MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs and is identified as a link farm on disposable hosting, suggesting it's used to redirect users to potentially harmful websites. The presence of embedded URLs further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 5
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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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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=react+native+wifi+manager PDF link annotation
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/7a54773384af28ff0f072271987f83b6/fidurewu.pdfIn PDF document text
- http://ibtaker.ps/userfiles/file/81658298013.pdfIn PDF document text
- https://liepasmuiza.lv/userfiles/library/momudigavetif.pdfIn PDF document text
- https://habibitours.com/ckfinder/userfiles/files/tokekiduposupulufutefom.pdfIn PDF document text
- https://newshieldinsurance.com/demo/gsa/final/images/file/dofalozukerosobesu.pdfIn PDF document text
- http://purplebyanki-com.bvirani.com/ckfinder/userfiles/files/duzabanadefomiwekotanas.pdfIn PDF document text
- http://altaprecision.com/userfiles/file/4741695147.pdfIn PDF document text
- http://puebloexec.com/userfiles/file/26389734797.pdfIn PDF document text
- http://daltan.hu/userfiles/file/ravugupoginojo.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/161341c7145235---73757655150.pdfIn PDF document text
- http://eng.sut.ac.th/tce/2016/administrator/ckfinder/userfiles/files/luvubagofisiwulama.pdfIn PDF document text
- http://dietetyka-24.pl/images/files/72270164699.pdfIn PDF document text
- https://jjpremiers.com/files/vifujunuvo.pdfIn PDF document text
- https://walkandsmile.com/userfiles/file/demude.pdfIn PDF document text
- https://3rproject.eu/ckfinder/userfiles/files/92206279812.pdfIn PDF document text
- https://ensegun2.com/ckfinder/userfiles/files/4479333806.pdfIn PDF document text
- http://beveragesgs.com/userfiles/file/jujuketop.pdfIn PDF document text
- https://istanajpdua.com/contents/files/90377662519.pdfIn PDF document text
- http://soles2walk.cz/data/file/vekuvogelazikojoxegu.pdfIn PDF document text
- https://myparrotfood.com/user_files/files/21410420250.pdfIn PDF document text
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/57123002042.pdfIn PDF document text
- http://ottotech.center/userfiles/file/86053928243.pdfIn PDF document text
- https://sibois.eu/userfiles/file/13222911739.pdfIn PDF document text
- http://ettermanenterprises.com/ckfinder/userfiles/files/13148962427.pdfIn PDF document text
- http://designklasse.de/ckfinder/userfiles/files/26842714232.pdfIn PDF document text
- http://yao-cheng.com/uploadfiles/20210906092651.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_off0000cb59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB59 | 10540 bytes |
SHA-256: f1ce8412c1730cbb8cd4cd376bae7fb7f13246ab698dea0d18f6b069a29b5b4b |
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font_01_sfnt_off0000e361.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE361 | 17952 bytes |
SHA-256: d4951b849a0e1152a9cd8e88a06f5550b1ea3cbc6abc6b100e51d8398f15d813 |
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font_02_sfnt_off000112a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112A0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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