MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised CMS upload directories and disposable hosting domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature, with the latter identifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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 http://business-plan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/susogadapex.pdf In PDF document text
- http://ilsungwarehouse.com/userData/ebizro_board/file/bevifagetuzaxuluvejo.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/3b9f9273bf9ac4937c0a9b06643205b9/vajebajo.pdfIn PDF document text
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/5a5a1fc9d3eb6303a40fed00191ac070/94717019619.pdfIn PDF document text
- https://chetanaus.org/bheru/uploadfiles/file/xewulozulabe.pdfIn PDF document text
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/c20273560598ee6489e974c5e94d2402/toperutilevekapa.pdfIn PDF document text
- http://cambridgekapurthala.com/damana/userfiles/file/9683645376.pdfIn PDF document text
- http://xn--80aaffebba2apgigwiiececnggk9e4k.xn--p1ai/pict/file/lotalekowedaxe.pdfIn PDF document text
- https://annekienlen.fr/imagesfile/baxusuxevugilokobivuzudo.pdfIn PDF document text
- http://amblesidewindermere.ca/fckuploads/images/file/kijedinovopobadefilesisiv.pdfIn PDF document text
- https://grootformaatspandoeken.nl/userfiles/file/kavomaxonitugusesunedip.pdfIn PDF document text
- http://allnatureint.com/userfiles/file/18706638608.pdfIn PDF document text
- http://www.kotolantopeni.cz/files/57150749360.pdfIn PDF document text
- http://fst-uinsu.net/userfiles/files/buxavopafu.pdfIn PDF document text
- http://comp-art.ru/userfiles/file/vekiboxurilito.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/9gs0jf3bb0s6m9erpphlcdmg8m/11093817556.pdfIn PDF document text
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160aa17d51cf3b---bojenilinevofawanimumewe.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609719289b396---tataperiduderisax.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087ba6c167aa---27278904012.pdfIn PDF document text
- https://jcmimoveis.com/userfiles/file/mufejunuvusokuxej.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=joining+pdf+documents+freePDF 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_off0000d0da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0DA | 17504 bytes |
SHA-256: 92421addfe1b2f3a9a70be25973e51d31e6577245d40b846b0ee16d00cf3ad94 |
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font_01_sfnt_off0000fe0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE0A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011621.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11621 | 10844 bytes |
SHA-256: 0577e371e30e62ec7625e32ca05e3584c714cca6826e9c59eddb9aeb00fcf37c |
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