MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution intent. It functions as a link farm, containing numerous URLs pointing to compromised WordPress upload directories, likely serving as a distribution point for malicious content. The presence of multiple compromised CMS upload links suggests a coordinated effort to host and distribute malicious files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd0481b383---botina.pdf
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/6d157b8bd9fbadd62797ea3adab977b9/mozibekefevatanelafire.pdf
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/9e91a8dc67e7fa6683a34570c98ab3eb/tiridadikuxotanu.pdf
- http://anatolianlgs.com/userfiles/file/39239525958.pdf
- http://aps-mes.com/files/file/58101558298.pdf
- https://aftaplan.com/works/peepsparty/html/upload_files/file/39701311496.pdf
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/ucl99upgti0mto4muogginm7kr/48124169926.pdf
- http://amirafouad.com/uploaded_files/file/36884948600.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9265721f63---voxogajetolowadusan.pdf
- http://steelbo.com/uploads/admins/u0/files/20210616092049.pdf
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/ec3397d8ed1a56dc1febb5850ee8be86/jevusutaga.pdf
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/9fd4fe702c2e2bd538379ee349ad3edc/gupepururago.pdf
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/ufq1lgi9knjfsalne7g9v4qrlt/gimibejuxebawugixi.pdf
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608c6301a9987---2303796351.pdf
- https://global-brand.net/userfiles/files/9197246860.pdf
- http://aunay-sous-auneau.fr/ckfinder/userfiles/files/zijovedororiwadevad.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=definition+of+a+manual
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c7e4.bin942bad164d392615c1e99978e17e0772b7a9f5d638817ba50268d0c5a7b20644 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7E4 | 10208 bytes |
font_01_sfnt_off0000debe.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEBE | 16792 bytes |
font_02_sfnt_off0000f6d0.bin83ec2ff39c3f324fc39b4504b50f40bc5b26f03ccf71421ec676682ac88a537a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6D0 | 16472 bytes |
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