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 functions as a link farm, with numerous URLs pointing to potentially compromised WordPress upload directories, suggesting a phishing or malware distribution scheme. The presence of multiple external URIs and link farm heuristics reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a749ade00e9---totofekeg.pdf In PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b88c77d52---miwatewisumivudusimagu.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/16098475298a2b---97647858616.pdfIn PDF document text
- http://pileshoppen.dk/userfiles/file/71441430163.pdfIn PDF document text
- https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/tab7d2vva86gn8lm48c9djhb27/50576615323.pdfIn PDF document text
- https://profitaler.com/UserFiles/file/43701526215.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607584bd6ff2c---fotipirobuvisorebejumepow.pdfIn PDF document text
- http://bociany.sk/media/file/xitukuvaperifejapelivum.pdfIn PDF document text
- http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b8fd156ab6---rejobisoko.pdfIn PDF document text
- http://getem.plfiles/file/mavesebim.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608013088cfef---tawulabuvuzubafe.pdfIn PDF document text
- http://lamekatus.ee/uploads/ckeditor/files/sujipuko.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16116b08f8a490---78294087734.pdfIn PDF document text
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606fff821f83b---valotelebetufirunota.pdfIn PDF document text
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/a457dffb98cfce5e8dd63e3573c83eda/xugiwotarososisog.pdfIn PDF document text
- http://nitexprofi.cz/userfiles/file/sifurutexakikawid.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/2958b129bff528b268499a37c6c344c0/xavimagogopun.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608a497485ddc---69864020210.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/sp99kepvsj5u3c7m42vtgpmj9o/kikobazegi.pdfIn PDF document text
- https://tdemo.order-pro.com/ckfinder/userfiles/files/69885074621.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/dd9d22e1208dc66cfa257984031687ba/baridugijikesumunig.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/5f354db2dfdf45638843cacc49615332/62626550600.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=introduction+to+theoretical+linguistics+by+john+lyons+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_off0000d74b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD74B | 11336 bytes |
SHA-256: acbcb4f8cbac2805767a583dcfd237719dc02d256297cf72a02942de907ab619 |
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font_01_sfnt_off0000f16f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF16F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010981.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10981 | 18036 bytes |
SHA-256: 633d14c305005c4cc0aa8e4a0050923f0bb53c5b1b6d1604c93dcc2aaf7feb22 |
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