MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and link farms hosted on compromised or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were extracted, the structure and URL patterns are consistent with a spearphishing attachment designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://crysiq.ru/uplcv?utm_term=how+to+draw+a+chameleon PDF link annotation
- https://groupunsur2.com/contents/files/bovuteg.pdfIn PDF document text
- http://papaicountrylodge-longstay.com/user_img/files/49878754219.pdfIn PDF document text
- http://tnetimes.kr/upload/file///sawirukaboj.pdfIn PDF document text
- http://24cvety.ru/upload/files/38530200245.pdfIn PDF document text
- https://dienmayngalinh.com/img/files/39132800071.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3650cdf41---44624748058.pdfIn PDF document text
- https://www.prieur-equipement.com/ckfinder/userfiles/files/40429129050.pdfIn PDF document text
- http://wdnederland.nl/file/39029113686.pdfIn PDF document text
- https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/898ee8be7dcd34a67ebc548df11d0799/28940431927.pdfIn PDF document text
- http://www.gc-antey.ru/ckfinder/userfiles/files/84254036458.pdfIn PDF document text
- https://rougezenekar.hu/files/file/43984481901.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16136f5a50e173---vediteme.pdfIn PDF document text
- https://299-45.com/CKEdit/upload/files/pofanodipa.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ccec852cd7---tomomeneraridajojupajo.pdfIn PDF document text
- https://dlt-nkp.com/fileupload/file/86343730126.pdfIn PDF document text
- https://maymac.info/userfiles/file/38283331661.pdfIn PDF document text
- http://biosurfest.com/userfiles/files/27035734304.pdfIn PDF document text
- http://eurogeographyjournal.eu/admin/fckfiles/file/89127550637.pdfIn PDF document text
- https://bostaninsaat.com/image/files/wuluvunokamedipenajip.pdfIn PDF document text
- https://nusantarabet4d1.com/contents/files/mimuzawobesek.pdfIn PDF document text
- https://riondene.ch/img/uploads/file/32994675818.pdfIn PDF document text
- https://mayphotocopydogia.com/upload/files/91093760323.pdfIn PDF document text
- http://enjoyisagenix.com/ckfinder/userfiles/files/57598792929.pdfIn PDF document text
- https://weekendtripskolkata.com/userfiles/file/veziwikexobipes.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_off0000d43d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD43D | 17480 bytes |
SHA-256: c9391ca6e9bf712f4323ae1521300f7d5ad1949eb389d7395557899a4c26d9fc |
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font_01_sfnt_off0001017e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1017E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011995.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11995 | 10452 bytes |
SHA-256: 55e47bd7b7ff588ea0b7c80b8cf747a7b48ed9aa9719ec71cee0f3a4a2a7d14e |
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