MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs and is identified as a link farm hosted on disposable domains, indicating a probable attempt to redirect users to malicious sites. The document body is heavily obfuscated and contains metadata suggesting it was generated by wkhtmltopdf.
Machine Learning
- Nyx PDF Classifier malicious score 0.8774
Heuristics 4
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://bologen.ru/award?keyword=open+source+music+appreciation+textbook PDF link annotation
- https://dolepaxutafajur.weebly.com/uploads/1/3/0/9/130969408/3709124.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4502563/normal_5fe9ed4593189.pdfIn PDF document text
- https://cdn.sqhk.co/jowapezo/T5Djbig/hearts_card_game_rules_for_two_players.pdfIn PDF document text
- https://webolubodu.weebly.com/uploads/1/3/0/9/130969971/pazifatineru-gegiludoj-kasoj-terowar.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4412568/normal_600149c3c8d58.pdfIn PDF document text
- http://jaralet.getenjoyment.net/garmin_vivosmart_3_strap_replacement.pdfIn PDF document text
- https://doxavigefixo.weebly.com/uploads/1/3/5/3/135391607/dosip_kuxux_mozuponizufomun_kumasafa.pdfIn PDF document text
- http://fasekafalig.scienceontheweb.net/when_worlds_collide_song_spongebob.pdfIn PDF document text
- http://nigoguno.scienceontheweb.net/82586152915.pdfIn PDF document text
- https://menufepu.weebly.com/uploads/1/3/1/1/131163725/zedirerijibiro.pdfIn PDF document text
- https://zowadadevifu.weebly.com/uploads/1/3/4/5/134597758/1057634.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4488582/normal_5fdd836860796.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485826/normal_5fc66b827a021.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kavibajegis.onlinewebshop.net/kavulujabavaluvokurosi.pdfIn PDF document text
- http://vujuvisesakok.myartsonline.com/bonezat.pdfIn PDF document text
- http://ziwemasux.myartsonline.com/43537535785.pdfIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC7A | 5344 bytes |
SHA-256: 67641d03735db1539289244b3dfcd6a9625dbdc60cbc3ec38b6ea354bb216b2c |
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