MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is a PDF that contains a link farm, with many URLs pointing to potentially compromised websites. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as phishing or a trojan. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the document is designed to exploit search engine optimization techniques to distribute malicious links.
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 http://www.wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/zumutin.pdf In PDF document text
- http://clinicaveterinariaalbese.eu/userfiles/files/33739602736.pdfIn PDF document text
- http://sportsbettingconsultants.net/cote_dor_import/admin/ckfinder/userfiles/files/xumumavinerowelubo.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/b09fb5f46ad5de22fcc61fba437b1671/wivewuf.pdfIn PDF document text
- http://ck-buhgalter.ru/userfiles/file/36464958365.pdfIn PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b1bb8e4d0d---66950923763.pdfIn PDF document text
- http://harrodsrentacar.com/public_html/userfiles/file/43086140014.pdfIn PDF document text
- http://cs-web-design.de/ablage/userfiles/files/genapukob.pdfIn PDF document text
- https://ifbscalidad.eus/files/galeria/files/zawatukupoviveso.pdfIn PDF document text
- https://812423.qqtogeljackpot2.com/contents/files/98207401095.pdfIn PDF document text
- https://posetili.ru/userfiles/file/60224415754.pdfIn PDF document text
- http://decoworld.in/dayafter/uploadimages/newsimages/file/60564280843.pdfIn PDF document text
- https://debo-fit.be/userfiles/file///92984359175.pdfIn PDF document text
- http://piazzademarini3ge.com/userfiles/files/83785935662.pdfIn PDF document text
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/q4f7rl1al6jtkpl6i94cpe1ca8/leginurer.pdfIn PDF document text
- https://lesartsdansmonjardin.com/userfiles/file/20210909141017.pdfIn PDF document text
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/10fl190pf30mgoasabg2ueeg17/71524237017.pdfIn PDF document text
- http://vaonhaphatphap.com/images/uploads/files/madokijodagibudumoxokub.pdfIn PDF document text
- http://clinical-pain.com/pds/userfiles/files/2396583745.pdfIn PDF document text
- http://jjc-dev.com/userfiles/file/9646385210.pdfIn PDF document text
- http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lusofizinenanokilo.pdfIn PDF document text
- http://karimeh.com/public/userfiles/file/13110442168.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/161339f297e517---laxabelife.pdfIn PDF document text
- http://bdsps.org/slbdavbatala/userfiles/file/26940414520.pdfIn PDF document text
- https://karaari.leaddeehub.com/userfiles/files/60551714311.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=marketing+management+tn+chhabraPDF 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_off0000bf91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF91 | 10568 bytes |
SHA-256: 24d02e485a92084c6f0c113317ad5d28d3fa2afab277b3a7e93899cb47231bc9 |
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font_01_sfnt_off0000d77b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD77B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ef8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF8D | 17136 bytes |
SHA-256: a2660594c80a935b825866975efc0261e2e1e720bb00f262230058b36e8061be |
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