MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded URLs, many of which point to external PDF files hosted on distinct domains. This behavior is characteristic of a link farm, likely intended to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://srmtteaparty.com/uploads/files/202109071404429770.pdf In PDF document text
- https://spirit-legend-enterprises.com/webroot/editor-uploads/files/renumojopitakom.pdfIn PDF document text
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/92f77a5a754e225e966e996f4b1228aa/16620242406.pdfIn PDF document text
- http://sun-green.de/ckfinder/userfiles/files/limawamolubup.pdfIn PDF document text
- https://gestionarival.com/userfiles/file/37620086624.pdfIn PDF document text
- https://pro-biomed.com/admin/userfiles/file/46592174864.pdfIn PDF document text
- http://autodilygood.cz/files/file/79539153177.pdfIn PDF document text
- https://creteservices.com/FCKeditor/userimages/file/82171921397.pdfIn PDF document text
- https://semsaesp.com/ckfinder/userfiles/files/sasirufimunofewedujaw.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a6430c0e60---toboxuzobowupini.pdfIn PDF document text
- http://bbhshipyard.com/userfiles/file/tabipudoxowebibepolemike.pdfIn PDF document text
- http://groupementpecheduloir.com/ckfinder/userfiles/files/nixemavinawe.pdfIn PDF document text
- https://lockerova.eu/admin/upload/documents/40799235144.pdfIn PDF document text
- http://sushigonewildtogo.com/uploads/files/banifibotetotadezesomi.pdfIn PDF document text
- http://elma1.ru/!upload/files/7637632064.pdfIn PDF document text
- http://captainkillmite.com/uploads/files/202109172238286711.pdfIn PDF document text
- https://fix2go.info/userfiles/file/satujaxi.pdfIn PDF document text
- https://yasacompany.com/upload/files/15855309699.pdfIn PDF document text
- http://studiorinaldibedin.eu/userfiles/files/11989104883.pdfIn PDF document text
- https://butchercurnow.com/img/shop/contents/kuvinagosujemame.pdfIn PDF document text
- http://pyramidplaster.com/file_media/file_image/file/jozekurigaxepar.pdfIn PDF document text
- https://smshealthcareservices.com/ckfinder/userfiles/files/vowekoxasefuf.pdfIn PDF document text
- http://seanmore.com/userData/board/file/94172913122.pdfIn PDF document text
- https://autoandtruckrepair.net/nbloom/fckuploads/file/vojumanoxiwamupafiwitubu.pdfIn PDF document text
- http://acecaalcoy.com/userfiles/file/94077837027.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=you+are+very+special+to+me+quotesPDF 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_off0000b467.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB467 | 10840 bytes |
SHA-256: f8b4e42102dc7c6c804d94b4a0364df4e05f3624b523dd7301d15428a7c7423c |
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font_01_sfnt_off0000cd84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD84 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e596.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE596 | 15884 bytes |
SHA-256: d9fe19a5fc7acd9fc2ae7acb12322f980e613e11872b880f4c331d5d2c7a9988 |
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