MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of numerous external URIs, many pointing to disposable hosting and acting as link farms, suggests a phishing or malware distribution scheme. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically highlights the nature of these links, which are likely used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9930
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://laborke.ru/uplcv?utm_term=superhero+city+apk+mod PDF link annotation
- http://chickenwild.com/upload/contents/images/images/82621185956.pdfIn PDF document text
- http://americasbestwingsbeltsville.com/uploads/files/53270950786.pdfIn PDF document text
- http://hyundaidongdo3s.com/images/files/gatixobopamavibimig.pdfIn PDF document text
- http://vouchertiket.com/airplane/ckeditor/uploads/files/revajobifuwuwivasimado.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bd3aba18d1---vidabukilotokiziwijuxe.pdfIn PDF document text
- https://angem.fr/userfiles/file/3610827444.pdfIn PDF document text
- https://reazfarah.com/ckfinder/userfiles/files/25460610487.pdfIn PDF document text
- http://ingpiazza.eu/userfiles/files/fupolitezagi.pdfIn PDF document text
- https://ddtoyz.com/ckfinder/userfiles/files/jemekorozazafopeneram.pdfIn PDF document text
- http://rotarybrescello.it/userfiles/files/93601635360.pdfIn PDF document text
- https://marmetal.cevhertemizlik.com/userfiles/files/5823672913.pdfIn PDF document text
- https://www.khaosanpools.org/ckfinder/userfiles/files/81410620345.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/161374b157d92e---3513993477.pdfIn PDF document text
- https://armature.ir/cache/fck_files/file/59583385387.pdfIn PDF document text
- http://sanzmendia.com/userfiles/files/97395528820.pdfIn PDF document text
- https://ajambary.com/userfiles/file/75722896991.pdfIn PDF document text
- http://elsped.hu/files/file/mefubo.pdfIn PDF document text
- http://to-tuong.com/media/ckfinder/files/roferu.pdfIn PDF document text
- https://dampinggame.com/calisma2/files/uploads/8281939466.pdfIn PDF document text
- http://www.companyforte.com/imagenes/editor/file/42397202941.pdfIn PDF document text
- http://arredamenticucinesiciliane.it/userfiles/files/xewivogimupejisega.pdfIn PDF document text
- http://reelproductionshd.com/userfiles/file/vowidaz.pdfIn PDF document text
- http://viorina-deko.com/images/file/58197648367.pdfIn PDF document text
- http://xhzhengli.com/upload/79343264108.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off00013183.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x13183 | 18576 bytes |
SHA-256: 1884f829f0dd3c2e17575785082cdebc93f3a5f4585286069834f8acd92f6043 |
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font_00_sfnt_off0000de47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE47 | 10840 bytes |
SHA-256: 8cd94e923d41815bae85cad450b0cb8a3ae4667bcb19a963a48d0863dbac0540 |
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font_01_sfnt_off0000f75d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF75D | 22204 bytes |
SHA-256: 972d6ffcf932007390edc690419add092da31ff266885ddb20a51e13578abacd |
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font_03_sfnt_off00014f3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F3C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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