MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1190 Exploit Public-Facing Application
The file was detected as malicious by ClamAV and an ML classifier. Heuristics indicate it is a link farm pointing to multiple compromised WordPress sites, likely serving malicious PDFs. The URLs suggest a phishing or malware distribution campaign leveraging vulnerable plugins on these sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/47omd1jehg8mnlsl7n3iu1i4ie/gifawoda.pdf In PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160756390aeb11---togakisalexawugowisov.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/7nfsiohi9eddgl502umf9ftmi1/40230710807.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce47c3ff22---73510407427.pdfIn PDF document text
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/n29sc5bsf1lfcorvu7jvg2td74/62371754854.pdfIn PDF document text
- http://zulassungsservice4you.de/bilder/file/xuwibif.pdfIn PDF document text
- https://mmszke.hu/files/file/8000264245.pdfIn PDF document text
- http://debden.org/userfiles/file/gimuxinebavobeselomofuvi.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/ce6c57f993ad0c42cf8276af6669b26e/85313093156.pdfIn PDF document text
- http://hongshengfish.com/uploadfiles/2021060902560893755.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/44n6r7377naj1lo6eok96o0e55/36911174035.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/fmh96vr6h6e7gpibr9cf9i8omb/98170161730.pdfIn PDF document text
- http://wang023spa.com/userfiles/202106file/2021062216004270554.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/0f36c6923bcbbd2571803acd13758a3c/saluvivekuxasudibapo.pdfIn PDF document text
- http://angelcabrera.com/FCKfiles/file/88313223932.pdfIn PDF document text
- https://walkandsmile.com/userfiles/file/tekixujedisujurulemumega.pdfIn PDF document text
- http://dancedynamicsla.com/clients/38740/File/93082295824.pdfIn PDF document text
- http://biaikatolikus.hu/files/file/8430554097.pdfIn PDF document text
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/17bf81fb3192fcb425f5e60dce4d88b4/8450199894.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/6fa5b57b775dcf11c19126ef0cf9cc03/92220945130.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fc82356822---28434127057.pdfIn PDF document text
- http://xycrusher.com/d/files/59238532580.pdfIn PDF document text
- http://abwcolley.com/uploads/files/63528165442.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=gallivant+out+of+the+palacePDF 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_off0000f759.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF759 | 10516 bytes |
SHA-256: 72a732f28545e629f804296efe581d795d3c059d552409728a1be9aaa38ef500 |
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font_01_sfnt_off00010f42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F42 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012754.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12754 | 17632 bytes |
SHA-256: 6db0677afaef3e1eb67dead38e61787d6d3e0f1b1594c17f203bf99fd39e59ab |
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