MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and ML classifiers indicated a high probability of maliciousness. The document contains numerous embedded URLs, many of which are part of a link farm hosted on disposable domains, suggesting a phishing or malware distribution scheme. The presence of external URIs and the link farm heuristic strongly indicate an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://queure.ru/uplcv?utm_term=superficial+laceration+wound PDF link annotation
- http://tofuyatogo.com/uploads/files/kinenonazudumizales.pdfIn PDF document text
- http://www.salac.cz/ckfinder/userfiles/files/70593483710.pdfIn PDF document text
- http://atut-biuro.com/uploaded/file/zazamimolevedut.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/64164568332.pdfIn PDF document text
- https://kudusde.org/resimler/files/26749253506.pdfIn PDF document text
- https://myclubowners.com/userfiles/files/zuvimudoduwumef.pdfIn PDF document text
- http://montoaneli.com/ckfinder/files/tipinin.pdfIn PDF document text
- https://flardochform.se/userfiles/file/nuvasibekuguruguxed.pdfIn PDF document text
- http://amongelite.com/ci/userfiles/files/korawinajalenuzuwebu.pdfIn PDF document text
- https://tims.ro/ckfinder/userfiles/files/munixomeruvusafimanapi.pdfIn PDF document text
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615640c07e67c---kuwosenedapofut.pdfIn PDF document text
- http://sziazsauto.com/uploads/files/papaxujisadovem.pdfIn PDF document text
- http://zhongyuemedia.com/filespath/files/20210921030014.pdfIn PDF document text
- https://doanandieuduong295doson.vn/namthuan/images/news/files/89480423075.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138aaa98cf04---9947351441.pdfIn PDF document text
- https://polnische-zaune.de/userfiles/file/diguvumovanesudopi.pdfIn PDF document text
- http://kibbkw.com/uploads/file/pisikakapagabiv.pdfIn PDF document text
- http://sartor.ru/upload/files/bidubutivakaguremog.pdfIn PDF document text
- http://cyuansheng.com/userfiles/file/zibupekusolofukivijudoj.pdfIn PDF document text
- http://airelimpio.mx/img/editor/file/zeluvar.pdfIn PDF document text
- https://salwangurugram.com/files/96542383831.pdfIn PDF document text
- http://tongrentangthai.com/UserFiles/file/fazotexeganeramomo.pdfIn PDF document text
- https://kingdomofgodmn.org/userfiles/files/65669227019.pdfIn PDF document text
- https://selispin.com/calisma2/files/uploads/20994440030.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_off0000d207.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD207 | 18204 bytes |
SHA-256: fd1543e10032f7a71a5fd92923624c004f32bd584a58f140751945f9a6158f37 |
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font_01_sfnt_off000100d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100D9 | 10704 bytes |
SHA-256: 68d197fd73db042390e369bc8c4bb46f7bb261a2a38d4bfa5d4954d375cf3a04 |
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font_02_sfnt_off00011993.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11993 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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