MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting. Heuristics indicate this is a link farm designed to direct users to external sites, consistent with phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 https://philabc.ru/uplcv?utm_term=best+add+free+android+games PDF link annotation
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/repajivimikedudigelo.pdfIn PDF document text
- http://goodtraefarm.com/ckupload/files/linenulakowuwafedixafed.pdfIn PDF document text
- http://mskabel.cz/UserFiles/File/nadagalaja.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/7p9lh07tqk450qujoja7n1s9mv/kowofoxidabivafigal.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/ec846d34c6c2bbaced5ce7e5b124ab7c/fisarifisozur.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145b5a3f3949---71330223693.pdfIn PDF document text
- http://xn----7sbab1bcaqplb0ccyi9d.xn--p1ai/files/file/lesutuvowezik.pdfIn PDF document text
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613df335e9c7e---99227603851.pdfIn PDF document text
- https://santa.my/images/users/00000000/files/junapogetoxosola.pdfIn PDF document text
- http://adwokaci-pila.pl/userfiles/file/diroxep.pdfIn PDF document text
- http://hoanggiaphatland.com/uploads/image/files/xofusijisusefufuwan.pdfIn PDF document text
- https://askisan.com/upload/ckfinder/files/milaxelanefe.pdfIn PDF document text
- http://karpatskiles.ru/store/file/10766205939.pdfIn PDF document text
- http://mistral-paints.cz/userfiles/files/vebopasejesenonasopo.pdfIn PDF document text
- http://murielbellhomes.com/userfiles/files/18195399728.pdfIn PDF document text
- https://kujainspectors.com/candyticket/uploads/page_images/files/53702086440.pdfIn PDF document text
- http://hajnysport.cz/FCK_userfiles/file/39309359175.pdfIn PDF document text
- http://legalinet.eu/userfiles/files/24823971549.pdfIn PDF document text
- https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/31266480624.pdfIn PDF document text
- https://yesilkoyluleriz.biz/resimler/files/zikilejurefagosipuxo.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_off0000e527.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE527 | 17632 bytes |
SHA-256: 0ec9923dc227927d78b67b2117360338a63e60c693db7476211f8d06864fb111 |
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font_01_sfnt_off000112b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112B3 | 10704 bytes |
SHA-256: 8f5635d72d12be107d56d6398f0e2c8a99d196a6d221d7334f36acb2c43f18f0 |
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font_02_sfnt_off00012b15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B15 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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