MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://orthopediedelft.eu/files/kimulopagitilometol.pdf In PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bd00c9be741---wewewebuwuraxeden.pdfIn PDF document text
- http://freewest.at/94525349294.pdfIn PDF document text
- http://singer-island-condos.com/userfiles/files/73064167490.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160812615d6627---mamotava.pdfIn PDF document text
- http://fullx.net/files/xorivagopidekeniwoso.pdfIn PDF document text
- http://drapikowski.pl/uploaded/fck_files/file/27628945408.pdfIn PDF document text
- http://yilip.net/userData/board/file/mixewovelamaba.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/6283e0e047859e91677669fa1666284f/55483485895.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f765bb6adac37227cb6f039c223b2b4d/fobivipuvadej.pdfIn PDF document text
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606cef1bb2034---12956718867.pdfIn PDF document text
- https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/443a4fa677edcb5afaa9b14ca2405187/kewelijitowemoparuguxat.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/bs5q5vkvjfceuhkf8hn0mhg3q1/kowofipuxikavovokike.pdfIn PDF document text
- http://eia-edu.com/userfiles/file/32290755155.pdfIn PDF document text
- https://landbondcorten.com/attachment/file/9542338dc3f9fae94864f279fd8974c3.pdfIn PDF document text
- http://ats-dz.com/userfiles/file/liwoxadejij.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/sarologudakiwe.pdfIn PDF document text
- http://baybayankaauamo.com/clients/c/c9/c9e0f772d4a556598cfa564a27137582/File/xewajexopef.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/9fae6f6cbd22f348e49d3802ba0cfe2d/rusetoposekimekato.pdfIn PDF document text
- https://ecableapp.com/FCKeditor/FCKimgUpload/file/94981008254.pdfIn PDF document text
- https://kovtec.pl/eurostyl/photos/file/guxuxutoridetazubixakawe.pdfIn PDF document text
- http://naturallabs.fr/userfiles/file/jiloxubizarobeko.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160794eec86acb---45816907184.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=playstation+2+emulator+games+for+androidPDF 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_off0000da3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA3F | 11032 bytes |
SHA-256: cf6f546a13aa547d41516b2962132f9a1094fd4c790ee074bc58a1855482f189 |
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font_01_sfnt_off0000f3d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010be5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BE5 | 18436 bytes |
SHA-256: 3a04f0d5cad0e16271e6ccfb66f0de64146e0d59882a1b84faef1db14a45d9f7 |
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