MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users to potentially harmful content. The presence of multiple external URIs and link farm heuristics strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://kristaldicarlo.com/userfiles/file/10351668221.pdf In PDF document text
- https://iveducentar.com/uploads/assets/file/25302072344.pdfIn PDF document text
- https://vjlabor.pitscovn.com/uploads/Upload/files/85476429632.pdfIn PDF document text
- http://farmaciafoglia.eu/userfiles/files/62307705204.pdfIn PDF document text
- http://budaors.varosom.hu/userfiles/files/banigupikovew.pdfIn PDF document text
- https://rimi.sk/userfiles/file/xawumaxinezozumokipaveso.pdfIn PDF document text
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/781bfad2d3404162189e0c9e51cff719/fapivelo.pdfIn PDF document text
- https://fitness-sport.it/userfiles/file/57246102921.pdfIn PDF document text
- http://www.bluefashion.cz/ckfinder/userfiles/files/mekonodowep.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613d7e460df02---xodafegaxewenozepimip.pdfIn PDF document text
- http://anadolumatbaa42.com/genelresimler/file/gotuzusovodunixapifomalu.pdfIn PDF document text
- http://conblocmanado.com/pics/file/savej.pdfIn PDF document text
- http://weforyou.it/userfiles/files/28330447853.pdfIn PDF document text
- http://smm-mm.com/uploads/news_file/4763431057.pdfIn PDF document text
- http://energcomb.net/cms_enercomb/sgi_userfiles/userfiles/files/87950047005.pdfIn PDF document text
- https://windsbs.biz/files/file/xudijune.pdfIn PDF document text
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/f4311292ff657e74393f7b403c15bcba/noradepifake.pdfIn PDF document text
- http://nacyc.jp/Upload/file/velisowutaxenapo.pdfIn PDF document text
- https://lensprovn.com/ckfinder/userfiles/files/75694441512.pdfIn PDF document text
- http://sun-tes.ru/files/file/nilakixogo.pdfIn PDF document text
- http://americansemitruckparts.com/d/files/tuwunuribarowilif.pdfIn PDF document text
- http://freestyler.cz/img/file/98481454949.pdfIn PDF document text
- https://bevillelecomte.ovh/ckfinder/userfiles/files/wepokutusudugeluxaroxobiw.pdfIn PDF document text
- http://dh-cell.com/ckfinder/userfiles/files/13054005013.pdfIn PDF document text
- https://repairbase.net/FCKeditor/editor/filemanager/connectors/php/images/file/litavabuboguseli.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=easeus+apk+downloadPDF 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_off0000d7b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7B1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000efc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFC3 | 17868 bytes |
SHA-256: c64bbe51406a9f48fe97e48805d12b29850d9444d1f3e58b8a4399d742c07edd |
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font_02_sfnt_off00011dc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DC5 | 10356 bytes |
SHA-256: 1a5fc05b738452abd15f9a772478b4ba07c2d002bc8488529903f14235e709d9 |
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