MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous external URIs, many of which point to compromised WordPress upload directories, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure strongly suggest a phishing or malware distribution campaign, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://irlanc.ru/uplcv?utm_term=doom+help+env PDF link annotation
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/2983b80f20eb4d33630f7900dfca54ca/89940961963.pdfIn PDF document text
- http://baugeraeteverleih.de/benutzerdateien/begexakagosijixonanopezip.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/cmr3sn51c1ut6v40mt3ilj6sio/kubemakelabarerero.pdfIn PDF document text
- http://tai-group.com/upload/files/7164016230.pdfIn PDF document text
- https://rosebankprimary.co.za/inc/ckfinder/userfiles/files/51418468143.pdfIn PDF document text
- https://aakritidigitals.com/userfiles/files/21629265778.pdfIn PDF document text
- http://capmar.eu/userfiles/file/69190382199.pdfIn PDF document text
- https://adminico.nl/userfiles/file/64978097997.pdfIn PDF document text
- http://pepinieres-soupe.com/userfiles/file/63747916547.pdfIn PDF document text
- http://gps-tw.com/CKEdit/upload/files/senagepafo.pdfIn PDF document text
- http://zhuoxinlaw.com/userfiles/file/20210913062126_1104817575.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/161379f5b60c56---4886429358.pdfIn PDF document text
- http://infosierra.es/images/editor/74966648988.pdfIn PDF document text
- https://cape-electronics.com/media/file/72021788505.pdfIn PDF document text
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/7d6c9448f7c42bce457180dfb465a68b/26034902844.pdfIn PDF document text
- https://thuhuonglacquer.com/uploads/news_file/zonowemip.pdfIn PDF document text
- https://appchecar.com/ckfinder/userfiles/files/direxoxeruxukexitikeduker.pdfIn PDF document text
- http://ppfi-online.com/userfiles/file/24352906390.pdfIn PDF document text
- http://gamjagolla.com/uploads/files/5776135553.pdfIn PDF document text
- http://ecovn.vn/uploads/news_file/zonasobibokojaxora.pdfIn PDF document text
- http://zxpgw.com/userfiles/file/jumelogeravi.pdfIn PDF document text
- https://onutglen.com/caningest/images/file/wofekuzodupawetivubobuwed.pdfIn PDF document text
- http://saiprogetti.net/userfiles/files/73634285336.pdfIn PDF document text
- https://learn-atdi.com/uploads/files/33878265613.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9bb11d221---35261174363.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_off0000d57d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD57D | 9964 bytes |
SHA-256: 0c91de821f0ee6d028833705fdc517be7bdcff93a636011f9616b825e9206e0a |
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font_01_sfnt_off0000eb45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB45 | 18148 bytes |
SHA-256: a9b4443f05fd73c717f54213541c95cad74b6de4e1729b562c04ee7865d2c46e |
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font_02_sfnt_off00011af1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AF1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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