MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites. These links likely serve as a lure to redirect users to phishing pages or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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://markeishahall.com/wp-content/plugins/super-forms/uploads/php/files/d9bc2620e7cce22d1f767850cc294a02/71305925699.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608134bc6cba9---59591000194.pdf
- http://gintaras.cz/userfiles/file/4067094763.pdf
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/9a35c3977630b6f94fadd78bf22c4608/kulikozozovazutok.pdf
- http://kcde.kr/userfiles/file/48896221845.pdf
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad4d6805671---bibokududuxidolobub.pdf
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/59097bfb52033d0a06d9ed8529c04031/difamavizuniruteminafu.pdf
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/e87ifnie4abc59qffso3c3shck/65995343736.pdf
- http://1975geegees.com/clients/78603/File/66746801426.pdf
- http://bonfiremadigan.com/uploads/fckeditor/file/nifepojebevilagare.pdf
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/8a506aefb1a635375c7a52ac9733553f/dufes.pdf
- http://xn--dlek-5qa.com/admin/UserFiles/file/18008118230.pdf
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b87744b5844---zusevu.pdf
- http://deauville.ru/files/file/7662740087.pdf
- https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/3644a0d982fb9538f30e158d4e3aeee5/89854032493.pdf
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079b15c6d63a---92407546752.pdf
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c72a61fbdc---merenu.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a866c10f88c---biwamojelutib.pdf
- http://blpest.com/UserFiles/file/77390430318.pdf
- http://songiadahoaian.com/upload/ck/files/kipenedazow.pdf
- https://ctapigroup3.com/contents//files/vudirizupofip.pdf
- https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2cc9499859---97703917318.pdf
- https://remoteworkerclub.com/wp-content/plugins/super-forms/uploads/php/files/96efb5bf3eec7283aad377e37edb85d0/34967482200.pdf
- https://rzfmuhasebe.com/userfiles/file/fetonotedotowozimolan.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=all+powerful+all+glorious+hillsong
- 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_off000187ba.binfdbf9da5f5b189780df5b62d180882f01f667d04a5ad00b15d6d4e989eff4e14 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x187BA | 10704 bytes |
font_01_sfnt_off0001a04d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A04D | 16792 bytes |
font_02_sfnt_off0001b85f.bin90428344ba29d84c22b4cc79a787966d6b12b15c9b2d42185309e2dd904bcdbb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B85F | 17132 bytes |
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