MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous external URLs, many pointing to PDF files on disposable hosting, suggests a link farm designed to redirect users to potentially malicious content. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic specifically highlights the suspicious nature of these links.
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://nomylo.ru/uplcv?utm_term=how+to+tie+a+bedsheet+toga PDF link annotation
- http://chaitraglaze.com/uploads/73581168075.pdfIn PDF document text
- https://senegal4d.com/contents/files/lozurar.pdfIn PDF document text
- https://888nv.ru/userfiles/file/12601691236.pdfIn PDF document text
- http://radioevangilereal.com/assets/ckfinder/core/connector/php/uploads/files/91285503537.pdfIn PDF document text
- http://qcfloor.com/userfiles/file/41417876651.pdfIn PDF document text
- https://tbsva.org/Upload/files/20210903040509.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613033223ed81---68366988266.pdfIn PDF document text
- http://mrspk.com/ckfinder/userfiles/files/28163817232.pdfIn PDF document text
- https://oncallanatomist.com/ckfinder/userfiles/files/zuxizugizi.pdfIn PDF document text
- https://roofmed.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161410a9501a1b---mefiwefegetovifakikopuj.pdfIn PDF document text
- https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/zazewetivuwodaferuwemo.pdfIn PDF document text
- https://purefeeling8.com/data/file/48004064638.pdfIn PDF document text
- https://sdudyogtechnologies.in/ckfinder/userfiles/files/vawuvozu.pdfIn PDF document text
- http://eternaseguros.net/files/files/nowojopixo.pdfIn PDF document text
- http://wlpp.net/images/blog/file/rotogopujuludiso.pdfIn PDF document text
- https://brawlcall.com/ckfinder/userfiles/files/watudopuwan.pdfIn PDF document text
- http://matraholding.hu/images/userfiles/files/38089595235.pdfIn PDF document text
- http://winkeleninzundert.nl/uploadimages/files/46128171919.pdfIn PDF document text
- http://studiocastigli.eu/userfiles/files/14630838600.pdfIn PDF document text
- http://thangmayedex.com/webroot/img/files/86487073089.pdfIn PDF document text
- http://ballmillfactory.com/d/files/movoxawerededogiz.pdfIn PDF document text
- http://aguito.madteam.net/ckfinder/userfiles/files/38000474780.pdfIn PDF document text
- http://mutitar.com/user_img/files/lewajuzodawekepilu.pdfIn PDF document text
- https://tectrongim.com/uploads/files/wifonen.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_off0000e1b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1B8 | 18948 bytes |
SHA-256: bda8c77d5db589f477eb8a1329217c036b07570106edc186a44477981d490987 |
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font_01_sfnt_off0001131d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1131D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012b34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B34 | 10496 bytes |
SHA-256: 9be9bd16912b1f8c23c59994eb26b091f0796759b7e3fea5ec35e30a991ce9e8 |
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