MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a link farm pointing to multiple compromised websites, suggesting an attempt to redirect users to malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates a tactic to obscure the true destination and leverage compromised infrastructure. While no scripts were directly extracted, the overall structure and heuristic firings strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://falconltd.pl/cache/file/35742003014.pdf In PDF document text
- http://benthanhsgfarm.net/images/uploads/files/fetofe.pdfIn PDF document text
- http://slstudio.it/userfiles/files/xodakixorifawek.pdfIn PDF document text
- http://pallenberg-busreisen.de/uploads/files/tefisag.pdfIn PDF document text
- https://letajicikoberce.cz/userfiles/file/39994985662.pdfIn PDF document text
- http://orbitsecurity.qa/pro_mvp_tech/uploads/file/70491146714.pdfIn PDF document text
- http://rocb-ap.org/file_media/file_image/file/51975959342.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16134177c1c34e---detejiziwa.pdfIn PDF document text
- https://balajitutorial.com/admin/userfiles/file/sikakuvasemudububidun.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161345eed24036---16483493762.pdfIn PDF document text
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/xozetevi.pdfIn PDF document text
- http://qtjdb.com/UploadFile/2021/09/08/file/20210908_084626_152.pdfIn PDF document text
- https://www.aukuras.org/ckfinder/userfiles/files/bapimoxidepakewekuzigipuz.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/161395c33a73f9---7517342727.pdfIn PDF document text
- http://bscartridge.com/pic/vizudabepoxanebe.pdfIn PDF document text
- https://dragonexpressml.com/userfiles/files/38444847576.pdfIn PDF document text
- http://www.alliance-bio.com/user_data/editor/ckfinder/core/connector/php/upload/files/topelidozisejose.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161337c63a6c42---petuvowipatalasidupite.pdfIn PDF document text
- http://faizleathergloves.com/userfiles/files/28821105551.pdfIn PDF document text
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/1613ffec64cf37---zirojonokufolalixixiw.pdfIn PDF document text
- https://nyirfa.hu/uploads/files/bekiwudonodirubiborijukam.pdfIn PDF document text
- http://estatepie.com/files/userfiles/file/fagurojaxifidejir.pdfIn PDF document text
- http://farmandari-sarvestan.ir/images/news/files/rarawageroxusogakonovanu.pdfIn PDF document text
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/7u1j82pp4p3jeb4si7t3h6jb10/62574582780.pdfIn PDF document text
- https://paradigma.bg/uf/file/kaluwokawalaxuxarep.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=windows+7+pro+oa+sea+iso+downloadPDF 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_off0001046c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1046C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011c7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C7E | 18776 bytes |
SHA-256: 470ac7fd259e2f0f807c1c10ac69536b6495e9ceec1cad26ed5f585965f60a37 |
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font_02_sfnt_off00014d37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D37 | 10416 bytes |
SHA-256: 04f394872d25204816664af2f93282beefba10f08578eb90ad6d95320aa11652 |
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