MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a password-protected-archive lure. The file embeds a large number of external links characteristic of an SEO link farm and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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=18+doll+clothes+patterns+pdf+free PDF link annotation
- http://glttek.com/userfiles/file/naraseresojuzatiwodo.pdfIn PDF document text
- http://madmojo.com/fckupload/file/92652107506.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a59b4b8e187---72061776640.pdfIn PDF document text
- http://rainbowcaterers.in/userfiles/file/23726498882.pdfIn PDF document text
- http://blankheich.de/images/uploads/file/dapavijitugavixal.pdfIn PDF document text
- http://technoauto.jp/js/upload/files/63830724209.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/funorobov.pdfIn PDF document text
- http://entryexpress.online/chapter_images/files/97950817997.pdfIn PDF document text
- https://mttrasportisrl.it/dati/upload/file/6766450151.pdfIn PDF document text
- http://permagnet.com/upload_files/file/210809152737995111bcnge3.pdfIn PDF document text
- http://globalbando.com/DATA/upload/files/202107231748513575.pdfIn PDF document text
- http://matstravel.ru/userfiles/file/87900816837.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160855222ed06b---jadikanoluzofumulaxifakov.pdfIn PDF document text
- http://www.fonfe.com/uploads/files/74040484935.pdfIn PDF document text
- https://perfecthospitals.org/ckfinder/userfiles/files/82009817670.pdfIn PDF document text
- http://gz-theoutfit.com/UploadFiles/FCKeditor/20210714152630.pdfIn PDF document text
- http://barudan.hk/UploadFile/file/20210826051001908.pdfIn PDF document text
- http://www.anclupnapoli.it/userfiles/file/mepufofexowe.pdfIn PDF document text
- https://perfecthospitals.com/ckfinder/userfiles/files/23932859576.pdfIn PDF document text
- http://porpora.info/imagenes/imagenes_contenidos///38165668756.pdfIn PDF document text
- http://toyotaquangninh.org/data/dulieu/files/mupofabepidexefobepivudiz.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_off00010376.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10376 | 10788 bytes |
SHA-256: 26c66061c10fa106452f015cf914ef597cf339103db69cbf717c057327c97351 |
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font_01_sfnt_off00011c4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C4A | 18104 bytes |
SHA-256: a1148b5186d1dfafa91e88c1ee348fc17e04105ab055b8ef461daf146edf9fc3 |
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font_02_sfnt_off00014bcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14BCC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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