MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF document identified as malicious by ClamAV and an ML classifier. It contains numerous URLs, many of which point to compromised WordPress sites, suggesting a link farm designed to redirect users. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this. While no scripts were explicitly extracted, the nature of the URLs and the PDF structure indicate a likely attempt to lure users to malicious sites, potentially for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d64755d5fe2---95983504619.pdf In PDF document text
- https://www.apollopowersystems.com/wp-content/plugins/super-forms/uploads/php/files/55f32e2e7286fd235ecdf472b8f51a61/kenepijolawagedazegu.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16075327ae95a4---varotuzirulijixulitam.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb4aff148c---7075860172.pdfIn PDF document text
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/707e1ffc7aeccebd85c1a86e5661c47b/20132166104.pdfIn PDF document text
- https://ckmandarin.com/uploads/61134138304.pdfIn PDF document text
- http://abwrosedale.com/uploads/files/kevuvitid.pdfIn PDF document text
- https://europartner2.pl/uploads/gatokurudofunixugipekur.pdfIn PDF document text
- http://kimandyoo.com/userfiles/file/soziwolusapariwoguwuxe.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160afcc3aec38b---4735433833.pdfIn PDF document text
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/rr640eahkv16f6vlh4e3oma0pv/24318996626.pdfIn PDF document text
- http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c5796998a6---dezidinutaledun.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/l2a2utk5vrc3vgkhko62nvv985/36209292648.pdfIn PDF document text
- https://haysalon.com/public_html/userfiles/file/17247567780.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a773848ea02---labijosuzuvimam.pdfIn PDF document text
- https://pendekaremas.com/contents//files/9709991305.pdfIn PDF document text
- https://etonbio.com/newsLetters/images/file/20913573460.pdfIn PDF document text
- https://audit-advisers.com/userfiles/file/81243175385.pdfIn PDF document text
- http://circolosilverblufitnessclub.eu/userfiles/files/95492276961.pdfIn PDF document text
- http://acudrved.com/ckfinder/userfiles/files/lisudabujetunuwavesug.pdfIn PDF document text
- https://heks-tech.com/app/webroot/userfiles/files/19987845934.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1612aa8f46bc75---pivem.pdfIn PDF document text
- https://fier-forjat-valimet.ro/ckfinder/userfiles/files/5936251174.pdfIn PDF document text
- http://abbeytraining.net/userfiles/file/5792261927.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9824ae02a7---zezem.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=philadelphia+story+movie+script+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_off0000fddb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDDB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000115f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115F2 | 10960 bytes |
SHA-256: e803148a6d79b3186d087c32c3e94bfe16338f03df300e474a71dee1bfbeef5c |
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font_02_sfnt_off00012f66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F66 | 19200 bytes |
SHA-256: e44184b289c1ac0214789df836182c1d1af4f28ad94af57041bbcce56f599b40 |
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