MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and a machine learning classifier. It functions as a link farm, containing numerous embedded URLs that point to compromised WordPress sites and other disposable hosting. These links likely serve as a distribution mechanism for phishing or malware, leveraging the document as a lure. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 6
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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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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://wastran.ru/uplcv?utm_term=millie+bobby+brown+emmys+2018
- https://balbok.net/admin/ckfinder/userfiles/files/81968191561.pdf
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e88669b81---73467096641.pdf
- http://mooneyes.pl/userfiles/file/26541674268.pdf
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/5c7381dbd596f9df367f7553ec0e9e3f/24268692233.pdf
- https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/8qjtu7rne71bd3edktllunrb04/duzomokuvivaz.pdf
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/fa426694ff5192bd8a6ef13ea0d59b98/19919481951.pdf
- https://swift-tw.com/lcc/upload/files/9138727236.pdf
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/h6pv72e9oj4s19ilb81sn0dv01/73559332956.pdf
- http://execdentalclinic.com/uploads/ckfinder/userfiles/files/86699801908.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/7d540791e655c89346abdaab28b91f85/xanobabakone.pdf
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/3705acc9c138034876e68bddd43ac8f3/26080462412.pdf
- http://aldo-ins.com/userfiles/file/73612261704.pdf
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/9vcjvhc991hq48u92dltn042n7/pudefupamesi.pdf
- http://manavpublicschool.org/manav/userfiles/file/66010181115.pdf
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ac21e59ebe---5433501561.pdf
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091be66b7e03---56811883815.pdf
- http://tscyw.net/userfiles/file/20210621055314_3oc36o.pdf
- http://aaaexpressheating.com/userfiles/file/vefizazutuwazuvizidesubox.pdf
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/5e64b7a20de2a01a5ab041c6e9b38418/lalewavuvaguzimejozed.pdf
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609a0b28b65b8---23642154740.pdf
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/9aced03fc3ab09a0ba12b9c0642bf1d8/15055295760.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/1328f4eea30703bca9698bf907b550e1/61314633487.pdf
- http://buddhavehicle.com/userfiles/file/51869856075.pdf
- http://uniquehotelsolutions.com/files/others/60865207748.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_off0000e41b.binfd642613d54c35fa32d2ee2e2b7929d1de2ad1b8b9ff8f9fd59901282d3bb625 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE41B | 17372 bytes |
font_01_sfnt_off000111a7.bin576e135121e5937ff5e82b7a8817877d17ab83b2b9d658842374e6b2529d7df1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111A7 | 10844 bytes |
font_02_sfnt_off00012ac5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AC5 | 16792 bytes |
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