MALICIOUS
194
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 and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 7
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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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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/strik?utm_term=an+introduction+to+mechanics+second+edition PDF link annotation
- http://jetaxopavajuluw.22web.org/letter_h_logo_design_template.pdfIn PDF document text
- http://pojawokoxenin.iblogger.org/archicad_21_keyboard_shortcuts.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377656/normal_60432fb322c18.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489834/normal_6049a602217bd.pdfIn PDF document text
- https://cdn.sqhk.co/sugojipo/igWxgjz/82690324017.pdfIn PDF document text
- https://gapeduruje.weebly.com/uploads/1/3/2/6/132681343/xitese_pegir.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4415543/normal_5fdf7206befaf.pdfIn PDF document text
- https://cdn.sqhk.co/sonorizeluwi/ThhNwjf/ultrasound_guided_femoral_venous_access.pdfIn PDF document text
- https://gibimigiwu.weebly.com/uploads/1/3/4/7/134748980/9625075.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411701/normal_60694c8b67f96.pdfIn PDF document text
- http://kizezum.22web.org/baucis_and_philemon_summary.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385415/normal_6041c245016ed.pdfIn PDF document text
- https://cdn.sqhk.co/buxifuludo/igcxjjf/todimipuxuzuxeduburoxema.pdfIn PDF document text
- http://lidudopunabiril.22web.org/canon_pixma_ip1800_manual.pdfIn PDF document text
- https://lomewulepizava.weebly.com/uploads/1/3/3/9/133999744/luxapotajuwekikot.pdfIn PDF document text
- https://cdn.sqhk.co/nemisova/wjgdjav/afterpay_annual_report_2017.pdfIn PDF document text
- https://cdn.sqhk.co/famuxina/hfRihjj/2_photo_clues_level_6.pdfIn PDF document text
- https://bunekapizo.weebly.com/uploads/1/3/0/9/130969144/zujivimenemaru_depof.pdfIn PDF document text
- https://vatawasuri.weebly.com/uploads/1/3/3/9/133997312/59b30d1d2e492c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://73c25812-7308-4b32-b985-10e2a25710ca.filesusr.com/ugd/5b604d_0b84b79339d142a5b9b67d588465a389.pdf?index=trueIn PDF document text
- https://8b83d164-5e56-46cc-b941-48f48810ddf3.filesusr.com/ugd/76ce43_755158bff95a4b959f4d31512369eaa3.pdf?index=trueIn PDF document text
- https://d670dda7-df53-4ef1-8eda-d3256df28744.filesusr.com/ugd/dbbbec_c7bcfecf1dea458a98ea99426303cf6e.pdf?index=trueIn PDF document text
- http://petegidon.rf.gd/78237734631.pdfIn PDF document text
- https://c809e8a6-5bdf-489d-8d8c-df4e4638a115.filesusr.com/ugd/45a296_2f4a0927456a42349bba19dbd0c25952.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED96 | 5020 bytes |
SHA-256: 06b7716297ad512416d3b98c616383a23db12ed75cf9715b4e7aa8e6c7136de7 |
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font_01_sfnt_off0000fe6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE6A | 11160 bytes |
SHA-256: 4855ab5df348c6a006733a0fc145bce9a17d024fea9952ac88e627d9997ec1dd |
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font_02_sfnt_off000124a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124A4 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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