MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external sites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of a 'Password-protected archive lure' heuristic indicates that the document likely instructs users to obtain a password for a separate archive, a common tactic to bypass gateway security. ClamAV detection and ML classification further confirm its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://synerhu.ru/uplcv?utm_term=super+mario+3d+land+download+rom
- https://atiksigorta.com/files/36017781475.pdf
- http://topstec.com/d/files/49825447204.pdf
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/c1116ef29dc9ed3e6f6c5d85fbbd6660/10723941575.pdf
- http://svadbavmoskve.com/content/xuploadimages/file/7941840140.pdf
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/9hu7rnfou2ejpsj844i6tl3p31/guruz.pdf
- https://samuelben-horin.com/userfiles/file/polakepaluzafudaw.pdf
- http://bettaletroom.com/file_media/file_image/file/22540701033.pdf
- http://inphilong.com/upload/files/34146685917.pdf
- http://laibros.com/ckeditor/userfiles/files/turikirisanivowuregiv.pdf
- https://ottopianos.nl/files/482239977.pdf
- https://ibextrail.com/editor-images/59510344362.pdf
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bd70d84309---3979398646.pdf
- http://www.gleason.com.au/application/third_party/ckfinder/userfiles/files/rofagi.pdf
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/88e8e82ea8ecc4403e5304d9014225de/49345538514.pdf
- https://radekslodkiewicz.pl/files/file/99962313768.pdf
- http://anhhieu.vn/hinhanh/file/81431397683.pdf
- http://1000projects.ru/upload_picture/file/tajis.pdf
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408046c78dd---26111528036.pdf
- http://nationalherbo.com/userfiles/file/zibazulapelewasuxegedaz.pdf
- https://ecoledesgourmets.com/userfiles/file/zerozidolovulokosere.pdf
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/161376ddd45aac---82066588456.pdf
- https://firesystem.ro/imagini_ws/96268336052.pdf
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16133c9644e63a---85949126182.pdf
- http://crosswaysrecruitment.com/userfiles/file/zejaputokurulolopanik.pdf
- 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_off0000c86c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC86C | 16792 bytes |
font_01_sfnt_off0000e083.bin701fbc78f792f2e2bfc7de9abf08a54b882da6c76d45854b082eb03c98990c04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE083 | 10720 bytes |
font_02_sfnt_off0000f917.bin98b78d32855074ce5254d172b5a8edca55daeb4b5972559b0aee25ddd5ff2b73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF917 | 17304 bytes |
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