MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs likely redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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 http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136667ac19bf---sujol.pdf In PDF document text
- https://hobbes-group.com/upload/files/gonozegozovexorepa.pdfIn PDF document text
- http://piqiso.ru/userfiles/file/posexaxorolipob.pdfIn PDF document text
- http://montoaneli.com/ckfinder/files/bimopimomuvowawazokuf.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1612fec3e289ec---vajibu.pdfIn PDF document text
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/powiteruzizazawis.pdfIn PDF document text
- https://bauarch.bg/files/xefutefijanug.pdfIn PDF document text
- http://ttfi.org/app/webroot/userfiles/file/75311802005.pdfIn PDF document text
- https://www.thaiahpa.com/flash/files/75576678239.pdfIn PDF document text
- http://4bzsoftware.com/Images_upload/files/94435859369.pdfIn PDF document text
- https://rowadalbyt.com/userfiles/files/derukosumububi.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/db04e534ee6ad1c8bacfb84103d2834a/kusoxuwi.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1614238f866115---gumugototigazupo.pdfIn PDF document text
- http://www.skk.com.hk/admin/ckfinder/userfiles/files/78816590014.pdfIn PDF document text
- http://greenflameenergy.com/userfiles/file/52577628085.pdfIn PDF document text
- http://alompar.hu/uploads/content_files/files/54815265724.pdfIn PDF document text
- http://lsphc.com/userfiles/file///78686508753.pdfIn PDF document text
- https://gastrotest.co/ckfinder/userfiles/files/9353222126.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a6ea58828c5dd3dd1d4c5878df7336e6/koruwazakegiki.pdfIn PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/39tc8jsd09irapiri9meop4hqf/71781634872.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=my+store+androidPDF 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_off0000b6be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6BE | 10300 bytes |
SHA-256: 6b9dfcee686ad048ce507bfa092d1e684b273680dc1539903c668c546b0d9c56 |
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font_01_sfnt_off0000ce1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE1D | 16012 bytes |
SHA-256: ca9823b7d3bfa559b3b14d04ad9d18c42795e4a0f010d983708ea40ce3eb0f0e |
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font_02_sfnt_off0000f725.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF725 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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