MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress upload storage or disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the overall structure point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://coretry.ru/uplcv?utm_term=tennis+live+stream+free PDF link annotation
- http://istihdamhaberleri.com/upload/ckfinder/files/mebotozoxukesabedofofad.pdfIn PDF document text
- http://www.mediagrand.hu/data/editorfile/jefavupugidemosi.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/kfdldtdcjkre4rg7e2l1mihmr4/vibemedemuja.pdfIn PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/0300b18c28d97b1d660d5320c065c154/wuliwupafawirefobirake.pdfIn PDF document text
- http://ifaistos.reality.gr/~triantaf/images/file/42222529946.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/4438929c143fe0948fc3980e7ceb83f4/63891700288.pdfIn PDF document text
- https://generalaudit.pl/eurostyl/photos/file/31562701649.pdfIn PDF document text
- https://mexico-airport-transfers.com/ckfinder/userfiles/files/89247920804.pdfIn PDF document text
- http://hichipper.com/hichipper/uploadfile/file/2021090214594873499.pdfIn PDF document text
- http://domuran.pl/files/file/19571594657.pdfIn PDF document text
- http://i-physiology.ru/upload/maxivox.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1613045167ac4c---27454295560.pdfIn PDF document text
- https://it-remarketing.pl/app/webroot/media/files/pawojabekoz.pdfIn PDF document text
- http://surmounttravel.com/userfiles/files/petisugad.pdfIn PDF document text
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/6c299407751ad77479d561dcadd6286d/4467809253.pdfIn PDF document text
- http://1night2day.com/ckupload/files/52459068174.pdfIn PDF document text
- http://ryouhurt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/37143856017.pdfIn PDF document text
- http://ledseoul.com/userData/board/file/786547349.pdfIn PDF document text
- http://www.cerathai.com/image/upload/File/77152627352.pdfIn PDF document text
- https://kubermatkaplay.com/ckfinder/userfiles/files/wabitewojuvivubonuna.pdfIn PDF document text
- http://etabetasurvey.com/userfiles/files/setotuvupamubudiga.pdfIn PDF document text
- http://lachambredechos.com/userfiles/file/72081951163.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_off0000dbda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBDA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f3f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3F1 | 10284 bytes |
SHA-256: 78865f31b91e33bb7508e92ea3ef16e69264d934cb16228443eab5f8403ac0bf |
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font_02_sfnt_off00010b17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B17 | 17688 bytes |
SHA-256: 6746d50b97ebd58e09ecc26c58ab027ac746ce9d731e66b37439fab006dcf0c0 |
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