MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF that contains numerous links to external websites, many of which are hosted on compromised CMS platforms. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for these links, suggesting an attempt to distribute malicious content or phishing lures. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' further supports the malicious nature of this document, likely serving as a lure for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072c60679041---korupef.pdf
- https://used-machinetools.ro/app/webroot/files/userfiles/files/jaxatiwugolasidijax.pdf
- https://abofahed.com/userfiles/file/kigukiped.pdf
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/p4a4550cjc9rac672ihcvv5tbv/xutexaxulurubu.pdf
- http://qtjdb.com/UploadFile/2021/05/18/file/20210518_113049_172.pdf
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160724ae066a63---kebibobope.pdf
- http://konditsionery-zheleznodorozhnyi.ru/upload_picture/file/26018748406.pdf
- http://matsusushionline.com/uploads/files/58732244961.pdf
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/jp2sj3ie12n7626oh758e9bgbn/dafidiwanojofekitiri.pdf
- https://art-eria.pl/mandarynka/pliki/files/81901883967.pdf
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ffc11ab1f8---51750436829.pdf
- http://espressoperfetto.nl/app/webroot/files/userfiles/files/nujawizobowezibupok.pdf
- http://clarksville.net/wysiwygfiles/file/74297613438.pdf
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e40be2edec84343ad454a86e0a04d8bb/5387662289.pdf
- http://foto-klub.dk/userfiles/file/61533582279.pdf
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/c8cc687f5cdbecad62544018f2caab82/baleforego.pdf
- http://gryfarmerskie.pl/pliki_wyswig/files/xotugisapopogo.pdf
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160804b8f8130c---51568260618.pdf
- http://akinmedical.com/uploads/file/69475065132.pdf
- http://hzbmsj.net/images/upload/File/86639238950.pdf
- https://anup.bo/images/files/dekijasuvafolatekur.pdf
- http://yilip.net/userData/board/file/nukasepiwusi.pdf
- http://sakaryakasaplarodasi.org/userfiles/file/danide.pdf
- http://agendatourvietnam.com/hinhanh/file/66102606010.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=pdf+to+excel+converter+crack+software+free+download
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d6f2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6F2 | 16792 bytes |
font_01_sfnt_off0000ef04.bin17ede7e025ef5f69008ec1afef4d78e1665f164971a69018642f267a7afd4ade |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF04 | 16908 bytes |
font_02_sfnt_off00011aa2.bin2800e32b2925d96325a8222dea92c62be67ce173aa558ef8fc12f6a6f48ac2d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AA2 | 10724 bytes |
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