MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous embedded URLs that function as a link farm, directing users to potentially compromised websites. The presence of these links and the overall structure suggest an attempt to distribute malicious content or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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://oniceh.ru/uplcv?utm_term=the+bachelor+season+25+episode+5+online+free PDF link annotation
- http://aimecostruzioni.it/userfiles/files/64885484631.pdfIn PDF document text
- https://vinniescustoms.com/userfiles/files/73080790042.pdfIn PDF document text
- https://delaneyllc.com/ckfinder/userfiles/files/soxowefobapasosa.pdfIn PDF document text
- http://dragoniresorts.com/userfiles/wujinizulejovup.pdfIn PDF document text
- https://vietrocknet.org/app/webroot/img/files/bekunuzezunined.pdfIn PDF document text
- http://fratellilongoni.com/userfiles/files/danirapuse.pdfIn PDF document text
- https://bevasilicones.in/userfiles/file/xenogadotidupamakew.pdfIn PDF document text
- https://agronlogistics.com/userfiles/files/sivosanojifevimukife.pdfIn PDF document text
- https://mysmartedu.com/uploadimages/files/30957564991.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/8330950a8165954858799eaab0690ec4/jibezamerusodosivalobavo.pdfIn PDF document text
- http://tsmsaldature.it/userfiles/files/95645515906.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135139486b28---79429946141.pdfIn PDF document text
- http://retailcop.ca/files/55133753894.pdfIn PDF document text
- https://icicle-mountaineering.ltd.uk/ckfinder/userfiles/files/76520194637.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/0cb3bf49fc9293303fe7a78507400a1e/gejaweg.pdfIn PDF document text
- http://yao-cheng.com/uploadfiles/20210912114703.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137907734165---34689799272.pdfIn PDF document text
- http://usairsprings.com/userfiles/file/wurawugoruvovapefejizukel.pdfIn PDF document text
- https://stabiactiv.com/userfiles/file/vatejonifulujitikazukoja.pdfIn PDF document text
- http://autoset66.ru/admin/ckfinder/userfiles/files/73279484938.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_off0000fd8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD8D | 10976 bytes |
SHA-256: 3061d82f0664569ff6b7532670fa139778cc7f51bbe59cac2337c91ae374d449 |
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font_01_sfnt_off000116c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116C8 | 17764 bytes |
SHA-256: 561ccff25c1273e6755a76df44017e363be3d3d176231637fc3d5197d2b6fc97 |
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font_02_sfnt_off000144f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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