MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains multiple embedded URLs, with one prominent URL being https://jacksth.ru/123?utm_term=200+hundreds+chart+pdf, suggesting a phishing attempt disguised as a document. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM indicates the PDF is part of a link farm on disposable hosting, further supporting the phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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 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://jacksth.ru/123?utm_term=200+hundreds+chart+pdf PDF link annotation
- https://zujomesesewega.weebly.com/uploads/1/3/4/9/134902804/349467.pdfIn PDF document text
- http://gaydating.world/weber_grill_natural_gas_regulatork02um.pdfIn PDF document text
- http://begemotiks.space/building_plans_for_platform_bed_with_drawers6xzf5.pdfIn PDF document text
- https://goporurozabi.weebly.com/uploads/1/3/0/8/130874573/570774b6c.pdfIn PDF document text
- http://vwwv-avito.online/viwudodunebajixawut37evj.pdfIn PDF document text
- https://jufavufopu.weebly.com/uploads/1/3/4/3/134340263/lotularibor-bulog-lamotutapow.pdfIn PDF document text
- http://nutristrike-shop.ru/naxegudujifevavuxa0sfw.pdfIn PDF document text
- https://boxatikavizag.weebly.com/uploads/1/3/4/6/134680825/zixikuzolik.pdfIn PDF document text
- http://tujozavido.66ghz.com/cnbc_directv_channel_guide.pdfIn PDF document text
- http://rabejagoruwobol.66ghz.com/xominetefizazabobeku.pdfIn PDF document text
- http://marketitaly.info/neromuwaxizazasug671on.pdfIn PDF document text
- https://xikematevi.weebly.com/uploads/1/3/4/3/134392378/4c7c04.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://lojifasipok.rf.gd/math_worksheets_division_for_6th_grade.pdfIn PDF document text
- https://s3.amazonaws.com/nafoxuda/jidutudosonefusibud.pdfIn PDF document text
- http://lelobuz.rf.gd/highest_common_factor_worksheet_grade_8.pdfIn PDF document text
- https://s3.amazonaws.com/dazemi/bad_girl_riri_video_by_yonda.pdfIn PDF document text
- https://s3.amazonaws.com/mejigavukolu/vmware_partner_portal.pdfIn PDF document text
- https://s3.amazonaws.com/zetituri/multiple_meaning_words_worksheets_grade_3.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_off00010468.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10468 | 5388 bytes |
SHA-256: 8734ae8450caf7b9f7225ff55e317e06e251b76dd73baf1b7b4eb58afda26030 |
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font_01_sfnt_off000116b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116B1 | 10936 bytes |
SHA-256: e8139fe7fbb1a24c97304b01e1c160c0f33c86b42ccb5c316f2b7256c136f38a |
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