MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous links, many pointing to compromised WordPress upload storage, suggesting a phishing or malware distribution scheme. The presence of a 'utm_term' parameter in one of the URLs further supports the idea of a lure to download unwanted content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9959
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://archism.ru/uplcv?utm_term=gta+v+mobile+latest+apk PDF link annotation
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16133061f60606---jowivibefinotemuvugi.pdfIn PDF document text
- http://uniquecharacters.com/upload/files/wananopu.pdfIn PDF document text
- http://praconsulgroup.ru/pict/file/wupavokoguw.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/3491663f68bc34a23f3654aac2d9a773/49544144316.pdfIn PDF document text
- http://banghetretunhien.com/media/ftp/file/kavoladuxetakoxojuva.pdfIn PDF document text
- https://kotypsy.pl/ckfinder/userfiles/files/87585371224.pdfIn PDF document text
- https://lanna-flyingclub.com/ckfinder/userfiles/files/fagekisufopuroregi.pdfIn PDF document text
- http://deborahkay.com/ckfinder/userfiles/files/13372677769.pdfIn PDF document text
- http://brenna-ski.pl/userfiles/file/2743067616.pdfIn PDF document text
- https://artofsurfing.com/preview/ckfinder/userfiles/files/zevumo.pdfIn PDF document text
- http://zabbeleecooking.com/ckfinder/userfiles/files/towajukipe.pdfIn PDF document text
- http://hwayinn.com/image/files/20210927_235154.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16137b4fa91318---xupewamafawonab.pdfIn PDF document text
- http://av-jet.ru/userfiles/file/gozinuzuke.pdfIn PDF document text
- http://motolargo.pl/userfiles/file/98172217639.pdfIn PDF document text
- http://www.benyowsky.com/resources/files/28860798023.pdfIn PDF document text
- http://bbu.vn/Images_upload/files/jazuwaruzufizesido.pdfIn PDF document text
- http://kmsenior.org/file/files/berebugevusi.pdfIn PDF document text
- http://xn--elementy-zczne-kwb98g.pl/media/file/23993511610.pdfIn PDF document text
- http://cesurmakina.com/userfiles/file/65439766794.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ca793b64e2---vunarogidigagip.pdfIn PDF document text
- https://www.solucionaesp.com/ckfinder/userfiles/files/pilub.pdfIn PDF document text
- http://brilspa.ro/userfiles/file///lutijudujegazujaleso.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_off0000aeb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEB8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c6ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6CA | 15404 bytes |
SHA-256: 536fbbdb0913c59a5208d0fd3d8c8926819e652ccb0739777e008734fa54eeec |
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font_02_sfnt_off0000edea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDEA | 10544 bytes |
SHA-256: 33512bce91fb141dda8e94118dd7431dd3538b87435121e3b5f8ef17daa448d7 |
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