MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and a machine learning classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many of which point to compromised CMS upload directories, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, and the document body was unreadable, but the heuristic firings strongly indicate a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607b4018d9d5a---wilam.pdf In PDF document text
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/77fb4d0b7105ea1a70e88ffc0455a617/16323719229.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/56e33d3a9888ef85cb901de9e1f2caf1/41514553796.pdfIn PDF document text
- http://www.mbk-montage.nl/ckfinder/userfiles/files/47163420439.pdfIn PDF document text
- http://jshanwoo.com/ckfinder/userfiles/files/383232763.pdfIn PDF document text
- http://maurovalleferroarchitetto.eu/userfiles/files/sozigumolidosafegatufexim.pdfIn PDF document text
- http://newbiesites.com/userfiles/file/pidugakorebiwarukobi.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/utkumqlvokitt867hoegvp8tr2/97944150418.pdfIn PDF document text
- http://motivationandmomentum.net/ci/userfiles/files/baxefagonajex.pdfIn PDF document text
- http://lahma.pl/_u/userfiles/file/89613449932.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094a6b7a0921---wokurulajexi.pdfIn PDF document text
- http://geombiagioschettino.eu/userfiles/files/lakiluduwiloxedit.pdfIn PDF document text
- http://dinskayarealty.ru/media/file/molupuzamup.pdfIn PDF document text
- http://ct-tci.com/cttax/userfiles/files/90937364787.pdfIn PDF document text
- http://eventcompany.org/clients/e/e3/e30ef11cf4efe639fe6592aa37b9cb94/File/35208308021.pdfIn PDF document text
- http://saaretravel.ee/images/file/romebamajokipebuwumupawo.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d8a655b3b3---18573028230.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb20514910f---63368295720.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fe232fc8c11---41073431289.pdfIn PDF document text
- http://risorsaterra.it/userfiles/files/83467070645.pdfIn PDF document text
- http://www.gdchgs.com/admin/img/files/54367215285.pdfIn PDF document text
- http://allseasonsart.com/uploads/fck_uploads/file/litezajepegipamozetexo.pdfIn PDF document text
- http://thanhcongtechtra.com/upload/files/xojibizoxo.pdfIn PDF document text
- http://minhledtran.com/luutru/files/mefupumemizijamafiten.pdfIn PDF document text
- http://cuacuonnhanh.vn/Images_upload/files/mopomesetubafox.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=leadership+and+church+growth+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_off0000c219.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC219 | 10996 bytes |
SHA-256: 2289111e23c45034aa9b04720536d992ceced4fbc39cdd4fd481d8578bf44223 |
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font_01_sfnt_off0000db74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB74 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f386.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF386 | 17428 bytes |
SHA-256: 286606d4c72406d69c72f1aa46f70ea660d63e23cd2de5c92fd357162a2da5ac |
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