MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many pointing to compromised or disposable domains, indicating a link farm designed to distribute malicious content or phish users. ClamAV and ML classifiers confirm its malicious nature, flagging it as a phishing trojan. While no scripts were directly extracted, the structure suggests it may exploit PDF vulnerabilities or lead to further malicious downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://geotersrl.it/file/gozutikuta.pdf In PDF document text
- https://livermore.com/wysiwygfiles/file/gazefusesoseneremob.pdfIn PDF document text
- http://shinies.ru/img/lib/file/62249526773.pdfIn PDF document text
- http://kibbkw.com/uploads/file/bukifofolox.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/sijurudisejij.pdfIn PDF document text
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/qg06ridpsf5q98up28pn8oeo6c/moxotenojukezepaxilak.pdfIn PDF document text
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/41c9cf43f28f3aaa9f385c37f7d70cfe/lenawejabobavamot.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613154a1675b3---46139612721.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133bfd80d2a9---pilepabiredokoxewegapa.pdfIn PDF document text
- http://nbnjl.com/userfiles/files/fakezagefutiwuxa.pdfIn PDF document text
- https://migger.dk/userimages/file/mafamaxalisaw.pdfIn PDF document text
- http://grossbuch.com/upload/file/pewanudetiraxaniminev.pdfIn PDF document text
- http://americasbestwingsbeltsville.com/uploads/files/jezixovafuwewusaxoxemavob.pdfIn PDF document text
- https://newsru.md/upload/userfiles/files/19005134136.pdfIn PDF document text
- http://gayaarchi.com/userfiles/file/20210905165536.pdfIn PDF document text
- http://susasoft.com/upload/userfiles/files/87834929323.pdfIn PDF document text
- https://ukmriptek.org/codeIgniter-hmvc/userfiles/files/vukuviduke.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/6e20c8768e190d96864dfc685d5df0c6/39129545528.pdfIn PDF document text
- https://dcmheavyequipment.com/admin/images/file/siposegigiku.pdfIn PDF document text
- http://polymer-optix.de/userfiles/file/nosefumofamefur.pdfIn PDF document text
- http://enotecagaribaldi.it/userfiles/files/76334616670.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=douglas+adams+marvinPDF 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_off0000c44f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC44F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC66 | 10528 bytes |
SHA-256: 90e20b5a5fa69feec3d90d600b29c5cb60f523372781bde34d50a3ceb725c066 |
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font_02_sfnt_off0000f413.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF413 | 18040 bytes |
SHA-256: 2102dd7b79d07fa3af47ffb8ba72c8b40daa13f32b90a4be24226e03907eacfe |
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