MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by multiple heuristics, including a high-confidence ML classifier and ClamAV detection. It contains numerous embedded URLs pointing to potentially malicious or phishing sites, indicated by the PDF_SEO_DISPOSABLE_LINK_FARM heuristic. The presence of external URIs and the nature of the detected malware (Pdf.Phishing.Trojan) strongly suggest a phishing or credential harvesting attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://catamma.ru/uplcv?utm_term=the+forest+apk+android PDF link annotation
- https://wroclaw-effatha.pl/grafiki/file/felagupujusorive.pdfIn PDF document text
- http://veiligheidssloten.nl/ckfinder/userfiles/files/15099989073.pdfIn PDF document text
- http://ieltsadd.ir/cache/fck_files/file/26946365287.pdfIn PDF document text
- http://thechitay.com/uploads/userfiles/file/doves.pdfIn PDF document text
- http://jayeonrak.com/upfile_editor/2021/files/lajuvutumixa.pdfIn PDF document text
- http://naturalfurnish.com/userfiles/file/moribuvovi.pdfIn PDF document text
- https://sibconsulting.com/contents/files/fafuku.pdfIn PDF document text
- http://mastervin.ru/files/file/melotovasukolu.pdfIn PDF document text
- http://insfilings.com/skyzone_classic/upload/files/lifanodefewurojemubapon.pdfIn PDF document text
- http://mbeautyconcept.com/upload/content_images/file/videzifepusigadetudud.pdfIn PDF document text
- http://synerfreight.com/syner_upload/images/files/65898221345.pdfIn PDF document text
- https://numen-wow.com/userfiles/cloud/files/nojozuradamezukozuteli.pdfIn PDF document text
- http://zae.me/datafiles/file/sopago.pdfIn PDF document text
- http://autoscuolemontagna.it/userfiles/files/vavazikap.pdfIn PDF document text
- http://ulleungroadtour.com/FileData/ckfinder/files/20210901_E57042B9B13C004B.pdfIn PDF document text
- http://immobilier-valence-agen.com/userfiles/file/8249701063.pdfIn PDF document text
- http://teknis.it/userfiles/files/21407171983.pdfIn PDF document text
- http://futurepoolandspa.com/ckfinder/userfiles/files/2437086564.pdfIn PDF document text
- http://edbiji.com/uploads/files/20210902033758_997295.pdfIn PDF document text
- http://ageddfjtjgrade.pretty-match.com/upload/files/3599196669.pdfIn PDF document text
- https://mantyobras.com/userfiles/file/99804975331.pdfIn PDF document text
- https://dusunceokulu.net/resimler/files/8145995807.pdfIn PDF document text
- http://smartvoicecom.com/userfiles/xidupoguwoxovagubix.pdfIn PDF document text
- http://hoangle.vn/uploads/userfiles/file/23841086347.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_off0000c03f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC03F | 10604 bytes |
SHA-256: b744b14a2a4c88a810fa301b94162b6bd3f759810a0adbe7fc918b2944021500 |
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font_01_sfnt_off0000d876.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD876 | 20456 bytes |
SHA-256: c647cb4e615838219bcf65dc5cf0132c675a3bca84d80adcd97a62c00fd7edc9 |
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font_02_sfnt_off00010c38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C38 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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