MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded URLs are the primary indicators of compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://catamma.ru/uplcv?utm_term=human+bioenergy+pdf PDF link annotation
- http://chi-kara.net/userfiles/file/nolenesewinujopegetaz.pdfIn PDF document text
- http://haumeaonline.com/userfiles/file/jisufixuxebavuwizesegobo.pdfIn PDF document text
- http://nutronicltd.com/userfiles/file/xugaxasudigamulomezopufod.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160907484e61bb---bevuwujufubetijowufozajiz.pdfIn PDF document text
- https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/74a579712404f6490722cf501d26274a/xasajajogeviwamewo.pdfIn PDF document text
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/161069912992a0---kufaxo.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a78f02a6f4b---3970163206.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160cbdf1e1f98d---dufenukitilutaviriwetu.pdfIn PDF document text
- http://modernplating.com/userfiles/file/xoxirugaditusizu.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098c1ab51402---nalukepir.pdfIn PDF document text
- http://massarentearchitettura.com/userfiles/files/zetuxirumorozuzixanovejux.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160edf269e7eb7---38012881493.pdfIn PDF document text
- http://magogaralbamoble.com/galeria/files/7830965769.pdfIn PDF document text
- http://carszana.com/image/upload/File/88273599227.pdfIn PDF document text
- https://ringid.vn/ckfinder/userfiles/files/suwobodilefawororojemumuv.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608db8803ad24---15252351774.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606db9eacc1ea---51899679428.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b31520565ba---wufogube.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/5jfs7r4qvkllf9k9pv48r1uo77/82697745560.pdfIn PDF document text
- http://gsmontaggi.it/userfiles/files/44549081582.pdfIn PDF document text
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/uojj4389f949g69hsfkh13alt7/rajobosif.pdfIn PDF document text
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160931557846eb---debuvilokajubolawiderijex.pdfIn PDF document text
- http://22743333.com/userfiles/files/5271149311.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_off0000e9cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9CC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000101de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101DE | 19068 bytes |
SHA-256: 717d835c1889a2638978362d94a596279eeb00314d6f25fb282aa25d55b7bacd |
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font_02_sfnt_off000132dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132DD | 10872 bytes |
SHA-256: 30e1500a8a2e47aa54841935f7c7e276e852bc691c3ead722f4dca323a920297 |
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