MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was identified as malicious by a ClamAV detection and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, with one heuristic specifically flagging it as a link farm on disposable hosting, suggesting a phishing or redirection scheme. The lack of readable document body text prevents a more specific analysis of the lure, but the overall structure points to a malicious PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9930
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 http://ezclasssites.com/var/wwww/dev-ezclasssites-com/data/files/gopirabituwelafagatazu.pdf In PDF document text
- http://kuppersbusch.hu/userfiles/files/zotowovarikenozavab.pdfIn PDF document text
- http://dissanna.com/temp/fckeditor/file/46661866086.pdfIn PDF document text
- http://www.smwiarus.pl/ckfinder/userfiles/files/bafigesik.pdfIn PDF document text
- https://laptoptranganh.com/data/dulieu/files/34433468997.pdfIn PDF document text
- https://skatrip.com/basefile/skatripcom/files/19237680955.pdfIn PDF document text
- http://managhantasala.net/mailuserfiles/file/12487015958.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130f8e074dd2---71789076238.pdfIn PDF document text
- https://fiberglasssupplydepot.com/userfiles/files/maxuwa.pdfIn PDF document text
- http://netflor.pl/upload/File/wunurazuj.pdfIn PDF document text
- http://msslink.ru/userfiles/files/89856428273.pdfIn PDF document text
- https://garnet-medical.com/userfiles/files/powuramolidorerezinerugab.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ec9153c19---jezefaruzexeni.pdfIn PDF document text
- https://medicabg.com/uploads/wysiwyg/files/70244442523.pdfIn PDF document text
- https://on-call-anatomist.org/ckfinder/userfiles/files/xalipojobefiluparamalu.pdfIn PDF document text
- http://oletrans.sk/editor_uploads/files/vofiwuxilubunuwolenuwala.pdfIn PDF document text
- http://labradory.pl/file/70505153026.pdfIn PDF document text
- http://office-agglo-larochelle.fr/userfiles/file/fofigogobiwuzakotubafi.pdfIn PDF document text
- https://georeno.ca/userfiles/files/2945464864.pdfIn PDF document text
- http://bige.vn/uploads/userfiles/file/kolepunigun.pdfIn PDF document text
- http://twtipa.com/upfile/files/2021/09/03/83047554313.pdfIn PDF document text
- http://lingeriedediva.com/UploadFile/file/2021090209131073499.pdfIn PDF document text
- http://konikanarrowfab.com/ckfinder/userfiles/files/wonirawuxize.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=%D1%82%D0%B5%D0%BC%D0%B0+iphone+%D0%B4%D0%BB%D1%8F+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BEPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bc5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC5C | 16420 bytes |
SHA-256: fb3bf67d4a2e9dfab39fb52a842138f057886f866cf0b3ecf42f8047a6a39aeb |
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font_01_sfnt_off0000d2f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2F4 | 11632 bytes |
SHA-256: 611420e2b48ba6ce949118e4afc673b8e8d29fea66e7c6e3cb3e6496620f4da9 |
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font_02_sfnt_off0000ed1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED1F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off00010531.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10531 | 27404 bytes |
SHA-256: a166b996212152a4f0f57a830bb93b3d17f42a5d2de25d2e208bb0632c680d24 |
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