MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised websites and potentially disposable hosting. The embedded URLs, despite some being marked benign, are part of a larger pattern of malicious redirection, likely intended to facilitate phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16077c2b3359ef---pexoliribatupimanojusupaz.pdf In PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609edf938684b---67251758807.pdfIn PDF document text
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/ukhiinn183rt5jf6no5ql08j4g/21046639087.pdfIn PDF document text
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609034874c22c---17478315337.pdfIn PDF document text
- http://quaint-house.com/sonifodofifevuto.pdfIn PDF document text
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1609c061df07e7---8284992888.pdfIn PDF document text
- http://wsystem.sk/userfiles/files/54898072210.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607943a18761a---revosizosezapojup.pdfIn PDF document text
- https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/2ce8eda2d5588b6341934930261391e0/4054971469.pdfIn PDF document text
- http://kenzoum.org/home/integrity/public_html/ckfinder/userfiles/files/13906790372.pdfIn PDF document text
- http://hzbmsj.net/images/upload/File/68813994936.pdfIn PDF document text
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084a831885ea---40426086845.pdfIn PDF document text
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/hdvs8da8lrarikeqpoj9gh28r8/30045439707.pdfIn PDF document text
- https://agrilaui.com/userfiles/file/jidijoxewasarasitixosaxan.pdfIn PDF document text
- http://planetamama.ru/files/file/3064956378.pdfIn PDF document text
- http://bet-balance.com/userfiles/file/14392028393.pdfIn PDF document text
- http://davidlbrooks.com/clients/868292/File/vigofewinutibul.pdfIn PDF document text
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/22297eb2daccb4f259c0a1f384c852e1/44107669864.pdfIn PDF document text
- https://goez3.com/10005001208290177/ckfinder/userfiles/files/julubugusazosukawiga.pdfIn PDF document text
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160b0c2581762a---punaturokowegubafu.pdfIn PDF document text
- http://innotec-industrie.be/userfiles/file/24375146056.pdfIn PDF document text
- http://goldenpoolandsauna.com/user_img/files/betupixasivitivajosojil.pdfIn PDF document text
- https://jesssmithtri.com/jesssmith/ckfinder/userfiles/files/95510696923.pdfIn PDF document text
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1fcf034f59---derisobafafabol.pdfIn PDF document text
- https://balaji-technology.com/userfiles/file/925329030.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/tkm8cdhl6egsg5b2199vpi1955/67109478648.pdfIn PDF document text
- http://scard.vn/app/webroot/uploads/files/12637506429.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=public+goods+and+services+worksheetPDF 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_off0000e8cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8CF | 18236 bytes |
SHA-256: c30c95d644375e6fb180099fc7647f823e35d7c10ffb4ac3f22e5f8690ab65a1 |
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font_01_sfnt_off00011884.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11884 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001309b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1309B | 11132 bytes |
SHA-256: 9b9ae99f25378c3f16c78479a9485a3c6d12b0394a8646462927ee55276c9aa6 |
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