MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites acting as a link farm. These links likely serve to obscure the true destination, which could be a phishing page or a download for further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9946
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://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608c00f04c760---1945972958.pdf
- http://bettynblue.com/upload/fck_img/20210601/file/mugolofutewekelu.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/ead69206a0099d909f335d47f6f4d688/29963472011.pdf
- http://www.iece.in/userfiles/file/gulom.pdf
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/e22a68f8e139b6810f96c1a664ba4b1e/galudopese.pdf
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bb6f6d2eca4---44002500233.pdf
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/eb1ae83c88200aa29a22ba306d4c6c51/14089715591.pdf
- http://aktasmatbaacilik.com/resimlerfiles/45603895359.pdf
- https://hr-serdahel.hu/images/file/23271647468.pdf
- https://pet-fashion.ro/mm/file/guwapugo.pdf
- https://www.edmcenter.xyz/ckfinder/userfiles/files/740678232.pdf
- http://gazosilikatnn.ru/uploads/files/gawolulewobuwutosoraju.pdf
- http://cinstech-inspect-survey.com/fckeditor_userfiles/file/xatatamurozemaxapapula.pdf
- http://digimaap.com/wp-content/plugins/super-forms/uploads/php/files/v6qln02qn8qbqvtbqeatmdcc6p/78519749216.pdf
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070a6d320223---vudizudorumitapezaf.pdf
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/8e83d95fdd6dd82fbcb0a23c129ccae0/470044389.pdf
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4da2b471a0---lesediv.pdf
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/lm38d3u7ekb8c9r347f3gqdef1/kuwevejepi.pdf
- http://www.velkoobchod-man.eu/ckfinder/userfiles/files/kexakenonijumuduxo.pdf
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160775f474ac6b---99297083585.pdf
- https://eagle-aviation.com/userfiles/files/pepab.pdf
- http://longarmquiltacademy.com/fckeditor/userfiles/file/67192074585.pdf
- http://sungsam.net/userData/board/file/mudijuga.pdf
- http://bigredclassof1960.com/clients/879476/File/47540146484.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=li%C3%A7%C3%B5es+de+psicodrama+introdu%C3%A7%C3%A3o+ao+pensamento+de+jl+moreno+pdf
- 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_off0000db48.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB48 | 16792 bytes |
font_01_sfnt_off0000f35a.bin39c737179cee98dafd6996ca206d938677bdd31a9e0950ef086cf1090ddfcfbe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF35A | 20904 bytes |
font_02_sfnt_off000127cb.bin221fa86d33a7814bb78fffea29edf054d01af4d02848fa342691989ddade1e32 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127CB | 11656 bytes |
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