MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The file contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm or phishing lure. The primary purpose appears to be redirecting users to external URLs, potentially for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://huntic.ru/uplcv?utm_term=android+camera2+surfaceview PDF link annotation
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613887e6cced7---58632920347.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/09c9f228d0db311a74107a2fdf9f66e0/vekej.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613c859b56a4b---81484875963.pdfIn PDF document text
- http://imosa.asia/uploads/files/202109011531499006.pdfIn PDF document text
- http://needychild.org/ckfinder/userfiles/files/99689451398.pdfIn PDF document text
- http://qunjl.com/userfiles/files/48284091000.pdfIn PDF document text
- http://stamforgtechnologies.com/uploads/kuxaxodoremekakifizu.pdfIn PDF document text
- http://thermogroup.ru/uploads/files/xufimuxawofulomewufirener.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/vsjgoaso0hulvcin11pfc3h3l2/jesakuwarabudum.pdfIn PDF document text
- http://okmarin.ru/userfiles/file/kilepupimaxasekade.pdfIn PDF document text
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/evrgptu4b107n2hknl39ecodb4/84743826874.pdfIn PDF document text
- http://darstin.com/userfiles/files/zuguxiworupaxefegovavoxut.pdfIn PDF document text
- https://vinatech.com/userfiles/file/93968614539.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161326f9e36c1e---81127228169.pdfIn PDF document text
- https://guijek.com/userfiles/file/55929919910.pdfIn PDF document text
- http://aaz.sk/editor_uploads/files/pifixutavu.pdfIn PDF document text
- https://jmtours.co/aym_image/files/89729241212.pdfIn PDF document text
- http://lexen.ca/userfiles/files/puzaweda.pdfIn PDF document text
- http://perilatomsk.ru/ckfinder/userfiles/files/julid.pdfIn PDF document text
- http://showpelec.com/data/file/20210904_114903_149.pdfIn PDF document text
- https://volnynaklad.cz/data/file/2637978573.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://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_off0000b053.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB053 | 10848 bytes |
SHA-256: 89d8fc65a8bf9b68223c1eeb390220969da48227ea834cad4a6cb44a23e59edf |
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font_01_sfnt_off0000c97d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC97D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e18f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE18F | 14888 bytes |
SHA-256: 3e9fc0e718b08d2b00915df5572467e2690875dcf149266234f9ea66feec009f |
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