MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, with multiple heuristics indicating it's a link farm pointing to compromised WordPress sites. The embedded URLs suggest a phishing or malware distribution attempt, likely delivered as a spearphishing attachment. No scripts were extracted, and the document body was unreadable binary data.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a4d420818b---gegozabiruwixibebojodas.pdf In PDF document text
- http://www.fuchingrading.com/upload/file/60846557293.pdfIn PDF document text
- https://shriramsteels.in/public/ckfinder/userfiles/files/30390147630.pdfIn PDF document text
- https://yourdentist.ro/app/webroot/files/userfiles/files/mufuj.pdfIn PDF document text
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff76759cc5---75979562724.pdfIn PDF document text
- https://jimsdelibrookhaven.com/demo/jimsdeli/admin/userfilesfile/12096911582.pdfIn PDF document text
- http://smsgurugram.com/miet/assets/files/67195059579.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e18f5c159d---66137085471.pdfIn PDF document text
- http://budoprojekt.eu/obrazy/file/liporivoxobejum.pdfIn PDF document text
- http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16138e86ea4c5d---metoxef.pdfIn PDF document text
- http://itemclinicchina.com/ckupload/files/63267136789.pdfIn PDF document text
- http://elosc.com/upFile/file///ITX202109011857065456.pdfIn PDF document text
- http://makesomenoise.hu/upload/file/46482116046.pdfIn PDF document text
- http://fields-on-earth.com/images/blog/file/53321383212.pdfIn PDF document text
- http://tractortools.cz/ckfinder/userfiles/files/fixasakupopexatosikif.pdfIn PDF document text
- http://www.hkimm.hk/_bin/ckfinder/userfiles/files/ripuvokala.pdfIn PDF document text
- http://yushendesign.com/images_fck/file/1631496037.pdfIn PDF document text
- http://khonggianmang.com/upload/files/5544606987.pdfIn PDF document text
- http://kirakuramen.com/uploads/files/zisusufokakogafapa.pdfIn PDF document text
- http://galettedesrois.hu/userfiles/file/suzumod.pdfIn PDF document text
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/0b6d10d824f0f093076f947f47782ed7/59016288562.pdfIn PDF document text
- http://orel-trinity.ru/sites/default/files/file/sizagilezejulifimix.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=ambient+light+application+for+android+apkPDF link annotation
- 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_off0000d3a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3A8 | 11112 bytes |
SHA-256: 4c7ce72bb4573441381176c73a77ee2b79895406b4bac617abf20560f740fe4a |
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font_01_sfnt_off0000ecf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF4 | 21412 bytes |
SHA-256: 5fa5022d90fb25e3210861c9ad9de7abb5aefc1319bec7a149ae7bf62f29e51a |
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font_02_sfnt_off000124b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124B8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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