MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to external websites. Several heuristics indicate that these URLs are part of a link farm, with some hosted on compromised CMS platforms, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
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://gabortech.com/admin/file/rupupa.pdf In PDF document text
- http://hkacca.com/userfiles/vonigoxegexa.pdfIn PDF document text
- https://www.karelo.com/uploads/File/xejeduxuzi.pdfIn PDF document text
- https://marmetal.cevhertemizlik.com/userfiles/files/wirozizofubuvukaxefo.pdfIn PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16147e7da8854e---turanawezidawuwabom.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fbd96711f3---bomusajarufonerozutu.pdfIn PDF document text
- http://nextlab-semi.com/files/fckeditor/file/farujogojovimidosevara.pdfIn PDF document text
- http://picart-personal.pl/fckupload/upload/file/86564307906.pdfIn PDF document text
- http://hotelborgodeipoeti.com/userfiles/files/gosinagul.pdfIn PDF document text
- http://kvrhousing.com/uploads/tijanilovapiwifusodadatuv.pdfIn PDF document text
- http://elmbbq.com/uploads/files/22428252218.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/6ghit1dd907339jbu6guq8an72/wepimifidupafeko.pdfIn PDF document text
- https://hotelmitrutarija.com/uploaded/files/66495545169.pdfIn PDF document text
- http://ipea.kr/userData/board/file/lonifudiwugebuzotumizusog.pdfIn PDF document text
- http://sungwoneng.com/upfile_editor/2021/files/56386305878.pdfIn PDF document text
- https://namhunglogistic.vn/site/files/memewuramisimukabedukuwaz.pdfIn PDF document text
- https://clove7.com/userfiles/file/68558672382.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba09152d72---taruxolagupejita.pdfIn PDF document text
- http://nhakhoasaigonkimcuong.com/uploads/images/files/zepajadafalikapu.pdfIn PDF document text
- https://ctyhoanongangiang.com/userfiles/file/gegixawox.pdfIn PDF document text
- https://vibangnhadat.com/uploads/files/88414247513.pdfIn PDF document text
- http://ckud.handysociality.com/upload/files/vakoxafavimuzepixig.pdfIn PDF document text
- https://812423.qqtogeljackpot2.com/contents/files/53698760602.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=best+way+to+share+videos+from+androidPDF 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_off0000cc8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC8B | 17492 bytes |
SHA-256: bc961982d24518b4eb38bc645db4ab7156dc26eff3176f6cb3a7ea63a1d659af |
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font_01_sfnt_off0000f996.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF996 | 10892 bytes |
SHA-256: b30927d25a8ff7df8fe671646b4100583ac206f333143152f5363e31bdc662fd |
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font_02_sfnt_off000112c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112C0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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