MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt, likely initiated via spearphishing attachment.
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 https://crysiq.ru/uplcv?utm_term=the+great+gatsby+close+reading+questions+answers PDF link annotation
- https://noithathoaphat11.com/upload/files/96306839518.pdfIn PDF document text
- https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/ddfsbff062fem1v8moau3ce3r4/75466907495.pdfIn PDF document text
- http://sugarfree-gelato.com/upload/file/77619983354.pdfIn PDF document text
- https://coevent.ru/upload/files/sazubanasovefolunezidid.pdfIn PDF document text
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b658bb52c0b---8954185048.pdfIn PDF document text
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/8j7mp52sf03qeucv2m6ni4ojfk/38315636844.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/s0ji6um7864vj5pjb3hou15tmi/tizulebi.pdfIn PDF document text
- http://shriadinathbank.com/uploads/nokeduguxeparuw.pdfIn PDF document text
- http://riverbendhay.com/clients/4/4e/4e1cbd84181290ddb66fb035c9950ff6/File/98902345211.pdfIn PDF document text
- http://secretlove.ch/ckfinder/userfiles/files/77116034354.pdfIn PDF document text
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/02dba4438cc3250868a8e0a65cfe1557/xaloxufelorijakep.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/5df2069b1b7aecf378a55971643d9422/jisafulexizinepatife.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1ac3f1e63f---vegima.pdfIn PDF document text
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/7a297ad08a9d495a7279ff4ccadfed4d/96297494201.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fc8a20040beb1b5342bee4a8a51100c5/fuvomovazekuguwegiri.pdfIn PDF document text
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/c46259aacec259b971908ecdb1a1314c/42718553347.pdfIn PDF document text
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b0ed126fe03---49265928318.pdfIn PDF document text
- http://lycee-elm.org/userfiles/file/xugibidutimudesobulewafeg.pdfIn PDF document text
- https://coevent.ru/upload/files/43325981121.pdfIn PDF document text
- https://urbanlivin.lu/userfiles/files/zidowewa.pdfIn PDF document text
- http://akkoryazilim.com/userfiles/file/fukeroko.pdfIn PDF document text
- https://ukdirectremovals.com/wp-content/plugins/super-forms/uploads/php/files/4d862193d71dc552d3b7c21e5cf49a36/gexarerujurexom.pdfIn PDF document text
- http://mjacz.cz/soubory/files/mevib.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca62215bcf---reguzot.pdfIn PDF document text
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088eeab6b8b0---94986133237.pdfIn PDF document text
- http://henca.com/files/details/file/78955919563.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_off0000dfb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFB1 | 11196 bytes |
SHA-256: 82812ea8195e96e4c4d592c7ead5d7f1569af46c83fe348496d71d7f3dbbdb7a |
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font_01_sfnt_off0000f969.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF969 | 16608 bytes |
SHA-256: 53bd24076d8c9ab997e02cc1252646557b08bb281720bb78c479f057b9b21ced |
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font_02_sfnt_off0001242f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1242F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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