MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised or disposable domains, suggesting a phishing or malware distribution scheme. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, indicating the document is part of a link farm designed to attract traffic through SEO manipulation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://irlanc.ru/uplcv?utm_term=nova+atualiza%C3%A7%C3%A3o+azbox+bravissimo+twin+transformado+2019 PDF link annotation
- http://cleangroupbd.com/ck/upload/files/wepekimadizunidoduleka.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160753187ec11d---16811963358.pdfIn PDF document text
- http://darstin.com/userfiles/files/vojekenobomitawujalejada.pdfIn PDF document text
- http://klefmarken.se/upload/file/bugitedokojaza.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098b356728f5---98503359799.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c637a95b7b9---buwisegenuvajusuma.pdfIn PDF document text
- http://195exim.com/datas/files/xapemififegipumimave.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8949f0cea9---lanudojom.pdfIn PDF document text
- https://digireg.sk/upload/22085546558.pdfIn PDF document text
- http://ylpqzl.com/ckfinder/userfiles/files/resoxim.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/c03cc7bdd9eb301bc2fada82f9e9b619/13185666553.pdfIn PDF document text
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a38270ad5f7---navojojogirevenoxogevajaw.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a172bd5c51---89342033716.pdfIn PDF document text
- http://cottoneauto.it/userfiles/files/letanu.pdfIn PDF document text
- http://limeitec.com/upfiles/editor/files/41969855230.pdfIn PDF document text
- http://kingcraftviet.com/uploads/ckfinder/files/darobagenubezafizaman.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/4el33gv6p3rvhd2tn8c54ujsn4/poxixerodo.pdfIn PDF document text
- https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/1608f22f2ccd26---21798446015.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079b741531f7---35010420404.pdfIn PDF document text
- http://susutour.com/userfile/file/61326247618.pdfIn PDF document text
- http://srub-servis.ru/userfiles/file/gimutol.pdfIn PDF document text
- http://coimbra.hu/uploads/ckfinder/userfiles/files/55540405370.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/83cfbdab178d3a5e5324f4866071f677/tuvetisabotopujanedesu.pdfIn PDF document text
- http://cmrivestimenti.com/userfiles/files/xitosejarifu.pdfIn PDF document text
- http://kfnmsz.com/upfolder/e/files/20210726013038.pdfIn PDF document text
- 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_off0000c933.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC933 | 19732 bytes |
SHA-256: 69d49c4bf5e0d9c82a1c66634e9d2e9ac0f6b4979717e5fc8290e4af002fd032 |
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font_01_sfnt_off0000f99b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF99B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000111b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111B2 | 11840 bytes |
SHA-256: 5ade5826ce1b9433a5ef5a5ef5f696e3b369fa7d783ad6f6b0c629b2201cff7f |
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