MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to disposable hosting, indicating a link farm designed to redirect users to malicious sites. The presence of external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9939
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://irlanc.ru/uplcv?utm_term=top+store+for+android PDF link annotation
- http://doubles301.jp/files/ckeditor/files/bitumiw.pdfIn PDF document text
- https://bancodevida.com/bancodevida/admin/images/image/file/raxotetisulun.pdfIn PDF document text
- https://lazdynumokykla.lt/userfiles/file/75339781397.pdfIn PDF document text
- http://phupmirpol.pl/userfiles/file/4080894563.pdfIn PDF document text
- http://ngor2-3.com/file_media/file_image/file/52725484322.pdfIn PDF document text
- http://debandhelder.nl/ckfinder/userfiles/files/damom.pdfIn PDF document text
- http://fujavietnam.com/images/Download/nefamujoxubopobiweler.pdfIn PDF document text
- http://gourmethousemacau.com/UploadFilesfile///lajopufitupad.pdfIn PDF document text
- https://ciela13.leaddeehub.com/userfiles/files/53313338090.pdfIn PDF document text
- http://laptopplus.be/app/webroot/files/userfiles/files/63398739170.pdfIn PDF document text
- http://pate4me.com/userfiles/file/97662163331.pdfIn PDF document text
- https://biocenfis.es/uploads/assets/file/85801758138.pdfIn PDF document text
- http://profil-metall.de/content/uploads/file/lugibexomej.pdfIn PDF document text
- https://kurek-rowery.pl/user_pict/file/tudijubibafifatuxenoxonaz.pdfIn PDF document text
- https://xn----7sbeo1acdy3adh.xn--p1ai/userfiles/file/xewoloziboduwujak.pdfIn PDF document text
- http://usmleworkout.com/files/file/96378254990.pdfIn PDF document text
- http://evo-models.com/uploads/userfiles/files/30840718856.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16137d8b06364a---83816542896.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/161430fa24b657---85734128106.pdfIn PDF document text
- http://asiavent.com/UserFiles/file///pupopopafat.pdfIn PDF document text
- http://hong-tour.com/FileData/ckfinder/files/20210912_750F40A971075427.pdfIn PDF document text
- http://fotosvatba.net/userfiles/file/siwajilesisepitinu.pdfIn PDF document text
- http://reklama-kemerovo.ru/files/files/jekonukifoj.pdfIn PDF document text
- http://apsons.eu/files/file/witugilogabifamuraf.pdfIn PDF document text
- http://christopherdallo.com/file/sekiwegowiwomiledikejer.pdfIn PDF document text
- http://chromavials.com/d/files/jerevod.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_off0000bd36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD36 | 18180 bytes |
SHA-256: 77c86cbff17d97a4896c9f0e3658cf98b1e2a4a5130dc8bfe27edd49678ecd5b |
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font_01_sfnt_off0000ebfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBFB | 10408 bytes |
SHA-256: 188fd5afc1537e0db0d2a1024403ddf136fbd246805c85faa870e15a60ee7dd9 |
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font_02_sfnt_off000103ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103AD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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