MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to redirect users to malicious content. The presence of these links and the overall detection suggest an attempt to deliver a secondary payload or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/7d1bd6e2dae6e252755b61d86e158ab8/rojoro.pdf In PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/76a86ab494fac388cde13cdd9e2b4118/47786522277.pdfIn PDF document text
- http://webhenevents.com/clients/868374/File/fibekamiv.pdfIn PDF document text
- http://pivotal-technologies.com/userfiles/file/jewixoketun.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607432d23a27b---33478130865.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/he4n80dj5kce2k6rm64n7h1i91/55541955855.pdfIn PDF document text
- http://dush-kz.ru/uploads/fck/file/zujifijubetejalawomima.pdfIn PDF document text
- http://anhbanglaw.com/userfiles/file/diboroduniw.pdfIn PDF document text
- http://lookkorea.net/userfiles/file/69103942802.pdfIn PDF document text
- http://pechati-piter.ru/userfiles/file/6016881757.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6e92a543f---pavuvelubufetitogofu.pdfIn PDF document text
- http://koszyczarek.pl/userfiles/file/mitivitibapod.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/f6aab35f698629175a1cc0bd0ba627db/sanezokexudijudalexaxuva.pdfIn PDF document text
- https://kis-u.com/page_data/file/20210628023629.pdfIn PDF document text
- https://digireg.ru/upload/16944826672.pdfIn PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160929408b01da---97973569990.pdfIn PDF document text
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/i77rkcltkuqjfdt3ihuqfq420r/8890605072.pdfIn PDF document text
- http://zuche0551.com/upload/file/mawipe.pdfIn PDF document text
- http://swaving-stalinrichting.nl/ckfinder/userfiles/files/61261899480.pdfIn PDF document text
- https://nenanhduong.vn/Upload/files/fevorefoxodoge.pdfIn PDF document text
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c873e93310d---zatanaveludipuvoxijen.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/ec20eec2508005e6551fe7a12176c147/844803527.pdfIn PDF document text
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160aba6f153830---72536710021.pdfIn PDF document text
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/bi0p5hu9gjan83pq4uv3c7ngqt/zigizezipo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=lab+safety+worksheet+high+school+answersPDF 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_off0000e798.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE798 | 11004 bytes |
SHA-256: 0c49076115ba1951c3c7e33e49b91cc1eb07fba0430c497ee41841f44e4e95c3 |
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font_01_sfnt_off00010149.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10149 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001195b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1195B | 16976 bytes |
SHA-256: e815477a9dee9740efe3b84f47e200466112732e59d62bf1eb4339ab97945567 |
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