MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm hosted on multiple compromised websites, directing users to download a 'terraria game launcher'. The ML classifier and ClamAV detection strongly indicate malicious intent, likely a phishing or malware distribution lure. The presence of numerous links on compromised CMS upload storage suggests an attempt to obscure the true origin of the malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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 http://studiolaviano.it/userfiles/files/68106239817.pdf In PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/161147c909318b---36520270155.pdfIn PDF document text
- http://sistersaviopublicschool.com/userfiles/file/88274713834.pdfIn PDF document text
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/f4946a785687a95fce1d146b7fa0a822/99901087982.pdfIn PDF document text
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a620096ae---70907651733.pdfIn PDF document text
- http://universalthailand.com/images/uploads/ckfinder/files/73644877368.pdfIn PDF document text
- https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/551261099071c030c3eba9d4affe2efa/1063818884.pdfIn PDF document text
- http://sjatupornservices.com/file_media/file_image/file/23461783827.pdfIn PDF document text
- https://mma-montessori.com/admin/ckfinder/userfiles/files/garadupuxuridazida.pdfIn PDF document text
- https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/l3ls5do73bq508cj7glvq4mlh5/62766155176.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b83b6e35e15---modofujowaxolez.pdfIn PDF document text
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/5b8ff27df557c15cc57dd065287421b1/gaxofukok.pdfIn PDF document text
- http://chinalanpa.com/images/upload/File/kusetivowumarufaneze.pdfIn PDF document text
- http://sl-light.ru/design/img/upload/file/mobumutetilulimorusizur.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160782fac54fd5---suwabaxi.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad28ac7df5---nilofobusumuve.pdfIn PDF document text
- http://findusafranchise.com/files/files/97180693756.pdfIn PDF document text
- http://pspectr.ru/userfiles/file/ninaxonuwenugaga.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/b2f16bf502ae1d5cb8d0f3fadda39466/65102748991.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/kibukuzoki.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/06b890241af53e590340b94105eee4ea/rofipagigudofuvujipo.pdfIn PDF document text
- https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/cf7671f18eebd0d43d8aebe2ade5293d/90130823748.pdfIn PDF document text
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ec9ecc8dae9---76178139633.pdfIn PDF document text
- http://didocrosby.com/imagenes/file/vabomibukedekus.pdfIn PDF document text
- http://fixafilm.se/userfiles/file/71907268984.pdfIn PDF document text
- http://eksan-ltd.com/userfiles/file/82952240228.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=terraria+game+launcher+downloadPDF 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_off0000ea04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA04 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010216.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10216 | 18068 bytes |
SHA-256: 6234264b7a548c81d3d947956eddb5b141eac10999e516351094da32dedbc1ca |
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font_02_sfnt_off00012ff4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FF4 | 10700 bytes |
SHA-256: a0af494c94b43fc4a19f36c5f1f844610590c6053c9b44db1e779ea2e2609375 |
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