MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document contains numerous links pointing to disposable domains, suggesting a phishing or scam attempt. The embedded URLs and the nature of the heuristics strongly suggest the document's purpose is to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 5
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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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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://santa.sg/images/users/00000000/files/wokabijo.pdf In PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe3db62953---79973365840.pdfIn PDF document text
- http://jinruily.com/UploadFile/file/20210905205043879.pdfIn PDF document text
- http://protectakoteasia.com/ckfinder/userfiles/files/rukogenufek.pdfIn PDF document text
- http://e-kva.ru/admin/ckfinder/userfiles/files/nuwazufarapaw.pdfIn PDF document text
- http://kor-ra.ru/UserFiles/file/22939002766.pdfIn PDF document text
- http://dongshengcable.com/images/upload/File/pikagalen.pdfIn PDF document text
- http://qataminational.com/uploaded_files/userfiles/files/kejujiziduxovisoduwobi.pdfIn PDF document text
- https://turkuazhost.com/calisma2/files/uploads/88112319027.pdfIn PDF document text
- http://www.serenissimaservizi.com/files/60020234814.pdfIn PDF document text
- http://ecosdaliberdade.com/ckfinder/userfiles/files/14904071385.pdfIn PDF document text
- https://www.speeddating.lt/speeddating/ckfinder/userfiles/files/53081878652.pdfIn PDF document text
- http://debten.net/UserFiles/File/wokis.pdfIn PDF document text
- http://ndt-tl.ru/upload/file/84709978289.pdfIn PDF document text
- http://lnv-cnc.com/userfiles/file/fulozofikota.pdfIn PDF document text
- https://icoachyou.biz/images/ckeditor/files/50723896744.pdfIn PDF document text
- http://www.gulbaharsigorta.com/contentData/file/vabun.pdfIn PDF document text
- http://orbitsecurity.qa/pro_mvp_tech/uploads/file/89458981715.pdfIn PDF document text
- http://kaitosushisb.com/uploads/files/belojarasuvofobilejox.pdfIn PDF document text
- https://mingyi-lock.com/data/file/userfiles/files/sotavosigejafoka.pdfIn PDF document text
- http://artio.pl/files/files/gesidopuguluf.pdfIn PDF document text
- http://kxqcgs.net/filespath/files/20210903132203.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615234182814c---82034253399.pdfIn PDF document text
- http://snft.ro/media/file/60993150898.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=cathedral+story+pdfPDF 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_off0000bb9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB9D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d3af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3AF | 18408 bytes |
SHA-256: 1c70b55fd64dd9910bcc3064f7fcd1ce9c64822f899c0fa905084e1644367701 |
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font_02_sfnt_off00010277.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10277 | 10544 bytes |
SHA-256: 2930ffcebaff5461eaf4c012c43ba5bc760582d1145e29d4db70bcfa3a33ca84 |
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