MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised CMS upload directories. This behavior is indicative of a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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://istrouma1971.com/clients/9/9b/9b88b062b8d6af44b28e209fcb06d7d5/File/kijumifuboxewubazixakuju.pdf In PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4c6649797b---zujol.pdfIn PDF document text
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a29230585ea---vulirinemomegubesaliv.pdfIn PDF document text
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/4ge2p9tkg6qgdvml3lk61jotoc/53822322549.pdfIn PDF document text
- http://rockycheng.com/ckfinder/userfiles/files/migexopuxuruzajobobirodi.pdfIn PDF document text
- https://wct.goldcrownresort.com/magazine_files/files/69411476753.pdfIn PDF document text
- https://bookatowncar.com/userfiles/file/5271085743.pdfIn PDF document text
- http://studiotrusso.it/userfiles/files/mexenojikedaxoxi.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160744179c87e3---84339103273.pdfIn PDF document text
- http://koryosushi.com/uploads/files/lukup.pdfIn PDF document text
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b1bbcd2e16---jidiregesodise.pdfIn PDF document text
- http://zaun-produzent.de/userfiles/file/86780054305.pdfIn PDF document text
- http://yongqingtech.com/d/files/82221019407.pdfIn PDF document text
- http://positiveforce.in/uploads/files/kefos.pdfIn PDF document text
- https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160717caf1ff6a---daxokinugix.pdfIn PDF document text
- http://rakkhunnursinghome.com/user_img/files/senoxupewetu.pdfIn PDF document text
- https://bellcera.60km.com/upload/files/tujafo.pdfIn PDF document text
- http://gancza.pl/userfiles/file/53022067664.pdfIn PDF document text
- https://miguktour.com/FileData/ckfinder/files/20210714_8799302CB99FFE24.pdfIn PDF document text
- http://alfavit.tv/userfiles/file/39207449088.pdfIn PDF document text
- http://globaltruthmediagroup.com/clients/a/aa/aa8380eac451876ae6ab993bf3a720d6/File/legokalox.pdfIn PDF document text
- http://giprozdraw.ru/ckfinder/userfiles/files/tikebivujewelopem.pdfIn PDF document text
- https://transport-vehicules.fr/userfiles/file/93276525065.pdfIn PDF document text
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4c1c330cb---48173947808.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/76826605487.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/0cghrbrjsbja7mq2n0a96narpt/zabefonefexililukemewanu.pdfIn PDF document text
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a2e30cd187---97633037072.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=how+to+learn+ms+excel+formulas+and+functions+pdfPDF 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_off0000ddf8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDF8 | 11060 bytes |
SHA-256: 8804cbe0ad6042393c51d556656f920c0a563d1710751ef356e9da0257e96282 |
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font_01_sfnt_off0000f7bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7BD | 18140 bytes |
SHA-256: e1d24c301f016203797ee14b478bbf72a2056e9493a02f9c98905fbb2f50f90b |
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font_02_sfnt_off000126b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126B2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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