MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external URIs and is flagged as a link farm on disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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://ketchas.ru/uplcv?utm_term=pc+games+free+download+hill+climb+racing PDF link annotation
- https://sanagustin.cl/files/ralazulezajupeki.pdfIn PDF document text
- http://fuguchair.com/upfolder/e/files/20210908122629.pdfIn PDF document text
- http://amunt.madteam.net/ckfinder/userfiles/files/96889243581.pdfIn PDF document text
- http://koala-al.com/d/files/judumevowebulo.pdfIn PDF document text
- https://niboparis.com/upload/fckeditor/files/noxukakomat.pdfIn PDF document text
- http://slkuang.com/v15/Upload/file/2021932223261456.pdfIn PDF document text
- http://studiotecnicodambra.eu/userfiles/files/rotorazopujadapo.pdfIn PDF document text
- http://plymouth-logs.co.uk/ckfinder/userfiles/files/mudadapadovot.pdfIn PDF document text
- https://icrs-as.com/userfiles/file/30835823813.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614568b887e74---lizixinelezojilo.pdfIn PDF document text
- https://divanich96.ru/admin/ckfinder/userfiles/files/60355925854.pdfIn PDF document text
- https://duhocblueocean.vn/ckfinder/userfiles/files/weriwutonipakanudawo.pdfIn PDF document text
- http://gorisum.net/fckeditor/upload_file/file/nuwekujomawevelugo.pdfIn PDF document text
- http://retailpark.bg/uploads/wysiwyg/files/1208607413.pdfIn PDF document text
- http://dytac.hk/userfiles/warunajezepujanibupotopuk.pdfIn PDF document text
- https://vongtaytramhuong.vn/upload/files/molijiremunatokuwofobubiw.pdfIn PDF document text
- http://mimarathi.live/assets/ckfinder/core/connector/php/uploads/files/sifijolofopuzufop.pdfIn PDF document text
- http://bharatdarshan.net/rgroup/ckfinder/userfiles/files/kaxadunonukogufubuxore.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16141845f6c299---73578447015.pdfIn PDF document text
- http://kelkenaghshband.com/app/webroot/img/files/91967715296.pdfIn PDF document text
- http://globalfeedindustry.com/upload/files/nusegew.pdfIn PDF document text
- http://baggiez.net/userfiles/file/80065480925.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/6hups4dfv0fhuhigqpkflnhk29/kidajodajabidogomeve.pdfIn PDF document text
- https://mandarinkinesiska.com/userfiles/file/6771982284.pdfIn PDF document text
- http://interstyle.org/content/xuploadimages/file/tusererebawiwetigedoz.pdfIn PDF document text
- https://taxforce.nl/userfiles/files/jizuditoj.pdfIn PDF document text
- http://ageofwonders.buka.ru/sadm_files/6133944922.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_off0000f128.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF128 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001093f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1093F | 11052 bytes |
SHA-256: a2be4246e4fc01c09e6e1a45064f8e04aeac8defef7d3e5ec5bbed326f546eb0 |
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font_02_sfnt_off00012295.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12295 | 18476 bytes |
SHA-256: 19d26a651fbf5053ca4eeb733057f748271b0d33062a4cb53fea019a1e6b0433 |
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