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 as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links to external websites, many hosted on compromised or disposable domains, indicating it functions as a link farm. The presence of these links suggests an attempt to redirect users to malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://montagnobozzone.it/userfiles/files/wugubadudidodesonamobu.pdf In PDF document text
- https://tekartltd.com/upload/files/mevofejurofos.pdfIn PDF document text
- http://fairway.cc/images/blog/file/18446610077.pdfIn PDF document text
- http://bagumul.com/file_upload/spaw_upload/file/20210913205042.pdfIn PDF document text
- http://luxcottage.ru/stroykamen/userfiles/files/28495506690.pdfIn PDF document text
- https://stehovani-ostrava.cz/static_pages_files/file/34391336064.pdfIn PDF document text
- https://navoloki.mebel18.com/uploads/files/66770767629.pdfIn PDF document text
- http://rayanchem.com/d/files/lenusibabesewofesuverej.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b2c3220ac3---sodazetadevigevobuwutig.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021090518071233.pdfIn PDF document text
- http://emanuelarombiarchitetto.eu/userfiles/files/36092345669.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614910d36cb23---bijudos.pdfIn PDF document text
- http://ysmenmidwestindia.org/uploads/userfiles/file/file/23995819871.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613d3509ad5b9---87554425589.pdfIn PDF document text
- https://tsydesign.com/userfiles/jws/files/71713624219.pdfIn PDF document text
- http://kingsfinancialconsulting.com/userfiles/file/senutolanijokafu.pdfIn PDF document text
- http://zhizhencn.com/filespath/files/20210926170621.pdfIn PDF document text
- https://natatourism.com/userfiles/files/riwakepegewenajilom.pdfIn PDF document text
- http://security-m.jp/tool/images/file/popesupefizukalig.pdfIn PDF document text
- https://infosantiere.ro/userfiles/file/xibiviwubitinenavanoz.pdfIn PDF document text
- https://hopadive.cz/ckfinder/userfiles/files/22758250568.pdfIn PDF document text
- http://szyuangang.com/UserFiles/file///fiwabonimil.pdfIn PDF document text
- https://warungmimpishio.com/contents/files/82780336512.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=cashew+nuts+bad+for+goutPDF 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b139.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB139 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c94b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC94B | 15560 bytes |
SHA-256: 8d824650de0c01d809aa6d4def2fbfa09eb4f5533bf1e3f593d3e8f2703041c1 |
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font_02_sfnt_off0000f0e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0E1 | 10852 bytes |
SHA-256: 8d27694e5c8fd0077ac5ccf70b82a273cf470bf1c431a48558b31cdc4de1395c |
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