MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised WordPress sites and disposable hosting domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. No scripts were extracted, but the structure and URLs are indicative of a malicious link distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://ankaser.com/userfiles/file/9615986111.pdf In PDF document text
- http://group-anons.ru/userfiles/files/66284836520.pdfIn PDF document text
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/43bd62442c3a02592755c2c78363c0b3/67689472822.pdfIn PDF document text
- http://bmcnx.com/userfiles/file/9262264494.pdfIn PDF document text
- https://dagvandearchitectuur.be/_files/file/38302275760.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca0644a255a---dibidajotopalavulex.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160774c615e983---fasuxujeregenorurakorut.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-5-2/20210502112408633152.pdfIn PDF document text
- http://alexhofford.com/temp/files/file/97108578138.pdfIn PDF document text
- http://jatyn.cn/upfiles/202105/file/1621542673.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/e0580f315af0ac7acdd14caad1d5fc73/wusafavadovenogukubosenef.pdfIn PDF document text
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/18d3e8662a6e2fd46c2d254082db2855/33918013384.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4a38188bc1---wivelikozelob.pdfIn PDF document text
- http://anaminfo.com/attachfile/file/31851980978.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160cc679f05631---titijonibonisavinixe.pdfIn PDF document text
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/u52u5f82goa7e0d2uosqiv1kh0/205528705.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=material+traceability+procedurePDF link annotation
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/0ba6a6b6f995420f0842271849813e1c/kumujetuzotidefuxadeselen.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_off0000dade.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDADE | 16716 bytes |
SHA-256: 9167ac746f5671fb8120321e174bb2f1e284736745672ed0ba718c7ed62a95b1 |
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font_01_sfnt_off00010620.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10620 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E37 | 10584 bytes |
SHA-256: 3d0ff0980f525796bf9b5b21ab05f060f35dbb8b775a741b3cd23874f05064e3 |
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