MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised WordPress sites. These links are likely used to distribute further malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160bd539dc2c0a---fawalakibulalenavaporew.pdf In PDF document text
- https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/6492707c131551e2d4640ef13cacf2c5/patit.pdfIn PDF document text
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160bd098bd8bfb---wutiz.pdfIn PDF document text
- http://kondicionery-dolgoprudny.ru/upload_picture/file/gunumiregepovozosowuxi.pdfIn PDF document text
- http://www.yoko-ono.be/images/userfiles/file/gebuxenulij.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160ac760bc6694---21066524410.pdfIn PDF document text
- https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/59jb5goh766ir7pr83iv14s1at/favuwofaneke.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/a6931ba6de9649c6aa36a7c06ee0cb5d/dobal.pdfIn PDF document text
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd6bc12c2f3---60393681111.pdfIn PDF document text
- https://arnetbilgisayar.com/upload/ckfinder/files/lisolofilufopezirazug.pdfIn PDF document text
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/f3dc76b587362e183c55646196c6801a/54766106267.pdfIn PDF document text
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/722f3af2de23418bd67e6120a8551ae2/kotisagofebaxizapeteg.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3a2875dfd0---86846924099.pdfIn PDF document text
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca8452fd93---karotaxata.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b096aee0121---78479968861.pdfIn PDF document text
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/abd53a0ec9dcb5f92760ad5e6761d70b/97694520337.pdfIn PDF document text
- https://ezokniga.com/uploads/file/69761971446.pdfIn PDF document text
- https://wumusk.com/asset/uploads/files/vukot.pdfIn PDF document text
- http://jcbcharpentebois.com/ressource/site-image/files/13041454870.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/pabo1mc0b4gjnvtpbdq05ktk8o/68472105089.pdfIn PDF document text
- http://sweetbasketsbyjackie.com/clients/864293/File/vijumezogutekemugoder.pdfIn PDF document text
- http://smepil.com/ckeditor/userfiles/files/mexuj.pdfIn PDF document text
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607857d18c07c---26578334854.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608ef73985e69---78607397377.pdfIn PDF document text
- http://maslag.eu/userfiles/file/bofizuz.pdfIn PDF document text
- http://www.brickchamber.com/ckfinder/userfiles/files/voxedemorofitunonerew.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=meaning+of+the+word+attestPDF 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_off0000c390.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC390 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dba2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBA2 | 17072 bytes |
SHA-256: 6a684661f16a5f1364a3533f6263d654b65689cad299746a65181def2cf781aa |
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font_02_sfnt_off000107c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107C0 | 10668 bytes |
SHA-256: d448fac1aeeb431bd8df21b3e8d2b42372397ede41f647cb1f4ccf0e7db5104e |
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