MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous URLs pointing to external PDF files hosted on various domains, suggesting a phishing or content-distribution scheme. The presence of multiple external URIs and a link farm heuristic strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://influences-vegetales.eu/assets/Image/files/34022364570.pdf In PDF document text
- http://momsystem.ru/public/file/66425946063.pdfIn PDF document text
- https://habibitoursegypt.com/ckfinder/userfiles/files/65727097076.pdfIn PDF document text
- http://obchodsezlatem.cz/upload/files/18988794274.pdfIn PDF document text
- https://epgeptech.hu/ckfinder/userfiles/files/12159240939.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606cba612219b---sarezakuzozifujokanusago.pdfIn PDF document text
- https://oilbasaro.com/web/images/ckfinder/files/20210827215139.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/4cp10tc7n72o4riiiq0qcbpi3c/xudimedoworasopuvoz.pdfIn PDF document text
- http://smclassof57.org/clients/34860/File/25984475490.pdfIn PDF document text
- https://cailux.lu/userfiles/files/94747005018.pdfIn PDF document text
- https://store-connector.com/_upload_bilder/_filemanager/file/vibimi.pdfIn PDF document text
- http://bdn10.cz/files/file/61039972614.pdfIn PDF document text
- http://caigeshi.com/uploadfile/file/2021062607083373499.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/cd7f869f5e18ded62ad74249450f60ca/97531633959.pdfIn PDF document text
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/3d52ca9c1dc88523289067825e858f69/96591014624.pdfIn PDF document text
- http://caythuocdangian.net/images/files/19519261057.pdfIn PDF document text
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/410115db913188dbeb7e2f262230b3d4/lisepopido.pdfIn PDF document text
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608ecf3ad5f9e---92904927119.pdfIn PDF document text
- https://drisraadentalcenter.com/userfiles/file/57588574410.pdfIn PDF document text
- https://childconcern.in/trila/userfiles/file/wamapegapiwabijoxaxepib.pdfIn PDF document text
- http://usatovl.ru/upload/fckeditorfile/fonoxalewun.pdfIn PDF document text
- https://tims.ro/ckfinder/userfiles/files/7551935102.pdfIn PDF document text
- https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/f147f3e437fa107aec1b77a571474aa9/49219468582.pdfIn PDF document text
- http://abwplazaview.com/uploads/files/46444173652.pdfIn PDF document text
- http://achilleferolla.it/userfiles/files/lebubunamovawak.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=broadband+vs+baseband+pdfPDF 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_off0000e25c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE25C | 18008 bytes |
SHA-256: 4803d861b28d77ad65cc974ff478e59d557a62abc1d5a7789cbf6c54f816ceb1 |
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font_01_sfnt_off0001110c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1110C | 10516 bytes |
SHA-256: 693ca7768868024b0f886f892c137e27c78bd3b62978e5ea18bfe902cfad6b29 |
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font_02_sfnt_off000128e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128E8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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