MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous external URIs and link farms pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of multiple suspicious URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://laborke.ru/uplcv?utm_term=best+pdf+editor+for+android+phone PDF link annotation
- http://dispensapertutti.com/userfiles/files/fozirenamazar.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/ad46c42d3772c4f5a75d80f15df92da1/dexisudojutadamufi.pdfIn PDF document text
- http://ridendo.cz/files/file/fukenonem.pdfIn PDF document text
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/09386fff8b46a4f9e14c1625528563e9/xalijiv.pdfIn PDF document text
- https://bachson.net/upload/file/mixadaparedafufexi.pdfIn PDF document text
- https://davidfauquemberg.com/home/fauquemb/david/bbdg_site/userfiles/file/dufelunupevasuxi.pdfIn PDF document text
- http://interstyle.org/content/xuploadimages/file/63747137804.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/detesabelilon.pdfIn PDF document text
- http://bright-mineral.com/uploadfile/file/2021061710280183.pdfIn PDF document text
- http://weilandensemble.nl/ckfinder/userfiles/files/kozivexetetipi.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a91ea9e68e2---24731357289.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/s5c3k8v44d27ohostqchv06g6k/50326336600.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ffb3d85408---nizenedaw.pdfIn PDF document text
- https://plasy.com/uploads/file/31695984967.pdfIn PDF document text
- http://ferramentabelleggia.it/public/file/sunejivakadekebenexide.pdfIn PDF document text
- https://callmarkinvestments.fortunekenya.com/callmark/files/46079078698.pdfIn PDF document text
- https://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/f93c6ff4f5ea4b750156e66378acdcf9/xenegobotilojakupob.pdfIn PDF document text
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/5d0b047e20f242c3a3a7809825819e7b/detiredofigananojunun.pdfIn PDF document text
- https://studiorampinelli.com/file/kamuguzukejawosawe.pdfIn PDF document text
- https://asiarsolutions.com/userfiles/file/lobimuro.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_off0000e683.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE683 | 10600 bytes |
SHA-256: a4ba0f55194d9a8d6b95951f0a8e8b54050acd0e0919d13671e991e96180cb89 |
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font_01_sfnt_off0000feab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEAB | 18384 bytes |
SHA-256: 31fc3d97754bd7019c5d01e8c4b5eea5b8e1a4f9bfb22d6453d72d9062873c3e |
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font_02_sfnt_off00012e9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E9F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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