MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external URLs, some hosted on compromised CMS uploads. The document body is heavily obfuscated and appears to be generated content rather than user-readable text, reinforcing its role as a lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://vswet.ru/f/wodibofezibavemoxaf.pdf In PDF document text
- http://ramayafaith.net/clients/64268/File/35954636040.pdfIn PDF document text
- https://kalitelivideoizle.com/resimler/files/98838573846.pdfIn PDF document text
- http://metabolit-plus.ru/files/file/feleloko.pdfIn PDF document text
- https://dcimx.com/files/divazinimedumaju.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a8ddb2842b1---61120884642.pdfIn PDF document text
- http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/3dbnrr2do6t4g2rh0u4ch819u4/63386525717.pdfIn PDF document text
- http://clinicaveterinariagoitese.it/userfiles/files/5438588587.pdfIn PDF document text
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/b0hc4vh2ivj67rj3mcq195p1p7/31029144445.pdfIn PDF document text
- http://grandinhr.eu/images/user/file/zarofunimakesopekaraka.pdfIn PDF document text
- http://standardamulet.com/files/files/nukegagasak.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/161141464cd073---gusefugorade.pdfIn PDF document text
- http://atsolution.org/userfiles/file/20210826064418127218626.pdfIn PDF document text
- https://espritgt.com/userfiles/file/41299700826.pdfIn PDF document text
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/v2ogs0f1kkvvr5fbel7to9r0gt/samufenoxuvu.pdfIn PDF document text
- http://vanxuantravel.com/upload/files/fawamijod.pdfIn PDF document text
- http://kunbot.com/upload/files/romogevikuwavuweki.pdfIn PDF document text
- https://bibliothequeanglaise.org/upload/files/taxasagimosuriwuve.pdfIn PDF document text
- https://viettrungson.com/media//Files/gerazakatazagiramosaka.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608328c36b265---11456692022.pdfIn PDF document text
- https://premium-house.uz/images/file/kanibokexozadupa.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=oxoid+culture+media+manualPDF 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_off0000c331.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC331 | 17560 bytes |
SHA-256: 6358ad1386077b23eb59f3a9133f417a03a56834af5e9003269da0e34b8afdb6 |
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font_01_sfnt_off0000f0e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0E6 | 10592 bytes |
SHA-256: 3115bbb81a59c35245941bf38f759f056abbeb5b6a5aeef82901d0dcc9e52650 |
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font_02_sfnt_off0001090c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1090C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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