MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, characteristic of a link farm used for distributing malicious content or phishing. The presence of these links suggests an attempt to lure users to external, potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://siciny.eu/userfiles/file/7910723149.pdf In PDF document text
- http://paneldeconso.com/userfiles/file/6549594200.pdfIn PDF document text
- https://superchills.com/userfiles/file/zaboremewomemobuzijibura.pdfIn PDF document text
- http://dishandspoonproductions.com/ckfinder/userfiles/files/44139916289.pdfIn PDF document text
- http://alotercuman.com/ckfinder/userfiles/files/40611723932.pdfIn PDF document text
- http://exima.kr/userData/board/file/sagajagufoxadalivekere.pdfIn PDF document text
- https://speculatio.in/ci/userfiles/files/56368155098.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/fb591c9df5fa00bce655fadfe14f38be/gokazovudo.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613b6a30b6db3---welurotegupevopodil.pdfIn PDF document text
- http://cgmorenanews.com.br/ckfinder/userfiles/files/vizaroxoz.pdfIn PDF document text
- http://nakamurasangyou.jp/app/webroot/uploads/files/96307838487.pdfIn PDF document text
- http://metall-press.ru/files/tigilovewabolimibexofugav.pdfIn PDF document text
- http://n3ss.ro/ckfinder/userfiles/files/dofegejawovemuj.pdfIn PDF document text
- http://acecaalcoy.com/userfiles/file/34886889378.pdfIn PDF document text
- http://gulfcoastlist.com/userfiles/file/pabovawafupupix.pdfIn PDF document text
- https://habibitoursegypt.com/ckfinder/userfiles/files/sabubojajil.pdfIn PDF document text
- http://dopuskvsro.ru/UserFiles/fameninasizap.pdfIn PDF document text
- http://hiroi-es.info/yamituki-n/uploads/files/72208542174.pdfIn PDF document text
- https://malayalamfoundation.org/admin/my_files/file/88458815628.pdfIn PDF document text
- http://ducnhua.com/upload/files/97908284344.pdfIn PDF document text
- http://americasbestmanassas.com/uploads/files/3534359550.pdfIn PDF document text
- https://groupekheidri.com/ckfinder/userfiles/files/guzedigodumun.pdfIn PDF document text
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/1q4h5gfg6eichno80vag65nkb0/20777728217.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161371beaf14a6---xanogopuxodofitazij.pdfIn PDF document text
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613562bd762a4---gedinoponuxiropi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=ecce+homo+friedrich+nietzsche+pdfPDF 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_off0000e314.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE314 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB2B | 10720 bytes |
SHA-256: a160666f2df70260abd62c1af08cd7b37ee20cb7e178a5ae59f741b41bee018d |
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font_02_sfnt_off00011398.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11398 | 20344 bytes |
SHA-256: 0b68df931f27f803d9d9844a68e0b37db22afc1312a8fa33f281af23d1b57473 |
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