MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as a malicious PDF by ClamAV and an ML classifier. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to other PDF files. One of these URLs, http://mutamobilya.com/images_upload/files/vapofolase.pdf, is particularly suspicious and likely part of the distribution chain.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://mutamobilya.com/images_upload/files/vapofolase.pdf In PDF document text
- http://61kidsclub.com/userfiles/file/rolitar.pdfIn PDF document text
- https://aynadakikemalizm.com/resimler/files/lizop.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/161321b0b8caac---5022011803.pdfIn PDF document text
- http://tehla.eu/userfiles/file/bizomokimezaseta.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/161363f42e3f16---kuwipalisosulelazotobu.pdfIn PDF document text
- https://digitaldaya.com/imagenes/file/50897023278.pdfIn PDF document text
- http://nprofit.hk/userfiles/zamidu.pdfIn PDF document text
- https://qfse.co/images/uploaded_files/ckfinder/files/1631589579_ce265fe047.pdfIn PDF document text
- https://chambredhotes-savoie.com/ckfinder/userfiles/files/selugedisozesetulogowed.pdfIn PDF document text
- http://capital96.com/userfiles/file/46106146062.pdfIn PDF document text
- http://tzsunup.com/upload/17541103794.pdfIn PDF document text
- http://architettogherardi.eu/userfiles/files/pesoniduzagepuzadi.pdfIn PDF document text
- http://mega-stainlesssteel.com/uploads/image/files/kevemubenifavakowunilaliv.pdfIn PDF document text
- http://travelspace.pl/userfiles/file/ketegovij.pdfIn PDF document text
- http://dolphinkorea.com/files/files/kegomavutoramimidope.pdfIn PDF document text
- https://dermatologie-francophone.com/userfiles/file/87571130333.pdfIn PDF document text
- http://studiozammuner.eu/userfiles/files/sulogusowaginep.pdfIn PDF document text
- http://www.bash.cl/media/file/kupedajuxokarad.pdfIn PDF document text
- https://eliteplacementagency.com/uploads/files/ponid.pdfIn PDF document text
- http://showpalmedical.com/userfiles/vuwajifivipujodasaki.pdfIn PDF document text
- http://vuatoyen.com/uploads/userfiles/file/5919732455.pdfIn PDF document text
- https://confetti-seasons.ru/upload/files/77938478890.pdfIn PDF document text
- http://medianet2000.net/amm_prod/image_news_popup/file/67662819936.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=call+recorder+automatic+mod+apkPDF 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_off0000db7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB7D | 10628 bytes |
SHA-256: dff7cf1cbab89b146c2760b98d9bac90bf45c4653c882f6f778aa49a520b2898 |
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font_01_sfnt_off0000f3cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3CD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010bdf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BDF | 18680 bytes |
SHA-256: f361970cb211f3c08eade6500cdfca91f55399e1ea537773d0e22ade7a7f8d5a |
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