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 0.9993
Heuristics 6
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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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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://kuzutuzo.ru/strik?utm_term=rosemary%2527s+baby+book+page+count PDF link annotation
- https://cdn-cms.f-static.net/uploads/4477658/normal_604204494bb25.pdfIn PDF document text
- https://cdn.sqhk.co/jenetuwuda/a1idha9/youtube_to_mp3_iphone_app_offline.pdfIn PDF document text
- https://cdn.sqhk.co/kuwusemob/CtgeAkE/xujugu.pdfIn PDF document text
- https://cdn.sqhk.co/rotuzuwibi/xvjihAa/pobrecita_ana_chapter_2_answers.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481836/normal_600b4bf545c2b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425010/normal_60201f479ed8b.pdfIn PDF document text
- https://cdn.sqhk.co/vodadavubex/eihOl6P/24137602711.pdfIn PDF document text
- https://cdn.sqhk.co/gulanuwe/icxifnM/is_directv_having_guide_problems.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480580/normal_60470f51b57f7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4411931/normal_5fee3db2dc470.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4409113/normal_5fcd3a6818174.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376380/normal_60262ac64433d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405179/normal_602f40e47629a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4481053/normal_5fedac6cce9ff.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415783/normal_6020f9577ac82.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://ff9dba89-6132-4485-99c2-ace8a2453124.filesusr.com/ugd/c3f59f_da48d12e28774cc9b23e59eb0e40afc8.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bagisi/nipedanigumuzur.pdfIn PDF document text
- https://b66a6cc6-7028-4fd7-9d19-084b2b27c535.filesusr.com/ugd/4015cf_0a173357b2b94212a4621c0413b0bff6.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pulavokaxe/30614523229.pdfIn PDF document text
- https://s3.amazonaws.com/mojivikapeti/best_gift_for_male_boss_farewell.pdfIn PDF document text
- https://091a8774-b5bd-4fb7-8799-8d1ca0ca44ad.filesusr.com/ugd/8716ab_2bb6830e00154227b697cb2b8e857313.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tuxexi/banda_singh_bahadur_punjabi_movie.pdfIn PDF document text
- https://69f7c7ec-f776-4f8b-90c4-e8126cd531e3.filesusr.com/ugd/772020_c6aea5b2371c490682ae9441eab881cb.pdf?index=trueIn PDF document text
- https://37523d11-79cf-4eb3-ada4-f05de57c71ee.filesusr.com/ugd/275374_c99a6b0f5f394391a6f96df2e2a86da7.pdf?index=trueIn 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_off0000f686.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF686 | 5568 bytes |
SHA-256: 2d172cb825763425ee21f66ab8d686838500a6558681805f1ff539aa7da5bb28 |
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font_01_sfnt_off0001097a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1097A | 12024 bytes |
SHA-256: a9d4522ea0bf5e635e7379fafdcdcb94b06fdd0566407237c3ec995b6fa39295 |
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