MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document functions as a link farm, presenting numerous URLs that lead to other PDF files, suggesting a multi-stage download or redirection scheme. The presence of a URL with 'harmony+os+huawei+download+apk' in its query parameters indicates a lure for potentially unwanted or malicious software downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/5d295308864a43a9d0edbc84df80dc1d/xodamuju.pdf In PDF document text
- https://gsacademy.ge/uploads/files/98927528296.pdfIn PDF document text
- https://vietnam-pump.com/userfiles/file/wujosojesepikiduxos.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/67805139120.pdfIn PDF document text
- https://ncltandatbar.com/home/ncltandat/public_html/dowalumniusa/ckfinder/userfiles/files/wazijegowibukiguza.pdfIn PDF document text
- https://redac.ch/upload/mixetuzulexuwapajoxejinej.pdfIn PDF document text
- http://astprom.ru/sites/default/files/file/92308391739.pdfIn PDF document text
- http://joyerialaplaza.com/ckfinder/userfiles/files/xozisofo.pdfIn PDF document text
- http://demkapi.com/resimler/files/fupenur.pdfIn PDF document text
- https://leonardscopysystems.com/home/leonards/public_html/ckfinder/userfiles/files/6675906039.pdfIn PDF document text
- https://semot.com/Store/userfiles/file/51567185851.pdfIn PDF document text
- https://zlato-eu.cz/upload/files/niwole.pdfIn PDF document text
- https://pasationtravellers.com/root/FCKeditor/file/99641741816.pdfIn PDF document text
- http://ancheng-medical.com/uploadfile/files/79054104007.pdfIn PDF document text
- http://studiolaviano.it/userfiles/files/nebokodewobifenogukonefeb.pdfIn PDF document text
- https://imotrading.com/images/userfiles/rebubugibodaz.pdfIn PDF document text
- http://pallenberg-busreisen.de/uploads/files/madezini.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/28ebbb82e54d6cc2160e40ac5ca6bebb/14330066491.pdfIn PDF document text
- http://manchetenewsms.com.br/ckfinder/userfiles/files/kedunurew.pdfIn PDF document text
- https://www.cylinder96.ru/admin/ckfinder/userfiles/files/vikojasonuporezenado.pdfIn PDF document text
- http://www.kickcommerce.com/userfiles/file/96171137068.pdfIn PDF document text
- http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/10638075387.pdfIn PDF document text
- https://zoldlaptop.hu/ckfinder/userfiles/files/32947652289.pdfIn PDF document text
- http://xboxheerlen.nl/userfiles/file/litekiri.pdfIn PDF document text
- http://urparitet.ru/admin/ckfinder/userfiles/files/93361214235.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=harmony+os+huawei+download+apkPDF 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_off0000db22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB22 | 19948 bytes |
SHA-256: a5505775e95b2c5b3e0236876c4de549139f00c953f91ffe74fe059e57f72550 |
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font_01_sfnt_off00010f65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F65 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001277c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1277C | 10940 bytes |
SHA-256: 3ae195b54e564754d9b1785ab94a740a3323aa508e6b022afd0ce59f1a116760 |
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