MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests the document is designed as a link farm, pointing to numerous distinct hosts. The embedded URLs, such as https://wastran.ru/uplcv?utm_term=monkey+jar+android, likely serve as lures for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://wastran.ru/uplcv?utm_term=monkey+jar+android PDF link annotation
- https://picinterior.com/ckfinder/userfiles/files/34604657690.pdfIn PDF document text
- https://consurs.ro/ckfinder/userfiles/files/49250126165.pdfIn PDF document text
- http://tienphat.vn/imagesflashupload/file/25804907373.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/161322d151ac65---lirudazilodibekunafo.pdfIn PDF document text
- https://alice-immo.com/userfiles/file/lesuxuxetumiziw.pdfIn PDF document text
- https://ibextrail.com/editor-images/serewagebizaxif.pdfIn PDF document text
- http://taiwan-casters.com/userfiles/file/ponukamasiriseno.pdfIn PDF document text
- https://travelone.ae/userfiles/files/gaxevizujupomilizodeka.pdfIn PDF document text
- http://walosports.cl/userfiles/file/31197770360.pdfIn PDF document text
- http://soc-in.com/data/media/files/fetilonisivorubiwezelurem.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613083a5e107c---81120649302.pdfIn PDF document text
- http://studiorumeo.it/userfiles/files/mesovedupanaragemaz.pdfIn PDF document text
- http://vectorma.ru/uploads/assets/file/xirizefosuxegus.pdfIn PDF document text
- https://leo.tw/upload/ckeditor/files/bofoko.pdfIn PDF document text
- http://poaglasses.com/uploads/files/202109052344138947.pdfIn PDF document text
- http://kingtonkatsu.com/uploads/files/xunile.pdfIn PDF document text
- http://scbczy.cn/up_files/file/20210901_102801.pdfIn PDF document text
- https://www.asoriofrio.org/ckfinder/userfiles/files/dugepovikosikutepuvo.pdfIn PDF document text
- https://hargagila.com/uploads/image/files/89731348285.pdfIn PDF document text
- https://chmelo.hu/sites/default/files/file/rimepavotoxebusojudiw.pdfIn PDF document text
- http://zlhk.ru/upload_picture/file/39066728040.pdfIn PDF document text
- https://j26clean.com/upload/files/72894871025.pdfIn PDF document text
- http://dunakeszi.varosom.hu/userfiles/files/4072275117.pdfIn PDF document text
- http://highlevel.pl/userfiles/file/zeruwofazafutij.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_off0000d3cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3CF | 10256 bytes |
SHA-256: 77e9df012adc9e2bdb789ba3e20963e315704667b61bd58db9a5bcaf634dd5c4 |
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font_01_sfnt_off0000eaea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAEA | 17164 bytes |
SHA-256: fe862b926383d7e0c8feae17b053fc0e698939227f65bba306de1cd94620ea32 |
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font_02_sfnt_off0001181b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1181B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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