MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous domains, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a tactic to artificially boost search engine rankings or distribute malicious content. ClamAV and ML classifiers confirm its malicious nature, likely as a phishing or trojan delivery mechanism.
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 http://massageindex.nl/images/uploads/wapugepesipax.pdf In PDF document text
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/6413b53aecfeed5f0b2396e80ce8ed52/pubazadivepopamifasi.pdfIn PDF document text
- https://medtek.vn/storage/file/70968860719.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160755cd9d60b1---54435219660.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/3234ce60da5bc552cc2f98363e254fe7/wikesu.pdfIn PDF document text
- https://jamurgoreng.net/contents//files/98515597641.pdfIn PDF document text
- https://repare-ton-smartphone.com/userfiles/file/memazajodireno.pdfIn PDF document text
- http://xoblates.com/clients/e/e0/e08cfb93fb97b00c28394d0532709dc9/File/13047669336.pdfIn PDF document text
- http://penzionnakrizankach.cz/ckfinder/userfiles/files/punatowuxixuwiboz.pdfIn PDF document text
- http://galluccifaibano.it/userfiles/file/xerus.pdfIn PDF document text
- https://emilline.dk/ckfinder/userfiles/files/luwafuxegavef.pdfIn PDF document text
- http://beloezoloto.ru/userfiles/file/barefizizubajadozoxowen.pdfIn PDF document text
- http://stolizstekla.ru/userfiles/file/53290845805.pdfIn PDF document text
- https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/de02743229e8cdcce2b73f73263e6cf8/kipabebopapajamogabokon.pdfIn PDF document text
- http://ecohort.com/userfiles/files/tuparemeju.pdfIn PDF document text
- http://chiangmai-clean.com/user_img/files/1302954115.pdfIn PDF document text
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/gjop6r798rp7f6u69s1ea7fed2/misuxiwuvodobobit.pdfIn PDF document text
- https://makeswebsites.com/clients/c/c8/c8c605999f3d8352d7bb792cf3fdb25b/File/66390275791.pdfIn PDF document text
- http://houstontca.org/Content/uploads/files/wifisijibatuvedugusamawim.pdfIn PDF document text
- http://provia-events.de/pics/fotos/1/file/59868158474.pdfIn PDF document text
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/m7raenqa0kcmqiesrk8upda88g/tanofodewigagiv.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607ffea1721e1---pejemuxanazimep.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/8036a0943c3afc5beacfdad293e00bcd/70403065912.pdfIn PDF document text
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16072023a902aa---85942599537.pdfIn PDF document text
- http://optimaglobal.net/ckupload/files/34071836087.pdfIn PDF document text
- https://milsagliksen.org/upload/ckfinder/files/beduxijojiwuj.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=themes+in+the+crucible+worksheetPDF link annotation
- 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_off0000cc10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC10 | 10716 bytes |
SHA-256: 095fbe83bd5b9b05bab1c2915051316082b32af041b9633afeae9841174f380d |
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font_01_sfnt_off0000e488.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE488 | 17640 bytes |
SHA-256: fbd1cbde7bf58454aedd5da4d894b0c705ebc8c8fce5e837f576b7db1c1c4a38 |
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font_02_sfnt_off0001120a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1120A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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