MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The presence of these link farms and the overall detection indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://huntic.ru/uplcv?utm_term=madness+project+nexus+flash+game PDF link annotation
- https://epponline.com/mentorfinancial/page_images/file/zijuguf.pdfIn PDF document text
- http://billedbutikken.dk/articlefiles/file/52287303807.pdfIn PDF document text
- http://fukaofoods.tw/uploads/files/202109281138294869.pdfIn PDF document text
- http://sieuthibongda.net/ckfinder/userfiles/files/26902608847.pdfIn PDF document text
- https://eksiliotomotiv.com/upload/ckfinder/files/70787118261.pdfIn PDF document text
- https://proetcontra.hu/userfiles/file/70425658056.pdfIn PDF document text
- http://air-con.ru/upload/files/wadufidoxadefabip.pdfIn PDF document text
- http://apsara.ru/userfiles/file/82049397527.pdfIn PDF document text
- http://immobilieninvestors.net/userfiles/file/73298739006.pdfIn PDF document text
- https://kysig.com/app/webroot/userfiles/files/44165191066.pdfIn PDF document text
- http://www.galiantsolutions.com/emailimages/file/30160915964.pdfIn PDF document text
- http://hiro-seiko.com/upload/files/7042834795.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/96fab100df2d63db82e85ee834e74c3f/mulekifidujosemotul.pdfIn PDF document text
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/b5e7d6f6cf5aa399f1e8f4ee4b5d024d/luwux.pdfIn PDF document text
- http://sz-nuoyi.com/Upload/file/2021090116175368635.pdfIn PDF document text
- http://mextro.de/upload/files/48027680721.pdfIn PDF document text
- http://kpdb.org/userfiles/files/71534149793.pdfIn PDF document text
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16146e23fafdaa---5680906505.pdfIn PDF document text
- http://galenbio.com/images/upload/file/jamafekob.pdfIn PDF document text
- https://harmony.im/userfiles/file/76617452861.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16152bb632b14a---3385050294.pdfIn PDF document text
- http://seteo-dechets.com/images/file/sawuwi.pdfIn PDF document text
- http://senvietsystem.com/ckeditor/upload/files/42469974573.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_off0000bf06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF06 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d71d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD71D | 11300 bytes |
SHA-256: 668b04ca90ab27d90d3ae13ec1e50461c94c1c26829a38fc9d81f83f54cb2410 |
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font_02_sfnt_off0000f14e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF14E | 22508 bytes |
SHA-256: 99b6afa58974dce3f28e687b7e8ddc7c2d7c0dcca2782d46389611e019c86e12 |
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