MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URLs, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm or phishing lure. The presence of embedded JavaScript, though obfuscated, likely facilitates the redirection to these malicious sites, serving as a downloader or phishing front.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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://drafthe.ru/uplcv?utm_term=brand+valuation+methods+pdf PDF link annotation
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/c51e19b1692a9ead50e5bf2d592f67c9/xugamejem.pdfIn PDF document text
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160fba8a55e22a---97334245022.pdfIn PDF document text
- https://inmaabiladi.com/userfiles/files/37804114832.pdfIn PDF document text
- https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/1o6k5ettvmi6mkqelagqfdhq36/40113342811.pdfIn PDF document text
- http://szyqjsj.com/UploadFile/file/20210814123032664.pdfIn PDF document text
- http://bonfiremadigan.com/uploads/fckeditor/file/53753299761.pdfIn PDF document text
- https://mytekas.com/UserFiles/file/8486843910.pdfIn PDF document text
- http://ingatlantv.tv/userfiles/files/91990221449.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b993e195c3f---57072097174.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/b9vc6htg1it1brnffu6ap81ai7/58965300453.pdfIn PDF document text
- https://pharmnet.cz/ckfiles/files/files/valab.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/cbe0452435efa7a3b3c9b3ca4a60b6a6/287616646.pdfIn PDF document text
- http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/41369853832.pdfIn PDF document text
- http://metallpress.ru/files/zukililikitujupog.pdfIn PDF document text
- http://harperfamilyreunion.net/clients/3/35/3566a42c83b0accea4ba2bdfee5c7976/File/naxerabasisotizi.pdfIn PDF document text
- https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/99423715c93efce224ef49d8ed29f34a/94752433886.pdfIn PDF document text
- https://esprimagroup.com/userfiles/file/28851812471.pdfIn PDF document text
- https://dp-engineers.com/admin/userfiles/file/govijepir.pdfIn PDF document text
- http://karate-talence.com/newsite/userfiles/files/zilitosukezuwejoxuw.pdfIn PDF document text
- https://ap-qatar.com/userfiles/files/fobozo.pdfIn PDF document text
- http://www.prunay-en-yvelines.fr/ckfinder/userfiles/files/68399974699.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d463.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD463 | 17140 bytes |
SHA-256: 528623df1c37b945e35dac18618be38ca0916dbd6d4d9c4c6352893832d178bd |
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font_01_sfnt_off0001007c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1007C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011893.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11893 | 10980 bytes |
SHA-256: 1531a43f358513ac15fcf4537c274b6832ab59db3b0de9f39712932f4b84d59e |
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