MALICIOUS
132
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, which is a common technique for executing malicious code within PDF documents. It also features a link farm pointing to multiple compromised WordPress sites and other disposable hosting, suggesting an attempt to redirect users to malicious content. ClamAV detection further confirms its malicious nature as a phishing trojan.
Machine Learning
- Nyx PDF Classifier suspicious score 0.2910
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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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://oio.cn/uploadfiles/files/juxuzilogawoz.pdf In PDF document text
- https://network-italia.it/file/88685392797.pdfIn PDF document text
- http://princeverma.in/uploads/files/wadezuxavolulerob.pdfIn PDF document text
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d99c550670a---bafoduvaselejopenaputu.pdfIn PDF document text
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a26231423d8---45981790756.pdfIn PDF document text
- http://palyavalaszto.hu/teszt/upload/file/98574195164.pdfIn PDF document text
- http://tuhs1970.com/clients/a/ac/acc339db084e87cdfae31a76a6c96f1c/File/zugamufezosutewirow.pdfIn PDF document text
- http://szentimresiklos.hu/upload/file/valozuzulap.pdfIn PDF document text
- https://rdsdealers.com/ckfinder/userfiles/files/94675769013.pdfIn PDF document text
- https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/5d9671d0b25ca4631bf5c8ae75667b99/jurojixadefaxurabir.pdfIn PDF document text
- https://sofanet.ro/ckfinder/userfiles/files/99132321588.pdfIn PDF document text
- http://kjphotocon.org/data/userfiles/files/80345317267.pdfIn PDF document text
- http://reicar.dk/userfiles/file/kufejo.pdfIn PDF document text
- http://afslab.asia/upload/files/57232162391.pdfIn PDF document text
- http://barudan.hk/UploadFile/file/20210629122647044.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1608ced89b7d6c---wetinate.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/5da3ec1f8ae6a2c95c54b386dbd01ebc/wirazedosobezixiwenov.pdfIn PDF document text
- http://wasserentkalkung.at/ckfinder/userfiles/files/93359961351.pdfIn PDF document text
- http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210621140645930397ldymod.pdfIn PDF document text
- http://kiuruvedenlukio.fi/tiedostot/file/61216289459.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160d5533a12470---29676775686.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160ba0a038133d---41916867413.pdfIn PDF document text
- http://wimborst-ceramics.nl/ckeditor/ckfinder/userfiles/files/vufofefedovanube.pdfIn PDF document text
- https://aquafilling.com/userfiles/file/81669701770.pdfIn PDF document text
- https://thehero88vip.com/ckfinder/images_store/files/feluseliriv.pdfIn PDF document text
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a4689d5cd2---penapovemoriroza.pdfIn PDF document text
- https://www.bakirkoytemsilcisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b04f0849b---dukidevubilipowo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=factors+affecting+tardiness+of+students+in+the+philippines+pdfPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED9D | 18320 bytes |
SHA-256: eb9581739f0837dac3f600527cdae4d80301a64ecb42d779706162f739161e2e |
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font_01_sfnt_off00011bb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BB4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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