MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1190 Exploit Public-Facing Application
T1204.002 Malicious Link
The PDF document exhibits characteristics of an advance-fee scam, using lures related to lotteries, prizes, and parcel delivery to deceive users. It contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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://catamma.ru/uplcv?utm_term=nokia+android+phones+and+their+prices+in+nigeria
- https://f27szerviz.hu/upload/files/pufan.pdf
- https://cosonnguyenthanh.vn/webroot/userfiles/files/40366121180.pdf
- https://secolink.sk/userfiles/file/wuxaralidonoxevusafe.pdf
- https://giaphutelecom.com/tctt/sites/aaa/file/gurogesarub.pdf
- http://ed-web.cz/userfilesfile/dimafin.pdf
- http://exim5.hu/_user/file/zitukiso.pdf
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16136934d9409c---75569181304.pdf
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/f22e67635fda329a2ebc584eb7f7e829/26569992652.pdf
- http://sladkiy-ostrov.ru/userfiles/files/zutudoxerasukijogipe.pdf
- http://nm-union.ru/ckfinder/userfiles/files/visironugu.pdf
- http://abwingscolley.com/uploads/files/54633300211.pdf
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145fc3b7caad---69812206365.pdf
- http://architettosbaffo.com/userfiles/files/61329353318.pdf
- http://mybed.tw/uploads/files/202109052033326141.pdf
- https://parfumzone.ro/files/file/1536926814.pdf
- http://www.cpnatacao.pt/backoffice/ckfinder/userfiles/files/mogaviweno.pdf
- https://fo-prefectures.com/pages/files/34912520129.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/0od0s7plho6u9km5ub3skvigvd/7859401432.pdf
- http://camberwelltaxi.com/survey/userfiles/files/53988724011.pdf
- http://zamdq.com/filespath/files/20210902181838.pdf
- http://www.galiantsolutions.com/emailimages/file/53623758600.pdf
- http://lpc2529.com/piceditor/file/22381987105.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d247.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD247 | 16792 bytes |
font_01_sfnt_off0000ea5e.bind8a066f7cdb2d6e3b1ae194f99f4033601bbdd71f662f1fa9b793ee014c97093 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA5E | 10816 bytes |
font_02_sfnt_off0001030d.bina149700d7668cc9b82710eb2b3d9df063480648d55e5b03e9b2d670f25847553 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1030D | 17684 bytes |
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