MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting an attempt to redirect users to malicious content. The embedded URLs and the nature of the heuristics indicate a phishing or redirection attack, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/cb834e54a38080a1268c6b776e28704e/14364658616.pdf In PDF document text
- http://xn--9d0b102a6wc3y4a.com/sa_upload/userfiles/file/20210520054205.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/040c581d16746063fd679f89c16542ff/jedaxex.pdfIn PDF document text
- http://au-coeur-du-temps.com/userfiles/file/rofelatat.pdfIn PDF document text
- http://abbuffalowings.com/uploads/files/modimemumoxuxesaxinuvad.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/ub1o0g4986dpdc8dr4sm6ji5q9/32314781966.pdfIn PDF document text
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6e67b64044---49640242135.pdfIn PDF document text
- http://bajcsidavidfoto.com/_user/file/wemidefomaki.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/071358339804.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1508e6be7---85414803162.pdfIn PDF document text
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077d8d4b2c3a---17048843414.pdfIn PDF document text
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/6c69a563bf7f62f5f496152f5aa82343/84211023642.pdfIn PDF document text
- http://ofipapel.org//ckfinder/userfiles/files/lodedolobokolidazafazazak.pdfIn PDF document text
- http://hongdacable.com/d/files/66382241620.pdfIn PDF document text
- https://maspacientes.es/wp-content/plugins/super-forms/uploads/php/files/cd4thk7kqp2p0ri1lnjt073upv/zagugedusibekomubivip.pdfIn PDF document text
- https://kodcomputers.ro/2664/uploads/15598973642.pdfIn PDF document text
- http://maility.pl/_ADRESuserfiles/file/45777291547.pdfIn PDF document text
- https://bd-sokolovska.eu/userfiles/file/68269041457.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=physics+general+knowledge+quiz+pdfPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e38c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE38C | 5852 bytes |
SHA-256: f8e00dd94e9d4f7c90d78c2d93f87c5ba0bfbc9a8b27e83a029f1fcdb0059498 |
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font_01_sfnt_off0000f793.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF793 | 11108 bytes |
SHA-256: 99f30a93235b5e3d11f491e0d01bd7215ae9bad2ca8ea80116f129f168836f46 |
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