MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute further malware or conduct phishing. While no scripts were directly extracted, the structure and URL findings indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/56ho2pjejhlfd2u1hk7iblff75/70402543062.pdf In PDF document text
- https://catequesisnavarra.org/guiarte_userfiles/files/vojiduzorominawutuxu.pdfIn PDF document text
- https://gites-les-bardots.com/userfiles/file/vajiwufiwugo.pdfIn PDF document text
- http://analogsys.com/uploaded/file/1995572672608e3fc277a5c.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/cec759cdf18d9ec341048339c97cc3ae/pabobirepefumutor.pdfIn PDF document text
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3d86616f64---18524321463.pdfIn PDF document text
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/491096d555a874fe222a9c354330b835/48245044642.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/3378009962.pdfIn PDF document text
- https://burragebrothers.com/demo/jolie/beta/userfiles/files/pesowidazolozedajib.pdfIn PDF document text
- https://eatorhours.org/e-bussiness/fckimages/file/20402756222.pdfIn PDF document text
- https://www.ideaklinikankara.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081c546ceee7---36099911816.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/3110ccad289cd589babaff409d5d6b06/11194961092.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c30252ce1bf---girusowep.pdfIn PDF document text
- https://marljivo.hr/UserFiles/files/54160714252.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160819f2a650b8---60472573194.pdfIn PDF document text
- https://ytdrive.com/CKEdit/upload/files/92642704801.pdfIn PDF document text
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/f49e51f81d0b2434187bd02b2a1870bd/robitazaxobo.pdfIn PDF document text
- https://poolpoint.be/uploads/file/vevuj.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16085a1c62fa94---jafexuxemakabejibeninil.pdfIn PDF document text
- http://vinmexindia.com/uploads/kiwizaxuwux.pdfIn PDF document text
- http://ebsenglish.net/_UploadFile/Images/file/41752686186.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/732a5dbde64d647a7c50ac97af84eea4/32483159496.pdfIn PDF document text
- http://iccj.jp/images/uploads/fckeditor/file/tamebuwiza.pdfIn PDF document text
- https://oddluzanie.net/userfiles/file/46277616682.pdfIn PDF document text
- https://hgb.se/filer/file/36743905649.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/gj19u3v59pnl44csmmb5o5adk1/magedujorulebamudipivef.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=good+morning+thursday+hd+imagesPDF 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_off0000db15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB15 | 10900 bytes |
SHA-256: 33fc2f852023d65e71ce2d773d3c711637f1a00648b9a845055dd1a603607f78 |
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font_01_sfnt_off0000f3f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3F5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010c07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C07 | 17448 bytes |
SHA-256: 065d87cb1537d7f8d90d2e059d84ab8cc9d47c66f6042866c6455c4921f527e6 |
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