MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to distribute further malicious content. The presence of a 'download' button lure reinforces the malicious intent.
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://leonvi.ru/aws?utm_term=autocad+3d+drawing+tutorial+free+download PDF link annotation
- http://metarapuw.mypressonline.com/2919889563.pdfIn PDF document text
- https://filalodov.weebly.com/uploads/1/3/4/6/134673241/zorefu.pdfIn PDF document text
- https://cdn.sqhk.co/xokebuzizo/hfVe8ii/m25_traffic_rush_hour_times.pdfIn PDF document text
- https://xodimazu.weebly.com/uploads/1/3/1/4/131408168/1438796.pdfIn PDF document text
- https://wigazasadus.weebly.com/uploads/1/3/5/9/135974004/62f28.pdfIn PDF document text
- http://optalpha.com/660910118852zlao.pdfIn PDF document text
- https://cdn.sqhk.co/pudibamune/jDgf6ih/amaravathi_telugu_songs_free.pdfIn PDF document text
- http://pet-guru.shop/english_grammar_rules_countable_and_uncountable_nounspyxlq.pdfIn PDF document text
- https://fejamelaluboj.weebly.com/uploads/1/3/4/3/134311679/pijin_nizupexojusurum_xafudem_xemikipenonip.pdfIn PDF document text
- https://navowilupaxit.weebly.com/uploads/1/3/1/3/131381067/darejopewomexibobaz.pdfIn PDF document text
- https://cdn.sqhk.co/limizolaxa/jVgikhj/xifovenolakibamen.pdfIn PDF document text
- https://cdn.sqhk.co/pagozixupezi/j1aBgcr/28868244849.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/mijumomub/escmid_guidelines_clostridium.pdfIn PDF document text
- https://s3.amazonaws.com/kovezodepugov/o_neill_forebay_fishing_report_2019.pdfIn PDF document text
- https://s3.amazonaws.com/nokiva/dr_jekyll_and_mr_hyde_sparknotes_chapter_9.pdfIn PDF document text
- https://591e60e9-54e8-4b06-a9a7-f2e0522969d0.filesusr.com/ugd/1fd4b7_b8b93d2979b143dc9fb51155ce4082a9.pdf?index=trueIn PDF document text
- https://f770b3d7-c897-40e0-9323-5ad0abd91552.filesusr.com/ugd/1fa6dd_df3c54f2b4714c1abd470a30bb3a84c1.pdf?index=trueIn PDF document text
- http://sorisavitekinuj.onlinewebshop.net/lp_bronchopneumonia.pdfIn PDF document text
- http://biburusig.myartsonline.com/fisaneras.pdfIn PDF document text
- https://s3.amazonaws.com/vudivuzakal/94017320970.pdfIn PDF document text
- https://s3.amazonaws.com/forupokisip/62614020393.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_off0000e4b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4B7 | 5256 bytes |
SHA-256: a056034bdca9fc00b2f1fb2bf7ad37a31f5ed8f926ca5eae193627ce3650bf88 |
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font_01_sfnt_off0000f6c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6C4 | 10644 bytes |
SHA-256: ef9794ed9f309225dc4cbca971159bcef7fa6563b32a12cb2911ec0755ad4f49 |
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