MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, with one heuristic identifying it as a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and the overall structure point towards an attempt to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://archism.ru/uplcv?utm_term=8k+video+player+for+android PDF link annotation
- http://perksys.com/userfiles/file/salifubeteroruxiguwez.pdfIn PDF document text
- https://mgrenginiai.lt/ckfinder/userfiles/files/64784162846.pdfIn PDF document text
- https://samuelben-horin.com/userfiles/file/82326014537.pdfIn PDF document text
- https://musikkursus.dk/userfiles/file/dupabafuzetulajaf.pdfIn PDF document text
- http://bbhshipyard.com/userfiles/file/55849173347.pdfIn PDF document text
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/4b8efc61bf290dd0c4b397249a4ed8b2/30550891641.pdfIn PDF document text
- http://koala-al.com/d/files/nilirekatafeludaxeduro.pdfIn PDF document text
- http://interno-kazan.ru/upload/files/14206331428.pdfIn PDF document text
- http://dienmaythanglong.org/uploads/files/24965260226.pdfIn PDF document text
- http://bodybybodyology.com/ckfinder/userfiles/files/lewufavulatasasuvogefozu.pdfIn PDF document text
- http://thanhtindesign.vn/uploads/image/files/jozalimetenejosalusivu.pdfIn PDF document text
- http://markaz-e-durood.com/EditorImages/file/85082086820.pdfIn PDF document text
- https://mobilieroccasion.fr/uploads/file/kujuxemepanumugoxisete.pdfIn PDF document text
- http://watdoenwevandaag.nl/upload/gupaxowarenuzuwiw.pdfIn PDF document text
- http://siciny.pl/userfiles/file/xazetax.pdfIn PDF document text
- http://beijingxinzhi.com/userfiles/file/20210909221936_585655165.pdfIn PDF document text
- http://baliretreatcenter.com/olabali_ci/media/images/newsfiles/13591437899.pdfIn PDF document text
- https://dermatologie-chamonix.com/userfiles/file/14705275561.pdfIn PDF document text
- http://borneneskontor-landsforening.dk/userfiles/file/bebedunijida.pdfIn PDF document text
- http://chocoenglish.com/_UploadFile/Images/file/2789715267.pdfIn PDF document text
- http://thuephotocopytaihanoi.com/upload/files/50324220121.pdfIn PDF document text
- http://retrolondontees.com/userfiles/file/95248123602.pdfIn PDF document text
- http://087334211.kad.tw/kads/ckfinder/userfiles/files/pedafekivebugowal.pdfIn PDF document text
- http://xn--9d0b102a6wc3y4a.com/sa_upload/userfiles/file/20210902101136.pdfIn PDF document text
- http://robwalker.net/fckupload/file/riposedibunulesat.pdfIn PDF document text
- http://louisiana-arts.org.s150269.gridserver.com/siteuploads/editorimg/file/lipamipimisolizovez.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_off0000de57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE57 | 18148 bytes |
SHA-256: 72e754b5278f922e18019fa4460230a4576c01f26d3e23f5ed1f2f83c17e4e24 |
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font_01_sfnt_off00010d0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D0C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012523.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12523 | 10608 bytes |
SHA-256: 0c528b693727695064b7fdc9c8560781166b5a57f7f96715ffecfe69a93ea1a4 |
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