MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The presence of a 'download button' lure and ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent. The document's content, though heavily obfuscated, appears to reference 'Bigo live lucky patcher', indicating a potential lure for users seeking software cracks or cheats.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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 contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/pbw?utm_term=bigo+live+lucky+patcher PDF link annotation
- https://cdn-cms.f-static.net/uploads/4468255/normal_602617549db9c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369912/normal_605283a61bb4f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4448724/normal_5fff2f75d17f4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379959/normal_5fee4370e1bd9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373983/normal_6011f58f90bc3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4489414/normal_5fc68cfe19bb0.pdfIn PDF document text
- https://xulowipel.weebly.com/uploads/1/3/4/5/134594063/cba501d23efc8.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4478950/normal_60b3f927b81ea.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451565/normal_605629c929ffc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443803/normal_60262af7293d5.pdfIn PDF document text
- https://tirasuvemesamu.weebly.com/uploads/1/3/4/6/134672388/kosuro.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422163/normal_5fd8f63d88d64.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414156/normal_60644147affb5.pdfIn PDF document text
- https://mirebaxowani.weebly.com/uploads/1/3/4/0/134017623/7463138.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/8bfd9983-8fbe-45a7-ae4a-d102814e5f47/kewunedilikijinotimevo.pdfIn PDF document text
- http://rorazokazog.pbworks.com/f/67153797667.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/56e9a887-32a8-4b4a-a441-49fd0a0394f1/horus_rising_book.pdfIn PDF document text
- http://mogulazedub.pbworks.com/w/file/fetch/144496848/ok_ok_telugu_movie_online.pdfIn PDF document text
- http://jumedew.pbworks.com/f/3124411584.pdfIn PDF document text
- http://wenuveraroto.pbworks.com/w/file/fetch/144685605/lemuwuwuki.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e53a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE53A | 5292 bytes |
SHA-256: df09ddff7d0922fe8215d06537d27c5fc5e6577259a952079bb05bfbd9b1690a |
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font_01_sfnt_off0000f74f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF74F | 12920 bytes |
SHA-256: f1e22c5da81f5af333f3dd72004ef1729d03c6d5919c68462d1de64e83eb61f2 |
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