MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF document that contains embedded JavaScript, which is a common technique for delivering malicious payloads. It also features a link farm hosted on disposable domains, with one URL specifically mentioning 'pubg mobile vip hack', suggesting a lure to entice users. The ClamAV detection and ML classifier strongly indicate malicious intent, likely to exploit vulnerabilities or trick users into downloading further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
Heuristics 7
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 http://yas-center.ru/userfiles/file/56187834131.pdf In PDF document text
- https://sgotomotiv.org/upload/files/69795701757.pdfIn PDF document text
- http://spl-designs.com/ckfinder/userfiles/files/lajerinerowes.pdfIn PDF document text
- http://jobsandhi.com/uploaded_files/userfiles/files/9405862663.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613077e46d2f8---52764762969.pdfIn PDF document text
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/1f002fe42678a9e7d7986c78ff90c908/luvonamuteluzawopasux.pdfIn PDF document text
- http://vegman-kzn.com/ckfinder/userfiles/files/wiwak.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f8dcce535f---857449945.pdfIn PDF document text
- https://vadihosting.com/calisma2/files/uploads/kelejigumuniligilu.pdfIn PDF document text
- http://dongphat.net/upload/files/22162015717.pdfIn PDF document text
- https://nikosdimos.gr/userfiles/file/jebebopowejufexiwen.pdfIn PDF document text
- https://eminenceconstruction.ca/viking1/uploads/files/33842953123.pdfIn PDF document text
- http://nutranghongngoc.com/media/ftp/file/70393744876.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144157f26669---xudafumafabopegagolidis.pdfIn PDF document text
- http://xn--80akoseq9f.xn--p1ai/userfiles/file/kovud.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/4evu2uar2kfk8a0eg1vgh86ib7/65377190921.pdfIn PDF document text
- http://adice-area.com/pictures/files/dujebajemawusi.pdfIn PDF document text
- https://tideandtigers.com/ckfinder/userfiles/files/tomapozezemalipewaze.pdfIn PDF document text
- http://valentine.tutaylamhet.com/storage/ckfinder/files/36254813296.pdfIn PDF document text
- http://starma.pl/files/file/42375723686.pdfIn PDF document text
- http://clinivetmadonnadirosa.eu/userfiles/files/borumewozavewaf.pdfIn PDF document text
- http://lerucherdesanges.fr/userfiles/file/zodarajofomeviliz.pdfIn PDF document text
- http://theofficeplus.com/userfiles/file/wefaxozawebeguzelejukupi.pdfIn PDF document text
- http://sasmedm.com/www/js/ckfinder/userfiles/files/gabivudodidoxexomezonebu.pdfIn PDF document text
- http://sgyscom.com/upload_fck/file/2021-9-17/20210917181215266518.pdfIn PDF document text
- https://samsungklimamodelleri.com/upload/ckfinder/files/87228369923.pdfIn PDF document text
- http://uhy-th.com/image/upload/files/sonijig.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=pubg+mobile+vip+hackPDF 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_off0000d93c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD93C | 10748 bytes |
SHA-256: 57627f93c900d95e98a030d6834077c89b392788ac73d726882ce0f35813fa73 |
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font_01_sfnt_off0000f1bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1BB | 21664 bytes |
SHA-256: f5ce5e98ddb14a5e4fd209f7c5c75fcf0ccf7bfb781cc7fac1495eacd191e5ad |
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font_02_sfnt_off00012b53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B53 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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