MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external links, many hosted on compromised or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of multiple PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://allytemp.ru/uplcv?utm_term=modify+an+apk PDF link annotation
- http://ocean-ex.com/images/blog/file/dobodironezidisijetivuli.pdfIn PDF document text
- https://inprovitcolombia.com/ckfinder/userfiles/files/76853234898.pdfIn PDF document text
- https://ausztriasi.spawellness.hu/upload/hirlevel/files/11701072250.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614360b650e0f---zagevur.pdfIn PDF document text
- http://www.pranabkumar.com/fckimages/file/68684534862.pdfIn PDF document text
- http://sbnjl.com/userfiles/files/83628938040.pdfIn PDF document text
- http://hfengly.dk/skoleportalen/userfiles/file/22120560734.pdfIn PDF document text
- https://saptabangunmanunggal.com/indomobils/upload/file/23574734359.pdfIn PDF document text
- http://escritacontabilidade.net/fotos/news/file/31840614726.pdfIn PDF document text
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/161418a17dca96---tapobi.pdfIn PDF document text
- https://www.savininkai.lt/ckfinder/userfiles/files/togimuverozilogow.pdfIn PDF document text
- http://machinesupplier.cn/data/product/file/202191_231115_933.pdfIn PDF document text
- http://hanasushipickup.com/uploads/files/vetaxexasenabivabezevoxi.pdfIn PDF document text
- https://birsamundapark.in/userfiles/files/texuwigeketa.pdfIn PDF document text
- http://tokyosushilohaus.com/uploads/files/82155244573.pdfIn PDF document text
- https://sunkamalzemecilik.com/userfiles/file/tikasanomojeda.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/51ccbjamn4cfdpap0a2jq3lklj/weweveba.pdfIn PDF document text
- http://sksound.com/userfiles/file/2275542552.pdfIn PDF document text
- https://posh.hr/files/lovexoduke.pdfIn PDF document text
- http://kd-council.com/upfile/files/85509336798.pdfIn PDF document text
- https://gionggiacam.gagiongvitgiong.com/ckfinder/userfiles/files/kajijisigax.pdfIn PDF document text
- http://wedding-box100.com/uploads/files/202109100223357987.pdfIn PDF document text
- http://eska-lift.ru/userfiles/file/pibegan.pdfIn PDF document text
- http://iburgisidimarsala.eu/userfiles/files/palekujaf.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_off0000ddf7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDF7 | 10148 bytes |
SHA-256: 3a36b428d12271550745492373c5095711fa64d2d2ea47ea0345b6188b853727 |
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font_01_sfnt_off0000f4b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4B3 | 17460 bytes |
SHA-256: 05cf18eb370066121274ae06c0884bb4840c45b322f2ab4a04b380e9730ce5d0 |
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font_02_sfnt_off00012206.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12206 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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