MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The document contains a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution attempt. The embedded URLs and the nature of the heuristics strongly indicate a malicious intent to redirect users to potentially harmful sites.
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.de.ruben.pl/ckfinder/userfiles/files/88575358543.pdf In PDF document text
- https://bibliotheque.ville.deux-montagnes.qc.ca/ckfinder/userfiles/files/jasowatiw.pdfIn PDF document text
- http://xahscw.com/userfiles/file/68730961704.pdfIn PDF document text
- http://ohana1bbq.com/uploads/files/nemujodamumur.pdfIn PDF document text
- http://lixupeng.com/uploads/files/luwiwezowopezu.pdfIn PDF document text
- https://xn--interpeas-r6a.es/upload/files/tesosudowev.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/5j04eg4muqcgnuiqsv36lfcin6/bikiposi.pdfIn PDF document text
- http://hanstime.com/userData/board/file/86704136102.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/1a4fe779128b0e71ddb83d31270f0c0d/30599791505.pdfIn PDF document text
- http://mega-gold.com/userfiles/files/37645313847.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134f3b52efaf---fimuvite.pdfIn PDF document text
- https://elperrocallejero.info/ckfinder/files/4840718517.pdfIn PDF document text
- http://hai-bi.com/uploads/files/202109101231491821.pdfIn PDF document text
- https://godparents4tz.org/home/god/public_html/ckfinder/userfiles/files/19540324764.pdfIn PDF document text
- https://maturana.cl/upload/file/xixexuzugow.pdfIn PDF document text
- https://big-affaires.com/img/pics/files/pinafegedakafenaladuba.pdfIn PDF document text
- http://pizzeriagiganti.ro/imagini_ws/72489632233.pdfIn PDF document text
- http://ky-auto.com/uploadfile/files/71008650987.pdfIn PDF document text
- http://metall-press.ru/files/85333981649.pdfIn PDF document text
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/1613d51a67f232---86497563020.pdfIn PDF document text
- http://gazosilikatnn.ru/uploads/files/69592831379.pdfIn PDF document text
- http://sdes.in/uploads/23620338256.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=quick+thoughts+android+apkPDF 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_off0000d759.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD759 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF70 | 10864 bytes |
SHA-256: 915066604f147c2918725429c94f5a9c2c39b18c602d599ea62b9d3190a520a5 |
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font_02_sfnt_off00010861.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10861 | 18844 bytes |
SHA-256: 22a8835753d317b4130b5505f751e2f7007e120669875a410dfdf04c83089c6a |
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