MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document identified as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to compromised CMS upload directories or are part of a link farm hosted on disposable domains. The primary purpose appears to be redirecting users to external sites, likely for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://garglob.ru/uplcv?utm_term=all+in+one+whatsapp+stickers+app+download PDF link annotation
- http://wasserentkalkung.at/ckfinder/userfiles/files/1996406824.pdfIn PDF document text
- https://eastmangroup.org/ckfinder/userfiles/files/wiwefoxowupu.pdfIn PDF document text
- https://kingbakerypans.com/userfiles/file/9302008366.pdfIn PDF document text
- http://bualuang101.com/backoffice/upload/files/98762209462.pdfIn PDF document text
- http://paillasse.hu/userfiles/file/35699023994.pdfIn PDF document text
- http://www.hon-ro.hu/userfiles/files/tikebuvudumofoveziwiz.pdfIn PDF document text
- https://1877painters.com/FCKeditor/file/9472862118.pdfIn PDF document text
- http://quranday.org/userfiles/file/kitumololazadumafasefape.pdfIn PDF document text
- http://psychologyforeverybody.com/ckfinder/userfiles/files/24298643148.pdfIn PDF document text
- https://delaneyllc.com/ckfinder/userfiles/files/14498585274.pdfIn PDF document text
- http://ltpbetel.ro/userfiles/file/vawasoferudexofaxanav.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/161362e1e4b54f---3401399052.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16132995a5c558---rixozesipuwotageb.pdfIn PDF document text
- http://rund.cz/UserFiles/File/jejuruvadasab.pdfIn PDF document text
- https://songhong.info/userfiles/file/wujaguxopivomavubomewarej.pdfIn PDF document text
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/161405b53a3dba---newubosemubupikadeseraw.pdfIn PDF document text
- https://rtquery.reitoken.org/Coaching123/images/files/30595847628.pdfIn PDF document text
- https://mimpidia.com/contents/files/19001940438.pdfIn PDF document text
- http://leinerpakgelatine.com/survey/userfiles/files/80369019246.pdfIn PDF document text
- https://suadienlanhhanoi.net/upload/files/jujusetomifivinomi.pdfIn PDF document text
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/eb3490b0647c4f9bc10d3417d58a13f2/44934684249.pdfIn PDF document text
- http://phamtrangia.site/upload/files/60535666813.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613bd9969c6b1---torobizemavi.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_off0000b9a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9A2 | 10772 bytes |
SHA-256: 774e9c3603db7304176faa94b4b1de519fa6eda82a4d94f2d77c4906792d033f |
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font_01_sfnt_off0000d274.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD274 | 16320 bytes |
SHA-256: 85388d572d8195f998f8d5212a3d5dc168869e72baea68537406c24907a920c6 |
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font_02_sfnt_off0000fc10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC10 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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