MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.001 Process Injection
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, many pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to obscure the final destination. The presence of external URI heuristics and the specific ClamAV detection name 'Pdf.Phishing.Trojan' strongly support a phishing or trojan attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://sibaco.ru/ckfinder/userfiles/files/bijurewopudigusujelez.pdf In PDF document text
- http://imhkayseri.com/resimler/files/jifog.pdfIn PDF document text
- https://monographie.com/ckfinder/userfiles/files/2378907632.pdfIn PDF document text
- http://putzlappenborner.at/editor_up/vixivimosebamili.pdfIn PDF document text
- https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/804342386.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614031b372ddb---sekitaferiku.pdfIn PDF document text
- http://onlinepravenconsultant.com/uploads/wysiwyg/files/882686057.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143132cc6717---gipenikigimub.pdfIn PDF document text
- http://cpils.com/userfiles/file/povebisimepekererodi.pdfIn PDF document text
- http://huspanda.com/data/ckfinder/files/31653518296.pdfIn PDF document text
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/16135ac37b3002---40081485711.pdfIn PDF document text
- https://apoiotelecom.com/imagens/img_fckeditor/file/lubafaboluwawedow.pdfIn PDF document text
- http://polaryachtmanufactory.com/res/wysiwyg/file/woniwubifosogizami.pdfIn PDF document text
- http://snft.ro/media/file/lofededuvetojifisizixa.pdfIn PDF document text
- https://semangkamerah.com/contents/files/wosigujomapesajopurazukut.pdfIn PDF document text
- http://www.farmaciapenil.es/userfiles/files/redovimosuxukojitodakupor.pdfIn PDF document text
- http://fortwashington.abwingsmd.com/uploads/files/lawukove.pdfIn PDF document text
- https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/ilfpaifk2dk567v5ufj0sbe5i4/damenirupeko.pdfIn PDF document text
- http://aotwresort.net/ckfinder/userfiles/files/2680532584.pdfIn PDF document text
- http://diamant-x.sk/UserFiles/file/67447855345.pdfIn PDF document text
- http://avandcie-automation.com/ckfinder/userfiles/files/84423910390.pdfIn PDF document text
- http://xn--2-140-swe8h.xn--p1ai/files/14423989914.pdfIn PDF document text
- http://nail-free.com/ckfinder/userfiles/files/42486260058.pdfIn PDF document text
- https://cmf8.ir/data/file/kavugumatero.pdfIn PDF document text
- https://florerialafloresta.com/ckfinder/userfiles/files/81899031732.pdfIn PDF document text
- https://tasteadmin.com/ckfinder/core/connector/php/custom/wysi_uploads/files/lakuvibuzuna.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=set+up+video+chat+on+androidPDF 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_off0000d337.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD337 | 16968 bytes |
SHA-256: 6bba8eb90630ee46c01345d0798c2e0c57dab324e279ecbfbbc23a1d810ee719 |
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font_01_sfnt_off0000ff1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF1B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011732.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11732 | 10640 bytes |
SHA-256: b1c7b1f779e1a517f52dccfceae80cbb984d55d1593a72adf3cb8c27a8f1c1b4 |
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