MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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 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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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://leonvi.ru/123?utm_term=tm+ac1900+reset PDF link annotation
- https://cdn.sqhk.co/pojuzijix/fBiarQC/sozivexelobojitumu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417039/normal_6006b110980de.pdfIn PDF document text
- https://cdn.sqhk.co/fejovuwov/ghIigig/anime_face_changer_app_download.pdfIn PDF document text
- https://kowezuvive.weebly.com/uploads/1/3/4/6/134603832/modovuvopilinokeke.pdfIn PDF document text
- https://jigugupidutugi.weebly.com/uploads/1/3/0/8/130813301/2b131848b0.pdfIn PDF document text
- https://cdn.sqhk.co/nifijagik/iinchdD/bizawigevuvonur.pdfIn PDF document text
- https://wisadokuresagor.weebly.com/uploads/1/3/1/4/131436967/jewavusuxutifufono.pdfIn PDF document text
- https://xemubafuwifo.weebly.com/uploads/1/3/4/4/134475424/c12e5ed89238351.pdfIn PDF document text
- https://cdn.sqhk.co/ximirujusuxo/ogj2mGu/tubi_tv_activate_apple_tv.pdfIn PDF document text
- https://vufevilasok.weebly.com/uploads/1/3/4/3/134314299/70a6ff30ecba8f.pdfIn PDF document text
- https://cdn.sqhk.co/xaxovowupofa/y2gcWg2/five_nights_at_freddy_s_2_scratch.pdfIn PDF document text
- https://cdn.sqhk.co/baluwofuk/yjaiihj/bingo_card_template_excel.pdfIn PDF document text
- https://cdn.sqhk.co/merojuniv/h6zVkRX/start_asus_laptop_in_safe_mode_windows_10.pdfIn PDF document text
- https://cdn.sqhk.co/muzolorakow/jhhagj3/stress_ball_diy_rice.pdfIn PDF document text
- https://cdn.sqhk.co/pinofizulag/fNFARid/galaxy_warriors_checklist.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488101/normal_5fe8aaa282728.pdfIn PDF document text
- https://viwejabaru.weebly.com/uploads/1/3/4/7/134749074/5853164.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481409/normal_60253fed1618a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/rudelazifizuvo/24044106598.pdfIn PDF document text
- https://s3.amazonaws.com/jivuxo/chatal_band_ringtone_free.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_off0000e748.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE748 | 5212 bytes |
SHA-256: c40b3db4e2fb441aa9fb91fdf64ea2aba021d6d8c44515670b4ecf0fe32b6e57 |
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font_01_sfnt_off0000f8ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8EC | 10540 bytes |
SHA-256: eae7646b8d211f75a750b2323b02d1ebd5c9a65adb57ca9fdbbcc4dbaa34b120 |
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