MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous links to various websites, many of which are hosted on compromised WordPress instances or disposable domains, suggesting a link farm designed to redirect users to potentially malicious content. The presence of multiple unknown URLs and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/d5a07482e2d9e2fe38a18340b45e160a/nivarunalodafenevabom.pdf In PDF document text
- https://aodaixuan.com/app/webroot/upload/image/files/25971761736.pdfIn PDF document text
- http://redemaisfarma.com/userfiles/file/80014451334.pdfIn PDF document text
- http://wsmr.us/userfiles/file/tuzedasinuterunuvo.pdfIn PDF document text
- https://eastoncn.housemember.com/uploads/files/zazafubunokikogetulazap.pdfIn PDF document text
- http://shangrilayunnan.com/ckfinder/userfiles/files/dupekekafojaxukigiguf.pdfIn PDF document text
- http://myphamnanyno.com/luutru/files/97845710044.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e3f32c20f5---wazoriripujorinobo.pdfIn PDF document text
- http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/jofivumivosesexufozanif.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/16138a840e6861---717061232.pdfIn PDF document text
- https://people11people.com/uploads/File/54891040687.pdfIn PDF document text
- http://inspeq.eu/public/files/18413084615.pdfIn PDF document text
- http://shopgraeagle.com/ckeditor/uploads/files/jabodi.pdfIn PDF document text
- http://ldksolar-officialliquidation.com/userfiles/files/9832448406.pdfIn PDF document text
- https://glamweddingdesign.com/userfiles/file/buxevazenalugezo.pdfIn PDF document text
- http://ph-easycome.com/userfiles/file/kajamaleloxuxepomevawa.pdfIn PDF document text
- http://wamer.org/userfiles/file/253594997.pdfIn PDF document text
- http://xn--9i1b14lwsg1seumdzsx.com/upload/fckeditor/file/98298807761.pdfIn PDF document text
- http://bonezi.morefriendship.com/upload/files/juzaxevavotofur.pdfIn PDF document text
- https://glozor.com/userfiles/file/53885004501.pdfIn PDF document text
- https://www.kindspring.org/inc/ckfinder/userfiles/files/wuxafogup.pdfIn PDF document text
- https://eobliecky.sk/userfiles/file/88665727791.pdfIn PDF document text
- http://adimhukuk.com/resimler/files/9441761361.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=install+google+play+services+in+androidPDF 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_off0000af20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF20 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c737.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC737 | 10820 bytes |
SHA-256: b332c54876f8a87069685ae819ce9f11e842bbfb14cc6d4be4f2736f434dc539 |
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font_02_sfnt_off0000e01c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE01C | 15408 bytes |
SHA-256: 9e159dd5385276cc03fbd1533fd129cb36e5cd2b6ec2beda428fc06090ee36f2 |
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