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 a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The document contains a link farm pointing to numerous compromised CMS upload locations and disposable hosting sites, suggesting an attempt to redirect users to malicious content. The embedded URL 'https://catamma.ru/uplcv?utm_term=what+toxins+are+in+baby+food' indicates a phishing lure related to common search queries.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://catamma.ru/uplcv?utm_term=what+toxins+are+in+baby+food PDF link annotation
- https://emmaushuis.org/pages/lupirikulebolunemigoxan.pdfIn PDF document text
- http://instant-image.net/UserFiles/Site/File/volalo.pdfIn PDF document text
- https://alllegaltask.com/wp-content/plugins/super-forms/uploads/php/files/rg8e8p41pkrso50e0p5qv5mbhb/96060146871.pdfIn PDF document text
- https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/bdb29319d810730aa4fdc1cf211e55f8/33004659857.pdfIn PDF document text
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/61cdf284655f40b738260a24ca5867f0/46146570873.pdfIn PDF document text
- http://brmhn.com/userfiles/file/20210529103229_kj5zuf.pdfIn PDF document text
- http://carszana.com/image/upload/File/zuxawegegaworava.pdfIn PDF document text
- http://dynamic1984.com/user_file/file/24285428361.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160829ad70e85a---31433180950.pdfIn PDF document text
- https://aulacvn.com/upload/fck/file/tomivoteninedapa.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/tcbvqcq73mlppdn9dn3d8epueg/81554268122.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d47b1dc3c1---33367954584.pdfIn PDF document text
- http://bugaboo-buffalo.eu/UserFiles/File/68156683113.pdfIn PDF document text
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609906fca2ce0---godime.pdfIn PDF document text
- http://regimhotelierbucuresti.com/images/userfiles/xoduzofumagorafinur.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a433c82ba65---53211543658.pdfIn PDF document text
- 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_off0000eb92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB92 | 5284 bytes |
SHA-256: 19f2430027ee9e5bfe95122b75eb75cbdd705360a3fa948ff32ac4dd1ebccc97 |
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font_01_sfnt_off0000fd9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD9C | 10356 bytes |
SHA-256: 4e30d5a176dfbe4ff0360aa389cd56dd2d775bca744096c7ac8607a423f2d8f0 |
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