MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating it's a phishing or trojan delivery mechanism. The embedded links, including one pointing to `https://archism.ru/uplcv?utm_term=advantages+of+studying+abroad+essay+pdf`, are designed to redirect users to potentially harmful websites. The presence of numerous links on compromised CMS uploads suggests a link farm used for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://archism.ru/uplcv?utm_term=advantages+of+studying+abroad+essay+pdf PDF link annotation
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9e7ad41d19---rofan.pdfIn PDF document text
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/db848ee9b4ac027581e9f81544a15b00/60966740414.pdfIn PDF document text
- https://topclassgreenery.nl/images/file/dukakugar.pdfIn PDF document text
- http://dorapeyzaj.com/userfiles/file/bolewexon.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/6535f39ce06f1386d2999873456c273d/gisuxelidebajobuwixenixes.pdfIn PDF document text
- https://hkparkkonutlari.com/image/files/33727620006.pdfIn PDF document text
- http://resetimpianti.it/reset/public/file/jixokisefarerum.pdfIn PDF document text
- http://orourkelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/verixuzajote.pdfIn PDF document text
- https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/cb903ced1a26ed3e8d389b824e36378a/86230969900.pdfIn PDF document text
- https://prospr.fr/ckfinder/userfiles/files/majaviraxinapovonabag.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/7b68e286899ba578716dcb61e4559fab/89921215864.pdfIn PDF document text
- http://nationalherbo.com/userfiles/file/13232211644.pdfIn PDF document text
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/d50006f33fea90c27ac5ab0abe0f294e/61525645268.pdfIn PDF document text
- https://essaidafm.com/uploads/FCK_files/file/57206101240.pdfIn PDF document text
- https://vigiweb.cl/dinamicos/files/file/diwirizagajupi.pdfIn PDF document text
- https://www.hippocratio.gr/ckfinder/userfiles/files/vamedulutowof.pdfIn PDF document text
- http://dsagco.com/Upload/file/kujumetig.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/nseo5ssgn25u89rlvrhtpjojj1/zuxekexapowivepisa.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c97dc06384b---zavoxodesonanolewasifeg.pdfIn PDF document text
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/ea3a90566d60244140e9d29298f669c8/wafiwovof.pdfIn PDF document text
- http://silarperu.com/UserFiles/file/95253938638.pdfIn PDF document text
- http://didopack.com/files/rasep.pdfIn PDF document text
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/10c330a32563ff5ae43e900ebd8903ad/gikuxuj.pdfIn PDF document text
- http://dentali.cz/files/files/ronaj.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_off0000edd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDD0 | 20464 bytes |
SHA-256: 76d04a27fa21131a5b7948e0e3700accef7a46412443edcebec67b2da8e3b853 |
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font_01_sfnt_off000122d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122D1 | 11028 bytes |
SHA-256: 8bdaab42ef93a11a5fb2c7f1fdd4a05466ec9f277560951f61417cddb2d41a35 |
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font_02_sfnt_off00013c4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C4A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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