MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF sample was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It functions as a link farm, with numerous embedded URLs pointing to compromised CMS upload storage and disposable hosting. While no scripts were explicitly extracted, the nature of the embedded links suggests a phishing or malware distribution attempt, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c1df3be3c8f---bixijalexefopunegusofakuv.pdf In PDF document text
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/13bcb32e39177449cc5ea15871baf643/wodixamabuvamon.pdfIn PDF document text
- https://lensprovn.com/ckfinder/userfiles/files/melelutuxunovujatigipilox.pdfIn PDF document text
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/c4d4a1b773bd29be98818d8e0be8d1a6/67172069125.pdfIn PDF document text
- http://avs-market.ru/admin/ckfinder/userfiles/files/51300712734.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a97a88b94e6fa31625794f1a3275f524/47210020778.pdfIn PDF document text
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/2a6ba2464190eb56411ba41726cf23f5/bezimajulofixegunomi.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076ee319b346---wejonotetanufijojesalaba.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0357dc4451---tiketedake.pdfIn PDF document text
- http://kaies.cn/upfiles/21070417113783420845ngs8.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f21b523a94---58418621316.pdfIn PDF document text
- http://alimentosldm.com/userfiles/file/66585778103.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16077713520485---kidixed.pdfIn PDF document text
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/16079162f13cc1---nofeb.pdfIn PDF document text
- https://vinniescustoms.com/userfiles/files/533203234.pdfIn PDF document text
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/fm5ne91g5lb6u47pfl1dov7lkv/25677057500.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/54f5bfeda5a8aefeaddc7937f3614d4b/samamidituguvonu.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afa2afd3c35---wapoduzekuzememaw.pdfIn PDF document text
- http://sl-light.ru/design/img/upload/file/48260918194.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096c3d84bc81---90220509909.pdfIn PDF document text
- http://www.tsahimmongol.com/uploads/images/files/76176878522.pdfIn PDF document text
- http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/suzefemuwes.pdfIn PDF document text
- http://trans-serwis.com/userfiles/file/jawurisatuzoxebokejep.pdfIn PDF document text
- http://ineke-ott.nl/keramiek-beelden-imagesfile/39392703546.pdfIn PDF document text
- http://tpdw.pl/userfiles/file/95660610591.pdfIn PDF document text
- https://nisahanpin.com/calisma2/files/uploads/lilululega.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=pc+cmos+cleaner+2.0PDF 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_off0000ec0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC0F | 17192 bytes |
SHA-256: 4f31e6ac12cfe53d7b1dd047dd9093cb7c762e260f911c1c75139dedc44e5a97 |
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font_01_sfnt_off000118c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118C1 | 10508 bytes |
SHA-256: ddccd16e8b3869f9d4afb5bbd59515a3ffd91375b0713d46421c9eafe4deeda5 |
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font_02_sfnt_off000130ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130BA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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