MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external documents, many hosted on compromised WordPress sites, suggesting a link farm for SEO poisoning or phishing. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway security. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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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://tsydesign.com/userfiles/jws/files/457003798.pdf
- https://vipbeachhouse.com/uploads/editor/file/57469410085.pdf
- http://felixefontesadvogados.com.br/ckfinder/userfiles/files/neretikobazogugowat.pdf
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/8f96de6d3b68aaeaf89a51ad1d8e2df2/lobifajab.pdf
- https://drishtinetcom.in/FCKeditor/file/79086554330.pdf
- http://studio-castiglioni.com/userfiles/files/94357248785.pdf
- http://yearbookplus.com/uploads/ckfinder/files/92342181199.pdf
- https://www.lipca.com/ckfinder/userfiles/files/79987357266.pdf
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/161405e102caaa---dejuzapamugil.pdf
- http://citysoupsbellevue.com/uploads/files/lotajozeduzaba.pdf
- http://posekatzahradu.cz/files/file/4867220558.pdf
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161413bee354a2---95071623393.pdf
- https://jss-moms.si/upload/File/30084928279.pdf
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee1cbd6ba3---59762537126.pdf
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161314ee06b848---dezuwu.pdf
- http://rkmaster.ru/uploads/files/dowenaxavibife.pdf
- https://iwanbim.iwan.co/userfiles/files/24168394560.pdf
- http://ducthoaudio.com/upload/files/zekuxuguja.pdf
- http://www.centrosanmarco.eu/img/news/files/javufalikewuwolezu.pdf
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132fbdf80cf7---19628281630.pdf
- http://miroslaws.com/ckfinder/userfiles/files/gepavuzekopewegavonete.pdf
- https://greenfuturevietnam.com/Upload/files/91509940338.pdf
- http://tech-in.info/bramy/userfiles/file/63782666763.pdf
- http://tourhong.com/FileData/ckfinder/files/20210913_5FB1C76B3857B01A.pdf
- http://sirindhorn.net/upload/File/damozesojifixozowalinet.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=cox+email+server+settings+android
- 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_off00010044.bin0a37005bd6d02ceeb36058bca39e1e10a8679b1e5c092dfa41d7301d6c4f25f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10044 | 18180 bytes |
font_01_sfnt_off00012f86.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F86 | 16792 bytes |
font_02_sfnt_off0001479d.binf723be9d374e71dada11ce7587226b334b409ddd4b6fbb85f31aaf7a5ae883ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1479D | 10788 bytes |
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