MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a link farm hosted on compromised WordPress sites, with one URL specifically mentioning 'download fallout shelter online apk'. This suggests a phishing or social engineering attack aimed at tricking users into downloading a file. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 6
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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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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://inwebjor.ru/uplcv?utm_term=download+fallout+shelter+online+apk PDF link annotation
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16135aede6d840---98890620122.pdfIn PDF document text
- https://interference.ajoda.eu/userfiles/files/noladopi.pdfIn PDF document text
- https://gbagencement.fr/uploads/file/zetixilerumudijoxopi.pdfIn PDF document text
- https://ifbscalidad.eus/files/galeria/files/remobabuzajowusadatiw.pdfIn PDF document text
- http://gzperson.com/uploadfile/files/rixugubidof.pdfIn PDF document text
- http://nikolalepojevic5.com/multimedia/file/79988637727.pdfIn PDF document text
- http://yuanyoujie.vip/userfiles/file/nuwilato.pdfIn PDF document text
- http://etkindenetim.com/resimler/files/vexidixobubevapa.pdfIn PDF document text
- http://mfo-fond.ru/ckeditor/ckfinder/userfiles/Images/files/14951504759.pdfIn PDF document text
- http://productinfo.in/konadnew/userfiles/file/viduviromiviseroj.pdfIn PDF document text
- http://ylpcl.com/ckfinder/userfiles/files/40074600606.pdfIn PDF document text
- http://cheniou.handysociality.com/upload/files/segulumixasuzufurazax.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16137dfac7ca86---sudejukupuzokobek.pdfIn PDF document text
- https://123natura.com/stockages/files/20934679497.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/hbq80l03cqpoc26uhgdegkjf0m/wemipusadujumafovadi.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/161365231c2f1f---99344590359.pdfIn PDF document text
- https://simorgh.it/uploads/file/duwasuzi.pdfIn PDF document text
- http://prime42.ru/userfiles/files/68585352132.pdfIn PDF document text
- https://fsreloading.com/userfiles/files/ritibujekifuvuwujaz.pdfIn PDF document text
- http://xingyeknitting.com/userfiles/files/gazutowusabinimeke.pdfIn PDF document text
- http://wjcopy.com/upload/files/95672341538.pdfIn PDF document text
- https://mihalex.by/files/files/51335895590.pdfIn PDF document text
- https://zabulgaria.org/userfiles/file/73362892330.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_off0000d9ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9EF | 10872 bytes |
SHA-256: d405b703390d900ff49bd9e455edd1691a00f5ebaf584b8d7c68e06b0e9921a5 |
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font_01_sfnt_off0000f312.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF312 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010b24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B24 | 17296 bytes |
SHA-256: efa6a6803d6fb186ca769f599e9571b5d2157e6c7ce9efa471a74a98bddf1f13 |
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