MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs that point to compromised WordPress sites, suggesting a phishing or malware distribution campaign. The presence of a link farm on disposable hosting further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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 https://inwebjor.ru/uplcv?utm_term=alienated+melissa+landers+pdf+espa%C3%B1ol PDF link annotation
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1610448fb496a1---21996197378.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/edb37d6a1e2a6c26ca4d4795bbb0a9a5/tasadesu.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c255598ed2b---93800406814.pdfIn PDF document text
- http://asesorgubernamental.com/images/file/49601313903.pdfIn PDF document text
- https://vokalensemble-vocembalo.ch/userfiles/file/sufid.pdfIn PDF document text
- http://klm-co.ru/foto/ck/files/8494955683.pdfIn PDF document text
- http://stitesattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/69183561134.pdfIn PDF document text
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609c1c35ba0fc---19347714625.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/d83hupef3luad5m5s7419691bh/48719973229.pdfIn PDF document text
- http://dwhs79.com/clients/15834/File/15659358837.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091157c843f5---28033966757.pdfIn PDF document text
- http://metalltechnik-kutschi.at/dafoxedu.pdfIn PDF document text
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/5858d9654b2ba04d931d7ba1e49cc97c/14473548029.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a475a431dce---potawatupebisojiwatis.pdfIn PDF document text
- http://appartementslisa.it/an3_Uploads/file/3476834720.pdfIn PDF document text
- http://csc0731.com/userfiles/file/20210809125716_75yzxv.pdfIn PDF document text
- http://cokhiminhhien.com/media/ftp/file/61841522097.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16128938b0938d---23878217431.pdfIn PDF document text
- https://villatoscana-pi.it/userfiles/file/topafimek.pdfIn PDF document text
- http://stjconsulting.it/userfiles/files/lutilunumotonenevun.pdfIn PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/bc4bb73d21e21c89877c57a88efb0f26/dinuvagosujugawugezupoxe.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c075cd9f97b---76646509667.pdfIn PDF document text
- https://o2opr.co/userfiles/files/popejowaziwolubutirol.pdfIn PDF document text
- http://winteringlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/7413970229.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_off0000b81a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB81A | 10844 bytes |
SHA-256: 2f39bb87d710864d961df35c061f0ff2ad2fe39d5a738a8a28b673ead3a0a05f |
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font_01_sfnt_off0000d0db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0DB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e8ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8ED | 18236 bytes |
SHA-256: 0562dc19bd5752ac65db91fdc5d7894760b6c3967c04a9139502e393fd08ce03 |
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