MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan distribution attempt. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a link farm designed to redirect users to malicious content. The document body is unreadable, but the heuristics and URLs strongly suggest a phishing or malware delivery scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://crysiq.ru/uplcv?utm_term=avs+fire+app+launcher PDF link annotation
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133421a8c73f---23943111012.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eceac0ae43---xejemoxodoze.pdfIn PDF document text
- http://pb-book.com/user_file/file/8039262157.pdfIn PDF document text
- http://tyros-club.de/userfiles/file/29881955111.pdfIn PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/e70e0637126182bd4b6bdf3d950150f8/89745566571.pdfIn PDF document text
- https://virtualpulse.eu/UserFiles/file/ledirerepifomesalo.pdfIn PDF document text
- https://montpellier-business-plan.com/mbp/upload/images/images/upload/ckfinder/57367141946.pdfIn PDF document text
- http://solis.altrodesign.eu/ckfinder/userfiles/files/tipedufasili.pdfIn PDF document text
- http://queenart.kr/userData/board/file/640907007.pdfIn PDF document text
- https://menu2uplus.com/images/file/nupiwovafoxudus.pdfIn PDF document text
- http://vidol.nl/userfiles/file/90681535768.pdfIn PDF document text
- https://foulardfotografando.it/file/boropilolomogonuvejepad.pdfIn PDF document text
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/161382a28694ee---83601397685.pdfIn PDF document text
- http://varvshistoriska.com/file/1748608733.pdfIn PDF document text
- https://www.cifphosteleriayturismo.es/ckfinder/userfiles/files/vareruxudojumazeko.pdfIn PDF document text
- https://qpshouse.com/upload/image/file/wefulowugoda.pdfIn PDF document text
- http://tomaszskiba.com/userfiles/file/gubebije.pdfIn PDF document text
- http://vo23.ru/upload/file/89488655924.pdfIn PDF document text
- http://pantanalmsnews.com.br/ckfinder/userfiles/files/tawufowa.pdfIn PDF document text
- http://www.texaco.bargiel.com.pl/ckfinder/userfiles/files/37020241372.pdfIn PDF document text
- http://mxag.com/upload/browse/file/70273261243.pdfIn PDF document text
- http://www.yevres.fr/ckfinder/userfiles/files/21933972786.pdfIn PDF document text
- 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_off0000d7fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7FE | 10508 bytes |
SHA-256: b7a5ff3df1f55d5c9360a2791f921d0fd7d8f055873291a2e01c4d7167b53d9b |
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font_01_sfnt_off0000efd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFD7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000107e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107E9 | 16636 bytes |
SHA-256: 56d96e84a13b5b49feea987d316ac01ed94a704ed898fb9b19727bea62931205 |
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