MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics indicate the document is a link farm pointing to compromised WordPress uploads and disposable hosting, likely intended to trick users into downloading a password-protected archive. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 7
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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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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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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://at1-turbo-j3t.com/contents/files/79784608893.pdf
- https://www.blondel-bois.fr/ckfinder/userfiles/files/84554271888.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe3131cf5f---46806555007.pdf
- http://plafondchauffant.fr/img/user/file/49784672723.pdf
- http://cokhivietuc.webthoidai.com/img-vietuc/files/rubalodewugotokelepipoz.pdf
- https://ruiguoex.com/upfile/files/2021/09/03/81094409677.pdf
- http://langfordfinancialservices.com/userfiles/files/nilalemewenogemigegebo.pdf
- http://factblogs.com/uploaded_files/userfiles/files/suwimasezuzak.pdf
- http://appinaris.net/ckfinder/userfiles/publics/files/fasaridafazogowinuti.pdf
- http://yuanjiangchem.com/upload/files/80420470136.pdf
- https://suprizpin.com/calisma2/files/uploads/27172687188.pdf
- http://suachuamaydemtien.biz/userfiles/file/nafiwusodawoxofezixiriko.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613675d42073e---32496161430.pdf
- http://ketnoikienthuc.com/upload/files/wojami.pdf
- http://dgkno.cn/upload/tuteze.pdf
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612efbdd1efb6---75962868136.pdf
- https://conexusinternational.com/ckfinder/userfiles/file/10343098546.pdf
- http://imdad-egypt.com/userfiles/file/40768861249.pdf
- http://kibbkw.com/uploads/files/fotiwip.pdf
- http://dh-cell.net/ckfinder/userfiles/files/82236642806.pdf
- http://biondiairsystem.it/userfiles/files/25553351813.pdf
- http://www.mustwalge.ee/data/content/files/rekatitimaludiser.pdf
- http://www.binghan.my/userfiles/file/dekepelogivo.pdf
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16136ab3ef0ca5---tuzunov.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=chromecast+ipad+chrome
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cc7b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC7B | 16792 bytes |
font_01_sfnt_off0000e492.bin8f1b62cf8b82dfeb8e229471ae42f68f00687348665c76a7742d46a2e8245343 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE492 | 10660 bytes |
font_02_sfnt_off0000fd0b.binfb55e3ad684b2a8f368e1bf03066e67e4723162bef5b2572ef946cb4d43b6037 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD0B | 20792 bytes |
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