MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating it functions as a link farm. Several extracted URLs point to compromised WordPress upload directories, suggesting a potential phishing or malware distribution scheme. The PDF structure and link farm behavior align with common tactics for luring users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 http://bluecars.pl/userfiles/file/64605379679.pdf In PDF document text
- https://bomando.bomsolar.com/uploadfiles/files/kixiso.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/7c52108a25ac3e9097fc7bfcfac6d56c/nujapepumavubiwotebebi.pdfIn PDF document text
- http://www.humillacionyestrella.org/ckfinder/userfiles/files/95245141253.pdfIn PDF document text
- https://malinaionescu.ro/userfiles/file/54508790737.pdfIn PDF document text
- http://german-ex.com/images/blog/file/77276418830.pdfIn PDF document text
- http://weilandensemble.nl/ckfinder/userfiles/files/80966067200.pdfIn PDF document text
- http://retailcop.ca/files/foduzezigowipara.pdfIn PDF document text
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161330ed0020ba---92308169796.pdfIn PDF document text
- https://angkorphotographyguide.com/userfiles/file/23733669437.pdfIn PDF document text
- https://simpangkanan.com/contents/files/10042492977.pdfIn PDF document text
- http://aptekadc.pl/userfiles/userfile/72459891166.pdfIn PDF document text
- https://joebalogh.ro/imagini_ws/modujupegorogusigoxeror.pdfIn PDF document text
- https://gkia.org/kingkong/userfiles/files/lelowuvu.pdfIn PDF document text
- https://profesa.net/userFilesfile/57262247588.pdfIn PDF document text
- https://pointswestliving.com/ckfinder/userfiles/files/84884080441.pdfIn PDF document text
- http://tamlaproject.com/userData/board/file/96574642283.pdfIn PDF document text
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/fc54618b173546346ee4637ff08e235f/fiburumubitowinela.pdfIn PDF document text
- http://transcash.com/ci/userfiles/files/luriviwowe.pdfIn PDF document text
- http://ccswcd.com/userfiles/file/21024847986.pdfIn PDF document text
- https://www.mppoa.cloudlinesystems.com/assets/ckfinder/userfiles/files/62127266235.pdfIn PDF document text
- https://spacio.hk/attachment/file/sowonaluvibi.pdfIn PDF document text
- http://miyagi.chi-kara.net/Upload/files/kaluvu.pdfIn PDF document text
- http://kangmeideyiliao.com/uploadfile/file///2021090823262115.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=android+development+sample+projectsPDF 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_off0000d4ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4AD | 17624 bytes |
SHA-256: bb09afb14e0e87d2d35a0ca546efff9e75dcf0b57c6c9ce295f1de912a87e938 |
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font_01_sfnt_off0001021f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1021F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011a36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A36 | 10852 bytes |
SHA-256: 634e0d5c2f0df3712b2950e97a637d6a55cda3c6457039212bdd1eb1a0ea4071 |
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