MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing or trojan delivery mechanism. The presence of heuristics indicating a 'Payment redirection / bank-detail change lure' and 'QR-code redirect lure' strongly suggests a business email compromise or phishing attempt. The document contains numerous external URLs, many of which are hosted on disposable domains, indicating a likely attempt to redirect the user to a malicious site for credential harvesting or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://chcial.ru/uplcv?utm_term=how+export+contacts+from+android PDF link annotation
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132c9ac81a4a---rukovanojonemavobag.pdfIn PDF document text
- https://musikkursus.dk/userfiles/file/lanizufimepimomegap.pdfIn PDF document text
- http://baove24h.info/upload/files/zidemeranad.pdfIn PDF document text
- https://inwestorfinanse.pl/userfiles/file/suritixodo.pdfIn PDF document text
- http://csc-021.com/userfiles/file/20210909072752_075nil.pdfIn PDF document text
- https://rosedreamholidayhomes.com/ckfinder/userfiles/files/jogisawalinifowafikuzaj.pdfIn PDF document text
- http://www.vinoplaza.nl/img/upload/files/73172293740.pdfIn PDF document text
- http://newo.ru/files/files/wepetodetowibukuteriw.pdfIn PDF document text
- http://cesarrodarte.com/userfiles/file/supatogerevopi.pdfIn PDF document text
- http://trips-in.com/ckupload/files/99739033546.pdfIn PDF document text
- https://ceccargiurgiu.ro/userfiles/file/semusajib.pdfIn PDF document text
- http://phongkhamthienhoa.vn/images/files/sedibujoxadawibilebix.pdfIn PDF document text
- http://sushinamu.com/uploads/files/zelan.pdfIn PDF document text
- https://piataafacerilor.ro/app/webroot/files/userfiles/files/suxigodigujonigemajalawut.pdfIn PDF document text
- http://citysoupsbellevue.com/uploads/files/23748321386.pdfIn PDF document text
- https://walnutcreekguide.com/wysiwygfiles/file/gizubapigowotisekipov.pdfIn PDF document text
- http://printific.com/images/contentimages/files/57428515760.pdfIn PDF document text
- http://bestapp4u.com/admin/uploadedfiles/file/xukanedogobo.pdfIn PDF document text
- http://kruengrangthai.com/files/files/tizojokasumawexa.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f33cfbf40a---molonaxutegugisik.pdfIn PDF document text
- http://learnazia.com/fck/imagesfile/15217686324.pdfIn PDF document text
- http://www.smartlandgroup.com/ckfinder/userfiles/files/jalusikewap.pdfIn PDF document text
- http://ottotech.center/userfiles/file/99231626866.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_off0000e550.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE550 | 17704 bytes |
SHA-256: 7e2618a6eab53b9756877c5eafaeb51fe34ed384dadea6e07a12ddf91891cf2b |
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font_01_sfnt_off000112af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012ac6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AC6 | 10916 bytes |
SHA-256: 22d4a89cd46815075f3ef4e6cf890fc8e2bd5092c1d935e3337d5dd4c67f7e0c |
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