MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs pointing to compromised WordPress sites and disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is unreadable, but the heuristic findings clearly point to a malicious link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/q46qdmv9n9o7t3rur4g3eiollg/gudizofitisi.pdf In PDF document text
- http://xn--80aaa1acmiejxr6d7fg.xn--p1ai/data/files/62028930729.pdfIn PDF document text
- http://taiwanquinoafamily.com/shopadmin/upload/files/vobevodonimujig.pdfIn PDF document text
- http://bocghedanang.com/media/ftp/file/97022266810.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/272g62ddjktj35tcov0cid1ke6/puxuwukataxugeleta.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/hm7sju067h12ll7f6le3ajrlu2/25438841617.pdfIn PDF document text
- http://bogieclassof67.com/clients/71235/File/14303158518.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd8359c3cd5---goresowanezitele.pdfIn PDF document text
- http://laulumaja.fi/ckfinder/userfiles/files/tokogipozixejoga.pdfIn PDF document text
- https://editions-tlp.fr/ckfinder/userfiles/files/wulurapireveledefu.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d4d0b9af51---95609709635.pdfIn PDF document text
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/e724ef765b03e4828083a6c30ce5d980/nevaduwovirivir.pdfIn PDF document text
- http://katyababash.com/images/uploads/file/xibaf.pdfIn PDF document text
- https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/4bc140d10aa3674b7775b9b764dfa311/tosebigewewevasited.pdfIn PDF document text
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/8agd01mt6p7tq3dasf45rbqkij/57998300135.pdfIn PDF document text
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/952d1a894466ad908c8d86ccd9bfa894/doxalukamaberetipozitul.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f7d89f4179---rubiwav.pdfIn PDF document text
- http://akgikorea.com/file_upload/fck_upfile/file/jibalolubumubev.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/atqg15omn2u3psq8g452i8enr6/zawisezadenik.pdfIn PDF document text
- http://goddesshair.net/upload/users/files/78373145427.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16080b1356af5c---roxeke.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/4848790da787e91687c3abcfd27f5291/65159395071.pdfIn PDF document text
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/37bfdf9ad820198aae25b69d07a26c04/rikurefotobakexuwisotudub.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607c10a1edc00---lesowenifuweti.pdfIn PDF document text
- http://aodaibooking.com/FileData/ckfinder/files/20210710_5B0D95D5159C7AA7.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/e7a210e1ec8f8c3549d15fe08dbf07fd/6092701489.pdfIn PDF document text
- http://laptopplus.be/app/webroot/files/userfiles/files/kusokajupumuxoxasavo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=words+that+start+with+these+lettersPDF 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_off0000fd3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD3F | 17680 bytes |
SHA-256: 7713a60b0fdb363ee0db1c273e799a68aef22e60f9e0afb20ae231667d5da0b9 |
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font_01_sfnt_off00012b64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B64 | 10320 bytes |
SHA-256: 3247f016482d105e3d363d84eda2fa6ee49afa1bd129416ab54673369f6d7df5 |
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font_02_sfnt_off000142dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142DC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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