MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple compromised WordPress upload locations and other disposable hosting sites. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests the document may be intended to trick users into downloading a password-protected archive, likely to bypass security filters.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://philabc.ru/uplcv?utm_term=how+does+bacteria+reproduce
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c712df71ab5---rigudolajapililole.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5ea82850be---72406222722.pdf
- http://3qbuy.com/CKEdit/upload/files/49853741712.pdf
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/j1hqrpsdmll63dgoeu12fn19oc/palijakezitogupox.pdf
- https://hzautomatisering.nl/userfiles/file/1255237060.pdf
- http://gabortech.com/admin/file/wiferozejonegusidikasowox.pdf
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/5lgvcvkjf4nick2evkcm8sfvf0/47108356625.pdf
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1608f851b74cb3---bifukerekapoleda.pdf
- https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/72370a493a53a8a7e0d16be63fa17975/pinikab.pdf
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/d5260ecd6e7a920e5a61d09e8c05c69b/76752069918.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a2315e1948d---33494065294.pdf
- http://luatsubienhoa.com/upload/ck/files/10650124878.pdf
- https://kaptenhoki.info/contents//files/wesevi.pdf
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8e4f7ca8d---ribodopatuvibemimomutel.pdf
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/bffc55d1282a3dfbae4a5cebd10e8a7f/48070019241.pdf
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/9403c0fd03d689c1b7e8e4890d248878/wunozufexe.pdf
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c60e37f017a---1913731113.pdf
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/80f2694ef5a50a68188f0963c7cd579a/xilifivivewepaxaziwuw.pdf
- http://desagresbrts.com/clients/34568/File/refipafesa.pdf
- http://pathtojanna.com/userfiles/files/94373368685.pdf
- http://agiusfuneraldirectors.com/files/file/belulum.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_off00026122.bind10efaf0607a69bb6519bc70687976660bd183200b05a577b77ada51c12529e5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x26122 | 10676 bytes |
font_01_sfnt_off0002798e.bin6d9f496ba9af6bf62e507e58d9797b483d275c7f7f05724358a8a556e8f7ccc4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2798E | 21472 bytes |
font_02_sfnt_off0002afce.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2AFCE | 16792 bytes |
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