MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs and is flagged as a link farm on disposable hosting, suggesting it's used to redirect users to potentially harmful sites. The presence of embedded URLs and the PDF structure point towards a phishing or malware distribution scheme, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
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 https://philabc.ru/uplcv?utm_term=como+crear+un+tema+para+android PDF link annotation
- http://emachn.com/data/attachment/file/lorulafevojakem.pdfIn PDF document text
- https://tl-systems.hu/files/files/86981629087.pdfIn PDF document text
- http://osmed.cz/app/webroot/files/files/39690019520.pdfIn PDF document text
- http://heimundsicherheit.de/userfiles/file/11670088334.pdfIn PDF document text
- https://alatheir.com/atheirwsfiles/file/94528659227.pdfIn PDF document text
- http://wefocusdesign.com/upload/files/narewuj.pdfIn PDF document text
- http://le-nora.com/userfiles/file/90037381173.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aae88e6703---2626940575.pdfIn PDF document text
- http://batistar.fr/userfiles/file/27214836855.pdfIn PDF document text
- https://www.meditech.cz/ckfinder/userfiles/files/zusaxurolakobudafefa.pdfIn PDF document text
- https://weldingportal.it/userfiles/file/dilapoputi.pdfIn PDF document text
- http://paddockj.com/user_data/editor/ckfinder/core/connector/php/upload/files/84456752840.pdfIn PDF document text
- https://sealskinz.ru/files/file/fubagivuwebewatetizukeses.pdfIn PDF document text
- https://supermagnum-bg.com/ckfinder/userfiles/files/80084092855.pdfIn PDF document text
- https://uclerbaklava.com/resources/file/ratanode.pdfIn PDF document text
- https://bodzlomu.com/userfiles/file/19969311690.pdfIn PDF document text
- http://webinaris.training/ckfinder/userfiles/publics/files/goxaku.pdfIn PDF document text
- http://zzfcw.com/file/fkimg/file/9467931059.pdfIn PDF document text
- http://banlinhkienlaptop.com/userfiles/file/nudovisimuwamojowagiba.pdfIn PDF document text
- http://rothemtour.com/FileData/ckfinder/files/20210908_016BDEA936BA52A8.pdfIn PDF document text
- https://transport-vehicules.fr/userfiles/file/23440788365.pdfIn PDF document text
- http://52fotki.ru/ckfinder/userfiles/files/pubemijasepekokolobuza.pdfIn PDF document text
- http://leeharringtonhomes.com/userfiles/file/pasolinusi.pdfIn PDF document text
- http://cancercareresearch.com/userfiles/file/filoxegewugegarunerevi.pdfIn PDF document text
- https://ecableapp.com/FCKeditor/FCKimgUpload/file/bazej.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613dc6c77c139---69398220051.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_off0000f687.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF687 | 19100 bytes |
SHA-256: 710a6ceb0996d2ec7d21af2ca435d78b8eec404d0829e11e8c0cfac64bbbf125 |
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font_01_sfnt_off00012741.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12741 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013f58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F58 | 10592 bytes |
SHA-256: 81cec9ffd6b4c759a08f5463d7c8d28d2a4468b6b8f6acce62c29e80a90466dc |
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