MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The ML classifier and ClamAV detection strongly indicate maliciousness. The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting a phishing or spam campaign designed to drive traffic to potentially malicious content. The presence of a link farm on disposable hosting further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://icmasistemas.com/userfiles/files/kuvisuxitijukozifuxere.pdf In PDF document text
- https://brod-plovdiv.com/images/85105984992.pdfIn PDF document text
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/8svn2ddo4bihr96n48g22dh60d/fosirobu.pdfIn PDF document text
- http://monkey-do.net/userfiles/file/89411360384.pdfIn PDF document text
- https://ajwatravel.com/wheelmarine/userfiles/file/14966740638.pdfIn PDF document text
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f631a872f4---33932337891.pdfIn PDF document text
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1609662c383c22---41573531701.pdfIn PDF document text
- https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/e78dacfaead88ef53f77ffd255af4781/zutipid.pdfIn PDF document text
- http://homenet-spb.ru/userfiles/file/99971573491.pdfIn PDF document text
- http://globaltruthmediagroup.com/clients/a/aa/aa8380eac451876ae6ab993bf3a720d6/File/15478412229.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/56f6715a438fd3dbb809b82001f007ce/jugerojigere.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/35452223c3b4850cc54d1de516f92b66/35384774201.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1606d543aa400c---sikato.pdfIn PDF document text
- https://zoldlepes.hu/userfiles/file/xudefoxedipegosigot.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160768d908c4d1---60880426234.pdfIn PDF document text
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607c400f06409---3852974423.pdfIn PDF document text
- http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607e39c9b7fd4---89128939615.pdfIn PDF document text
- http://carriewoodfamily.com/clients/5/5b/5b9f2fb360c4065436fb7fe1267c3612/File/nusutibatepagirogitopuno.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/llegqluq5nbp0jj06g5tiffte1/94893760395.pdfIn PDF document text
- http://alliusie.com/userfiles/file/28510849896.pdfIn PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/hjh325l9mec3dgaomfvsnb85vl/88981124659.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/82f3818856bfdab5a86a74aa0a9f22f3/49455618081.pdfIn PDF document text
- https://topclassgardening.nl/images/file/vurunitidunugexisexanixat.pdfIn PDF document text
- https://bbpartner.cz/userfiles/file/galirejazowolonunanar.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=dibujos+de+pap%C3%A1+noel+para+colorear+e+imprimirPDF 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_off0000ff28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF28 | 17652 bytes |
SHA-256: 3ee24b17e5ca4aa3c621fb05c89ec162cc2d18932b12b275845e2ec2c71d7257 |
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font_01_sfnt_off00012b94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B94 | 11128 bytes |
SHA-256: eef840bcebb932714b2ccc036ba2f7967067d960419dda5dff13523f8300a20f |
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font_02_sfnt_off000144d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144D9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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