MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous URLs, many of which are hosted on compromised CMS uploads or disposable domains. This structure is indicative of a phishing or malware distribution campaign, aiming to lure users to malicious sites. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://pro-elec.ru/ckfinder/userfiles/files/59378284544.pdf In PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/af4e6280d19c017b2697885f4ed91ce4/13379335193.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/db3904b60aa65170556143d8d2b28c7d/sarorodosukukalive.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9c0f75d55---nevijuduxemogirim.pdfIn PDF document text
- http://3xlove.com/uploadfile/file/duruzafopafabajujukoxu.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607228d19aee1---759025587.pdfIn PDF document text
- https://mldom.xyz/web/img/podborky/files/33277471233.pdfIn PDF document text
- http://kursadowicz.pl/Upload/file/95809527576.pdfIn PDF document text
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606fdfbda5372---23803066645.pdfIn PDF document text
- https://fasaac.org/temp//files/kedejekokopimowa.pdfIn PDF document text
- http://jonesfamilygathering.com/clients/2/28/28a2af4908f4fae7f70f8b91082c1e08/File/nofijaxanatawaralatexi.pdfIn PDF document text
- http://pspectr.ru/userfiles/file/51653344690.pdfIn PDF document text
- https://recrut.com/files/files/limokemazapajomepewiko.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/b215af6146e6dcae4224511bdffbc732/resofazojewunetugavi.pdfIn PDF document text
- http://bakoca.hu/files/file/39756486155.pdfIn PDF document text
- http://pomodorolennep.de/gfx/userfiles/files/28873748064.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/aded449b1dd4472606e0d7b742b5c921/zogagapeta.pdfIn PDF document text
- http://webhenevents.com/clients/868374/File/jovojodojibepusofanujunu.pdfIn PDF document text
- http://keacg.com/upload/files/37911969014.pdfIn PDF document text
- http://ciarajewellery.com/editor_upload/file/difajogukovape.pdfIn PDF document text
- http://myconnect-thailand.com/image/upload/File/gajabidaz.pdfIn PDF document text
- http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/68543156326.pdfIn PDF document text
- http://www.farnostbobrova.cz/ckfinder/files/15453358637.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160aacc9fea872---55631849686.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=nfpa+hazardous+area+classification+pdfPDF 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_off0000e17f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE17F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f996.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF996 | 10852 bytes |
SHA-256: 67a4ade7174d7922fea9cb1aa002a8c24bc8422acc8ce6f02058cb61fb9ed782 |
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font_02_sfnt_off00011297.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11297 | 16836 bytes |
SHA-256: 9b4e71d5737c2aa9952be3c88159fc6300f0a7d0a98d85a8c4b223518a366409 |
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