.pdfIn PDF document text
- http://ttfi.org/app/webroot/userfiles/file/wosewerirorivogozojo.pdfIn PDF document text
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16153624b3c6cb---zufetivabowidor.pdfIn PDF document text
- http://perchegouet.com/ckfinder/userfiles/files/nixobiledajalopagofo.pdfIn PDF document text
- http://casaperferiesantamariagoretti.com/writable/public/userfiles/file/kalenodipovedenifodubine.pdfIn PDF document text
- http://bhk-aindling.de/userfiles/files/28391034058.pdfIn PDF document text
- https://101doctor.com/uploads/ckfiles/files/6150b561d727d.pdfIn PDF document text
- http://inspiredindianfoundation.org/uploads/lagidikepapusawage.pdfIn PDF document text
- http://msinziniering.com/userfiles/file/fufavojeruxugezonobubed.pdfIn PDF document text
- http://myxroad.net/upload/userfiles/file///62408938159.pdfIn PDF document text
- http://acm-medicali.it/userfiles/files/linovebejamitalosos.pdfIn PDF document text
- https://rm-parketi.si/uploads/vovibigopi.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_off0000b06f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB06F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c881.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC881 | 17596 bytes |
SHA-256: 77f9547fbdb99c4f76642848c294097c537e8582a9b8a8b21d96abd883d181fe |
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font_02_sfnt_off0000f562.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF562 | 11244 bytes |
SHA-256: 45608eee1c5dc08d6c3acbb0e322024c606d0de5ae5145995419cf8f2ccc6d03 |
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