MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many embedded URLs pointing to compromised WordPress sites and other disposable hosting. The document body is unreadable, but the structure and URL analysis strongly suggest a phishing or redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9904
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.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161427d96ce0b1---86639442783.pdf In PDF document text
- https://contact-house.com/fckeditor/upload/file/10120169208.pdfIn PDF document text
- http://betonkeritesek.eu/Content/files/65725824967.pdfIn PDF document text
- http://maksimetall.ru/files/26424883654.pdfIn PDF document text
- https://cosonnguyenthanh.vn/webroot/userfiles/files/32470553882.pdfIn PDF document text
- http://zpkprzemysl.pl/ckfinder/userfiles/files/wofejapinevuluredugu.pdfIn PDF document text
- https://nikoljski.com/ckfinder/userfiles/files/4925998248.pdfIn PDF document text
- http://velo.hu/UserFiles/file/5556129708.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1613e008664610---66954518047.pdfIn PDF document text
- http://sostrevalli.it/userfiles/files/35574778264.pdfIn PDF document text
- http://seyrimerdin.com/userfiles/file/zejanag.pdfIn PDF document text
- https://posaonakosovu.com/ckfinder/userfiles/files/20112174714.pdfIn PDF document text
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/1613b2b6b5cdce---11995892593.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/8pr562vg2rlulfq6jst57gu4an/sifegabax.pdfIn PDF document text
- https://decisionstogo.com/fck_image/file/23481807237.pdfIn PDF document text
- https://fotobolfestmeny.hu/mvc/userfiles/file/26562887248.pdfIn PDF document text
- http://vanhacollection.com/images/files/4496278780.pdfIn PDF document text
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614be2a9d393f---bukedejivaxepumifuv.pdfIn PDF document text
- http://ibarugi.com/fckeditor/userfiles/file/tigamotoxusebopoto.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16139175f866ac---lopevoxufetovodotisuzitaw.pdfIn PDF document text
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/161430036cfc9a---22499962022.pdfIn PDF document text
- http://kezmosas.hu/files/file/48671545847.pdfIn PDF document text
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/209298cba039ca366bf1a29858cf4cb9/sonukozubekezexuveno.pdfIn PDF document text
- https://gea99.com/ckfinder/userfiles/files/fudukate.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=trailer+making+app+for+androidPDF 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_off0000d8c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8C6 | 10632 bytes |
SHA-256: 97fa36c9ffabe87968cf23ad4a54177f9cb82f1701b33515870d41143f8f3873 |
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font_01_sfnt_off0000f0c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000108d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108D6 | 17292 bytes |
SHA-256: 53b7065e6c6ae95ced44dedc62a1ffc0b1e971631a91e1f88cb2c36a1b5a93ae |
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