MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a phishing lure. It contains numerous embedded URLs and a heuristic indicating it's a link farm, suggesting an attempt to redirect users to malicious sites. The document's content, though heavily obfuscated in the provided excerpt, is described by heuristics as instructing users to scan a QR code, a common tactic for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://halkapsikoloji.com/userfiles/file/toririzazudiferebetu.pdf In PDF document text
- http://www.s-prom.si/fileupload/file/65828379437.pdfIn PDF document text
- http://facyt.com.ar/ckfinder/userfiles/files/vijesamijoxikilikuzat.pdfIn PDF document text
- https://liantoong.com/archive/upload/files/87375446323.pdfIn PDF document text
- http://bjhtdszdh.com/v15/Upload/file/202195655461180.pdfIn PDF document text
- http://autoklej.pl/app/webroot/media/files/62190086719.pdfIn PDF document text
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/1293f7f1b389ff73fd45373b89addf50/53127942135.pdfIn PDF document text
- http://studiotecnicomaglio.it/userfiles/files/59410729611.pdfIn PDF document text
- http://vivaldiskibus.com/FileData/ckfinder/files/20210905_C2BCBC5C9C815C26.pdfIn PDF document text
- https://pastijptoto.com/contents/files/fediwilupigimokavemusug.pdfIn PDF document text
- http://www.darvidproperty.com/news/file/kaloranemozurorurame.pdfIn PDF document text
- https://baruipur.org/ckfinder/userfiles/files/11139031765.pdfIn PDF document text
- http://texinpack.com/uploadfile/file///2021090512200481.pdfIn PDF document text
- http://timebymtm.com/upload/files/potuzapo.pdfIn PDF document text
- http://15881588.com/ckupload/files/mifoteruzazotatowafunujo.pdfIn PDF document text
- http://topstec.com/d/files/gajazuxagemiwobabage.pdfIn PDF document text
- http://pacemakerpressintl.com/uploads/assets/file/vutapumodazaroxuga.pdfIn PDF document text
- http://www.naturhalles.fr/fckeditor/userfiles/file/dovukazupezasa.pdfIn PDF document text
- https://mosaicopeoplecorporation.com/ckfinder/userfiles/files/xirana.pdfIn PDF document text
- http://abwmountvernon.com/uploads/files/68112195251.pdfIn PDF document text
- http://pnktools-th.org/ckfinder/userfiles/files/gapuvorawisoparovalidu.pdfIn PDF document text
- http://sushiosushi.com/uploads/files/jeverapifariberosanisobu.pdfIn PDF document text
- http://turystyka.powiatlubartowski.pl/admin/ckfinder/userfiles/files/gamokawixejilaxurabaw.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=qr+code+scanner+for+wifi+passwordPDF 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_off0000e38b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE38B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fba2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBA2 | 10612 bytes |
SHA-256: 0c31dac7fb187bbd2aa8fdf11617f7c74cd381b68dfa8cf521a77a9ae9cc48ab |
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font_02_sfnt_off00011422.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11422 | 18144 bytes |
SHA-256: 1492437493b4f43e75293df717e5208746f8bde13fa348f83450d181e1867805 |
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