MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous external links, many of which point to compromised websites or link farms, suggesting a phishing or spam campaign. The file's structure and the presence of embedded URLs indicate it's designed to redirect users to potentially harmful external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9902
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://chcial.ru/uplcv?utm_term=mitolog%C3%ADa+egipcia+esposa+de+osiris PDF link annotation
- http://bharatdarshan.net/rgroup/ckfinder/userfiles/files/79471556927.pdfIn PDF document text
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/8f5e550d438b22ffc788e4235a226d31/zenajedaxasimupabanogaxaw.pdfIn PDF document text
- http://1utilaje.ro/mm/file/xebesidupufubirogi.pdfIn PDF document text
- http://expertcomptablecourreges.fr/michel_courreges/userfiles/file/moforamonarakid.pdfIn PDF document text
- http://wjvanderheidedienstverlening.nl/uploads/file/wegebasivikifurevotipomu.pdfIn PDF document text
- https://karpzbeldowa.pl/uploads/userfiles/files/78139741238.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4bec154894---6546714165.pdfIn PDF document text
- http://porpora.biz/imagenes/imagenes_contenidos///48654915214.pdfIn PDF document text
- https://jkmart.net/FCKFiles/File/9915571430.pdfIn PDF document text
- https://baohohoanglong.com/userfiles/file/poman.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/91b910af077b10a7e994fca684269ab9/wozafarase.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160efd40eab173---12000445584.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/83d61edce2cebf82710c97fb9e92e60f/patosifenoxofitomam.pdfIn PDF document text
- https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/108bca35f08ab91d4fc12bdda0b0a212/rimaregunokaridokoz.pdfIn PDF document text
- https://tort-art.ru/userfiles/file/13294102452.pdfIn PDF document text
- http://health-bridge.in/upload/file/57164231471.pdfIn PDF document text
- https://actorconseil.com/files/file/fesos.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16119ab13d431a---bugefu.pdfIn PDF document text
- http://nhakhoasaigonkimcuong.com/uploads/images/files/4614477657.pdfIn PDF document text
- http://www.puhito.hu/uploads/rexuve.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1608c219d9603a---24275936221.pdfIn PDF document text
- http://sibleyestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vamuwemegujuronaxusakuza.pdfIn PDF document text
- http://smflow.in/admin/uploads/file/43389535884.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bb990a96806---21742981316.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609d14081d20f---80924409011.pdfIn PDF document text
- http://perles-del-beya.com/userfiles/file/59138287626.pdfIn PDF document text
- https://birotex.rs/images/files/totep.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_off0000e67c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE67C | 17204 bytes |
SHA-256: b2ff6647841561fac6f2998208c97af97d195a76dcbd97b3d23e6bca759a22c7 |
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font_01_sfnt_off00011213.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11213 | 10640 bytes |
SHA-256: 5ba7300e2a3c79936b016728bc3049ba8c5334c13edfdfda2d0495a1e73a5bef |
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font_02_sfnt_off00012a53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A53 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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