MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised or disposable hosting sites. The embedded URLs, such as http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a6ba9c9577f---13970477369.pdf, are likely part of a campaign to distribute further malicious content or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160caac298e677---80613306535.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a6ba9c9577f---13970477369.pdf
- http://ccswcd.com/userfiles/file/49432777108.pdf
- http://cathyknightwaite.com/ckfinder/userfiles/files/mosixuzedinameb.pdf
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c1db80ca7eb---kofege.pdf
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b00f34c4fb6---fenemawaguvukamekijip.pdf
- http://baigeleather.com/userfiles/file/21064906974.pdf
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/16082efd154ad2---jaxovirusapa.pdf
- https://deltagroup.bg/uploads/file/66394321672.pdf
- https://wulf-sanitaer.de/wp-content/plugins/super-forms/uploads/php/files/ggeuoj6f8bq92arrpi655258ia/97251844383.pdf
- http://asbufestival.com/uploads/FCK_files/file/juwujewaxepo.pdf
- https://allmassage.net/upload/file/20210505010235.pdf
- http://aihyang.com/userfiles/file/51600500498.pdf
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160727568d601f---darajomotabawal.pdf
- http://hulstcustoms.ru/uploads/files/4592334028.pdf
- http://yaqeen-eg.com/userfiles/file/moten.pdf
- http://geometrabottero.it/userfiles/files/pafaxukutujotokojiw.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad99c99d383---tugaxipomaxomoforuxib.pdf
- http://pokemom2.com/uploads/files/86505422447.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=find+word+temp+files
- 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_off0000fd58.binf6fc3e16a69177b71048effb915a3fb04bd89dced43d7cf1eb027ddc6961197e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD58 | 17784 bytes |
font_01_sfnt_off00012c88.binc01045feb3da151c154c3b33cec74211dccd3b40e6c3d5ac02d9e44e311d4347 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C88 | 10560 bytes |
font_02_sfnt_off00014493.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14493 | 16792 bytes |
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