MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. Multiple heuristics identified it as a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, while some are benign, also include links to potentially compromised sites, reinforcing the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16141ad7e9fd0f---60864031985.pdf In PDF document text
- http://slovoveri.org/userfiles/47647729531.pdfIn PDF document text
- http://hndgyl.com/v15/Upload/file/2021992042518623.pdfIn PDF document text
- http://tc-muehlacker.de/data/tcmuehlacker/userfiles/file/kapawitusuzoziz.pdfIn PDF document text
- https://dynasty888.com/image/files/20210920_144959.pdfIn PDF document text
- http://valosagoskincsesbanya.com/upload/file/manamam.pdfIn PDF document text
- http://al-bandak.com/userfiles/file/9845914347.pdfIn PDF document text
- http://miydz.com/mingyi/images/userfiles/file/78404016526.pdfIn PDF document text
- https://hobbes-group.com/upload/files/jegibomebeme.pdfIn PDF document text
- http://deaprogettazioni.it/userfiles/files/17094748020.pdfIn PDF document text
- https://homeuu.biz/upload/ckeditor/pages/files/14986359614.pdfIn PDF document text
- http://tornyanggrace.com/upload/file/dubijikanu.pdfIn PDF document text
- http://rkenterprisesonline.com/FCKeditor/file/bixitemusi.pdfIn PDF document text
- http://instit.ac/ckfinder/userfiles/files/62548660368.pdfIn PDF document text
- https://brianhigbielaw.com/UserFiles/file/gamozudul.pdfIn PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/161493da5f131d---fodozolokajovef.pdfIn PDF document text
- http://detskaoptika.cz/ckfinder/userfiles/files/xatomuxuxew.pdfIn PDF document text
- http://express-service-auto.fr/ckeditor/ckfinder/userfiles/files/21137189257.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612f841b19762---xobowizika.pdfIn PDF document text
- https://atlastoursntravels.com/userfiles/file/54566262413.pdfIn PDF document text
- http://scsytech.com/upload/files/78080076281.pdfIn PDF document text
- https://listapp.in/ci/userfiles/files/xajel.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/393655215a5556de296b185e6b7aeda6/bulisegug.pdfIn PDF document text
- http://residencelesaline.it/userfiles/files/40122762859.pdfIn PDF document text
- http://www.valathors.com/ckfinder/userfiles/files/3757596620.pdfIn PDF document text
- http://agriturismolionsfarm.it/userfiles/files/betixifesajokesusepijetub.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=abbas+ak+cellular+and+molecular+immunology+pdfPDF 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_off0000d060.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD060 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e872.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE872 | 20756 bytes |
SHA-256: 03a7ca172ba40713bf88b141507cbd4e856a48079561b96c99b0d8d89bc121a0 |
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font_02_sfnt_off00011e73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E73 | 11292 bytes |
SHA-256: dc9816ff4ad4239155fbca90304f230ebacca14714c8937849b861f4bd205716 |
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