MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was flagged by a machine learning classifier and ClamAV as malicious, with a high-severity heuristic indicating a payment redirection lure. The document body, though heavily obfuscated, suggests it is a PDF generated by wkhtmltopdf. The presence of numerous unknown URLs, many of which are linked to disposable domains, further supports a phishing or credential harvesting attempt. No scripts were extracted, but the overall structure and heuristics point to a malicious PDF designed to trick users into financial transactions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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 http://skia22.ru/pic/file/rexudizufokojitapil.pdf In PDF document text
- https://biogenetixpharma.com/ci/userfiles/files/vakobuwezelad.pdfIn PDF document text
- http://sportschoolindex.nl/images/uploads/36060977891.pdfIn PDF document text
- http://qapoll.com/2015/vat/upload/files/41262494515.pdfIn PDF document text
- http://clinivetmadonnadirosa.eu/userfiles/files/taxovopix.pdfIn PDF document text
- http://musicpark-live.com/userfiles/file/59706136400.pdfIn PDF document text
- http://goopenapp.com/uploads/files/fibenunifawesuku.pdfIn PDF document text
- https://pankajplast.com/ckfinder/userfiles/files/waviluwabagi.pdfIn PDF document text
- http://compow.net/ckfinder/userfiles/files/vigonugijijuzedasewil.pdfIn PDF document text
- http://gonvvama.net/filespath/files/20210908002846.pdfIn PDF document text
- http://suphammamnon.org/uploads/files/powufajelumin.pdfIn PDF document text
- https://khotelmarket.com/FileData/ckfinder/files/20210910_7B0C1798C715239E.pdfIn PDF document text
- http://lbjgold.in/ckfinder/userfiles/files/saniditeje.pdfIn PDF document text
- http://moto-bike.pl/userfiles/file/11392458286.pdfIn PDF document text
- http://westernstudioservice.com/admin/userfiles/file/visesasodufibunuxomuxi.pdfIn PDF document text
- https://zlatartopalovic.rs/files/40854192119.pdfIn PDF document text
- https://ppkh.net/userfiles/file/benujifekuzetitij.pdfIn PDF document text
- http://di-tech.kr/fckeditor/userfiles/file/41325002404.pdfIn PDF document text
- http://n2nnetworks.com/files/others/8752081447.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161300bd3ab2a0---zurok.pdfIn PDF document text
- https://ladulceseguros.ar/noticias/fckeditor/file/vifitodofotod.pdfIn PDF document text
- http://www.yemany.com/yemfiles/files/53723375447.pdfIn PDF document text
- https://dom4m.lv/userfiles/files/88740065676.pdfIn PDF document text
- https://vicareyou.com/userfiles/file/80288277239.pdfIn PDF document text
- http://foto-recepty.sk/images/fotky/bugugunes.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=switch+contacts+from+android+to+iphonePDF link annotation
- 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_off0000e15a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE15A | 18668 bytes |
SHA-256: e8962eba098965d0d6cd210caa6fd02ebffa4da2d5084c822a0c74c5f4cc3387 |
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font_01_sfnt_off000110e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110E5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000128fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128FC | 11000 bytes |
SHA-256: 3597271fdc05550cbe9e4701564dbe362686d9068123aefce6ce59529bcbd7bf |
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