MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites. These links likely serve as lures for phishing attacks or to distribute further malware to unsuspecting users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16135ceeb511e0---mipadunewukuxegedex.pdf In PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/ed7aa4ef6eda6f8197c360b3ff071f9c/74545626983.pdfIn PDF document text
- https://virtrade.gr/userfiles_lybo/file/tufexepex.pdfIn PDF document text
- https://akemi.ro/hirek/file/gifinuwiner.pdfIn PDF document text
- https://espiber.cl/images/uploadedimages/file/76275032819.pdfIn PDF document text
- http://fpole.ru/sadm_files/rutaxifudovadefabesof.pdfIn PDF document text
- https://desco.scp.hr/files/82261638718.pdfIn PDF document text
- https://bititechnika.com/uploads/file/palukozosidawibureliba.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/161448663ef672---59922034388.pdfIn PDF document text
- http://talentfuturesservices.com/sharpinstitute/images/files/18040445440.pdfIn PDF document text
- https://mavachhaiphong.com/upload/files/84632843602.pdfIn PDF document text
- http://dedanskecasinoer.dk/userfiles/file/zozagesuzo.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/161302f8e174ec---funulekuj.pdfIn PDF document text
- http://tfforming.ru/d/files/30491347003.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/e2fcf7187aa54ad64ddc031114ead1a8/sanano.pdfIn PDF document text
- http://www.andreapondika.cz/file/68895712815.pdfIn PDF document text
- https://thegioidongphuc.net/ckfinder/userfiles/files/1316808809.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/16139064f11f41---kidategexumavunedikukepi.pdfIn PDF document text
- http://hani-bee.com/userfiles/files/fumogezojajafepepumikopon.pdfIn PDF document text
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/566a06f2ee12b404365d8ac867d8dc46/1024261976.pdfIn PDF document text
- http://boldogelet.hu/media/53385204132.pdfIn PDF document text
- http://goodfortune.hk/UpLoadFile/file///21561163591.pdfIn PDF document text
- https://gjbuyerbroker.com/userfiles/file/volotixepalebe.pdfIn PDF document text
- https://postele-z-masivu.sk/ckfinder/userfiles/files/tetumimupe.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=sunny+hindustani+singerPDF 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_off0000e1e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1E4 | 10648 bytes |
SHA-256: a02000fc1861082753477a1cf56d53975fca2c7bb3a46ef94ad37c4c22ad3ffa |
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font_01_sfnt_off0000fa0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA0A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001121c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1121C | 18588 bytes |
SHA-256: 8eb6e9b92c14603f82b284ee2f39e7bca12396c7df1c994b3282dac44eccfe01 |
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