MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous external URIs, with many pointing to disposable domains, suggesting a link farm designed to redirect users to potentially malicious content. The presence of 'wkhtmltopdf' in the metadata and the 'SE_LOLBIN_RUN_COMMAND' heuristic suggest the document might be used to host or distribute further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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://forumcutuca.com/ckfinder/userfiles/files/29139389684.pdf In PDF document text
- https://408of53crownstreet.com/assets/media/files/37811775367.pdfIn PDF document text
- http://av-jet.ru/userfiles/file/gozomiviroxikujuvime.pdfIn PDF document text
- https://yaofangpeixun.com/upload/files/resimenumevanipo.pdfIn PDF document text
- http://vigova.com/Images_upload/files/61523062892.pdfIn PDF document text
- http://equipociclistaugeraga.com/ciclistas/userfiles/file/venulokidetirowik.pdfIn PDF document text
- http://www.novosib-sport.ru/ckfinder/userfiles/files/13445574586.pdfIn PDF document text
- http://www.ezmoving.com/file/70827819198.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc3bd7f47b---zanibisubiromiloxudazusi.pdfIn PDF document text
- http://dansungsala.com/uploads/files/jominoremebemivexaxetudo.pdfIn PDF document text
- http://ylphs.com/ckfinder/userfiles/files/6412385189.pdfIn PDF document text
- http://yoga-privates.com/yoga-privates/file/meturekapi.pdfIn PDF document text
- https://stvorki.ru/files/file/ximorimebovegozekiz.pdfIn PDF document text
- http://langyupharm.com/upload/files/tofubodop.pdfIn PDF document text
- https://anup.bo/images/files/61412763498.pdfIn PDF document text
- http://yuilchem.com/userData/board/file/duruxobogavixarunix.pdfIn PDF document text
- http://chipgene.com/image/files/20210916_012145.pdfIn PDF document text
- http://officegate.biz/admin/fck_upload/file/41688337204.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/161410a379b640---xegoridurakobalewopewisop.pdfIn PDF document text
- http://carnavaldemarbella.com/Senegal_5/Content/files/userfiles/file/rosigafaj.pdfIn PDF document text
- https://dreamscapes.ca/dream_scapes/userfiles/files/55967944700.pdfIn PDF document text
- http://conblocmanado.com/pics/file/jixavisefifekazene.pdfIn PDF document text
- http://charmingcurls.se/upload/file/92229105830.pdfIn PDF document text
- http://akcihlar.cz/userfiles/file/fuletomosetofibagor.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=emoji+apps+for+androidsPDF 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_off0000baf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBAF4 | 10496 bytes |
SHA-256: 7071acec8a62d8831f3bf03cc88a154a2a91e1493f8315e7fc8dc23d0e3d34ce |
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font_01_sfnt_off0000d2a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2A7 | 15748 bytes |
SHA-256: 117dcfa78501939da23a0ac95740255df4e89d1a7a5600d0b584b01077f7abf0 |
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font_02_sfnt_off0000fac6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAC6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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