MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute malicious content or phish users. The presence of embedded URLs and the structure indicative of a link farm strongly suggest a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160750bc0c4e4a---gigilivodosezo.pdf In PDF document text
- https://istanajpdua.com/contents//files/6592625688.pdfIn PDF document text
- http://bluecars.pl/userfiles/file/92074160390.pdfIn PDF document text
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/24708130782.pdfIn PDF document text
- https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/3k192q9cn09oq7m6e87ssagavp/jubatawogutefa.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/29vviscoamabc8hubuq3lnjjls/67136208882.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e12979a47a---kujoditowuzomege.pdfIn PDF document text
- https://noihoithanhtuan.com/media/ftp/file/57378534692.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c7639c02c1---dimuwipozajafibu.pdfIn PDF document text
- https://art4you.sk/editor_uploads/system/files/rifakixubu.pdfIn PDF document text
- http://colorfulmedia.de/fotki/fotki/file/53456323687.pdfIn PDF document text
- https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/bdee2a3b3970ceb73edbba1348acd057/xojosomixom.pdfIn PDF document text
- http://beiwendq.com//data/attachment/file/3626655569.pdfIn PDF document text
- http://flirtproducties.nl/ckfinder/userfiles/files/80517945527.pdfIn PDF document text
- https://bettyloupaints.com/userfiles/files/majovokatefaze.pdfIn PDF document text
- http://papaicountrylodge-longstay.com/user_img/files/70813908552.pdfIn PDF document text
- http://bruisedreedfoundation.org/clients/4/4d/4d9d7eec3bf3a09fa0457ace138f6a4e/File/54497912180.pdfIn PDF document text
- http://webursitet.org/Files/file/karugijamemaze.pdfIn PDF document text
- https://xn--z4qq44i.xn--kpry57d/upload/actfiles/55714010590.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/d96458b2a089284e1e5a689a14abb935/58614395622.pdfIn PDF document text
- https://dodatnagarancija.com/userfiles/file/jivefamupevegupi.pdfIn PDF document text
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/96749474f3fa0932147009b91d245ced/zusesobonux.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a592808aedd---96021130767.pdfIn PDF document text
- http://muszempilla.com/files/file/54639585992.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=stomach+tightening+at+38+weeksPDF 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_off0000ff37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF37 | 18924 bytes |
SHA-256: dad3c81b371889f1b7a091719de1675463350f7d8545ef95c68ff30ffc0e95c3 |
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font_01_sfnt_off00012ebe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EBE | 11164 bytes |
SHA-256: 7cc4931be0c0a2d7321193821d98184979e48e0f29d7b6a84c30306b453d92b6 |
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font_02_sfnt_off000148ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148CE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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