MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and embedded URLs are consistent with phishing or malware distribution tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://krisoc.ru/uplcv?utm_term=cost+accounting+sp+jain+pdf PDF link annotation
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/c48dc59a879e29822075c21f1a2d9cb7/nufuditi.pdfIn PDF document text
- https://betalinktech.com/blmedia/file/69345676548.pdfIn PDF document text
- http://amblesidewindermere.ca/fckuploads/images/file/77005132312.pdfIn PDF document text
- http://tipiland.net/upload/file/ruwafilibolela.pdfIn PDF document text
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a15557664ea---rutarifotokijowimek.pdfIn PDF document text
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/1t0v6grjvjlrqp0pna4484tuu0/92661561137.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3c19b969d5---depiku.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/frkiv2u9ksl1djmrvejb8i1nf2/sesusogimolamojakef.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082241a1fef3---buwumuzomezifapun.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/u8tk7f20n2q3e833afn2a00eu2/97920671757.pdfIn PDF document text
- http://aftckwt.com/uploads/file/8188699755.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/14997924050.pdfIn PDF document text
- https://mariellatriolo.it/public/file/lezes.pdfIn PDF document text
- http://sarlampa.ru/upload_picture/9052327185.pdfIn PDF document text
- http://szzxwx.com/Upload/Upload/file/2021613238195972.pdfIn PDF document text
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/esk5oli1lbl3c7quoclqso3mov/fajibatejugo.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607217013aff2---darinenibebogubotagebiraf.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/a78d57d1b57657adb5e68e914a9815a5/vurovapunirome.pdfIn PDF document text
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/4r7h8cpg9l2e1e99fpii446nbr/velozovesimawupemez.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c83002d86e---godorebuwigeb.pdfIn PDF document text
- https://condominiobrisasdelnorte.com/userfiles/file/wogisa.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_off0000b18b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB18B | 16036 bytes |
SHA-256: 4e09425e9dc2f4a575838e1eb7dd7df388f92eed44f174a8a9e9c2dd2a4fb600 |
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font_01_sfnt_off0000db1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB1B | 10780 bytes |
SHA-256: b1a826885d86453effeb34a6f7ff71054d01c4b6332791961071f81dde45dc22 |
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font_02_sfnt_off0000f3de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3DE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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