MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the presence of many unknown URLs point towards a malicious document designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9901
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://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/7ed0fe47b891fee8fb2e1ad2c4f945e5/48117530055.pdf
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16102de87e0e9d---85029690222.pdf
- http://jongauger.com/ckfinder/userfiles/files/kagowivirawawikinuwu.pdf
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ff7285c2994---53957320656.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdeca6d4375---sivawazizirotativemizufar.pdf
- https://asharfilalkulfi.com/ckfinder/userfiles/files/komoxoxabupavofoxo.pdf
- http://mg001.cn/upload_fck/file/2021-5-8/20210508073659393120.pdf
- http://myhomeinparis.com/userfiles/files/nazubu.pdf
- https://aravlicraft.com/cmsCart//upload/file/xekakubefetufejulovemofa.pdf
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/ec6fbee58bbf9279bb304424ef5f9d87/xudoki.pdf
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16085490bb6ab1---fowipisu.pdf
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b03ac814fb5---67238889929.pdf
- https://manualismedicina.hu/fileok/file/1598534202.pdf
- https://rmp-familienanzeigen.de/cms/files/watemobiwaf.pdf
- http://hamandeggsclub.com/clients/e/ee/ee862789ee8b59d3f3d22261ccc35c80/File/56055165339.pdf
- http://andrewsexes.org/clients/867461/File/93456719917.pdf
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/1f9a269519b2b01eb1caf634978f0c02/gamigubu.pdf
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b740bd3e8e6---fubafe.pdf
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607df7694e9af---kavabukemixaxi.pdf
- https://asiajitu.com/contents//files/19813586046.pdf
- http://rlangkhan.com/upload/userfiles/files/68284520679.pdf
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f0002a336a---fofusuwekem.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160d1f589c204a---95527557154.pdf
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609c76496f705---69791930519.pdf
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160adcf0a658ff---35395534480.pdf
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c43a1d77331---sixuk.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=scholastic+success+with+reading+comprehension+grade+4+pdf
- 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_off00016b81.bin2cf81fd38929cbffae624be28ad1d8b6185639bd29efa2dac3df8b8e5651210e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16B81 | 17704 bytes |
font_01_sfnt_off00019965.bin1caab62ce0c4856a722dd5c44bd0a5318aa969d093e43d1869087fd819196417 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19965 | 11408 bytes |
font_02_sfnt_off0001b407.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B407 | 16792 bytes |
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