MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous external links, many of which point to compromised WordPress uploads or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the PDF_URI heuristic indicate an attempt to redirect the user to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://queure.ru/uplcv?utm_term=omnisphere+2+full+download PDF link annotation
- http://jngf.cn/files/file/vukopigijejedefuxipigizuv.pdfIn PDF document text
- http://baove24h.info/upload/files/79022434698.pdfIn PDF document text
- https://nmcs.ca/userfiles/files/nurigudakobefenezuz.pdfIn PDF document text
- https://chataigne-cevennes.fr/imgs/files/53613101161.pdfIn PDF document text
- https://thuaphatlaihoanghuy.com/uploads/files/53401356168.pdfIn PDF document text
- http://marcobernini.it/userfiles/files/87193227079.pdfIn PDF document text
- http://gmart-express.com/demo/uploadpic/file/vifasumuluses.pdfIn PDF document text
- https://ist-lb1.istanajp.com/contents/files/54883433449.pdfIn PDF document text
- http://sintellect.ru/Repository/file/45469540007.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/207d17a9435fe48613623a0955c4e418/soluxipa.pdfIn PDF document text
- https://vildmarksjagt.dk/userfiles/file/finajokax.pdfIn PDF document text
- https://groupburuemas2.com/contents/files/junesewisubigaz.pdfIn PDF document text
- http://www.la-rocca.pl/app/webroot/files/files/29584307224.pdfIn PDF document text
- http://ccsl.asia/files/92832000734.pdfIn PDF document text
- https://coil.hk/upload/files/vibixot.pdfIn PDF document text
- https://baglab.pl/galeria/file/65436175010.pdfIn PDF document text
- http://cuacuonnhaxuongbinhduong.com/upload/files/61172820219.pdfIn PDF document text
- http://www.rify.us/cms-uploads/files/4301515343.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/ccdtsjicfr2hin0ioiepcvar07/86945562860.pdfIn PDF document text
- http://kosmonautika.ee/ckfinder/userfiles/files/jotufefobuperat.pdfIn PDF document text
- https://tlproduct.com/userfiles/file/vufasuwam.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161381baf6155d---fumigodapalitadax.pdfIn PDF document text
- http://bigcool.net/webroot/img/files/nosemanab.pdfIn PDF document text
- https://scout-educationguide.com/userfiles/file/zexedemedividuxi.pdfIn PDF document text
- http://krallarintavugu.com/upload/file/57363131195.pdfIn PDF document text
- 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_off0000e072.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE072 | 10996 bytes |
SHA-256: 752b78ae15c79bd254374ac9acde35ee8da591e65338a815717d5bfeadbb7e33 |
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font_01_sfnt_off0000f9d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9D9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000111eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111EB | 17376 bytes |
SHA-256: 0af518fe90bb4af37ecdc111728eca95599636f3859620ec03a0741c03f6afc5 |
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