MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and link farm heuristics, indicating a strong intent to redirect users to potentially malicious websites. The ClamAV detection and ML classifier further support its malicious nature, classifying it as a phishing trojan. While no scripts were directly extracted, the PDF structure and embedded links are indicative of a phishing or malicious redirection campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://inwebjor.ru/uplcv?utm_term=how+to+hack+subway+surfers+android PDF link annotation
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/161315e40d90af---nifofotinebigafosevafeg.pdfIn PDF document text
- https://seo-methodes.com/userfiles/file/17974073060.pdfIn PDF document text
- http://scvumaichiramen.com/uploads/files/56079494302.pdfIn PDF document text
- http://change4best.ru/upload/file/42389687836.pdfIn PDF document text
- http://kayamedbursa.com/userfiles/file/funetanepivam.pdfIn PDF document text
- http://tfh-filter.hu/_user/file/bobudakanino.pdfIn PDF document text
- https://www.huaikrachaohospital.go.th/assets/global/lib/ckfinder/userfiles/files/67900695386.pdfIn PDF document text
- http://jtipartner.com/ckfinder/userfiles/files/3120955760.pdfIn PDF document text
- http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/vinaruzuwepawomufoki.pdfIn PDF document text
- https://ms2oke.com/contents/files/pikonebodivax.pdfIn PDF document text
- https://fedico.ca/upload/editor/file/volozisitoxoza.pdfIn PDF document text
- https://seas2010.cienciaevida.pt/site/upload/file/52597659573.pdfIn PDF document text
- https://comtraining.cl/userfiles/files/55820868606.pdfIn PDF document text
- http://thietbibepnhahang.net/media/files/sujolosavusabilaf.pdfIn PDF document text
- http://tkhomedeco.com/assets/uploads/ckedit/files/20210915180437.pdfIn PDF document text
- https://stabiactiv.com/userfiles/file/10439008278.pdfIn PDF document text
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/d3876a516757e57710f143e027df2d84/nasutabesorezim.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16140f76e9c8b4---zaperejazudavipa.pdfIn PDF document text
- https://ikitellirezistans.com/upload/files/72849308139.pdfIn PDF document text
- http://reyazahmad.bscsaoner.in/ckfinder/userfiles/files/gugirerumifaxivarazekeme.pdfIn PDF document text
- http://bzws.zhanyougame.com/ckfinder/userfiles/files/3342221972.pdfIn PDF document text
- http://mientaytourist.com/uploads/files/bezekexevafona.pdfIn PDF document text
- http://pate4me.com/userfiles/file/gabamajapax.pdfIn PDF document text
- http://istihdamhaberleri.com/upload/ckfinder/files/1121399369.pdfIn PDF document text
- http://cissi.it/userfiles/files/jewawalosufobubag.pdfIn PDF document text
- http://jongauger.com/userfiles/file/nidafotesukitodizakajari.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_off0000d43e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD43E | 16896 bytes |
SHA-256: ecd49ec05f89bff98756856b58d2e1c4e1c0a657be7bfbbb98623435fca3f0be |
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font_01_sfnt_off0000ffe2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFE2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000117f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117F9 | 11052 bytes |
SHA-256: fabdaf034cdfcf1baf3e9682f7d13d1b660d18c3c09b85f25b220be90613230c |
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