MALICIOUS
226
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. It uses a LOLBin command-execution lure. 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 0.9998
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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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://gimoguvi.ru/strik?utm_term=preisendanz+papyri+graecae+magicae+pdf PDF link annotation
- https://dunokosira.weebly.com/uploads/1/3/5/3/135349308/4807545.pdfIn PDF document text
- https://cdn.sqhk.co/nevupediwix/GDXhjbj/business_insider_stock_market_crash_wall_street_ceo.pdfIn PDF document text
- https://dodukitomot.weebly.com/uploads/1/3/1/4/131407143/d5f95b4.pdfIn PDF document text
- https://cdn.sqhk.co/kazamepa/aWhc7gj/xedajavukagawolorozuxi.pdfIn PDF document text
- https://bipejazikapidim.weebly.com/uploads/1/3/4/5/134529651/jubumugigafosivegu.pdfIn PDF document text
- http://kreativoblako.com/audio_technica_at-lp120xbt-usb_bluetooth_turntable_783xfhh4.pdfIn PDF document text
- https://cdn.sqhk.co/fevazufalul/tMheHid/1586123142.pdfIn PDF document text
- http://xubakonuxejebip.iblogger.org/13954888330.pdfIn PDF document text
- https://cdn.sqhk.co/kexofodatop/hDidzjd/anglais_franais.pdfIn PDF document text
- https://wilibupa.weebly.com/uploads/1/3/2/6/132681560/446fb1c36.pdfIn PDF document text
- https://cdn.sqhk.co/luzeginu/jcMDA9l/neon_blaster_2_cheat.pdfIn PDF document text
- https://cdn.sqhk.co/zavonufovi/jbjjtU9/84195631062.pdfIn PDF document text
- https://cdn.sqhk.co/subilikiwi/l1qzTjd/personal_care_assistant_resume_summary.pdfIn macro / runtime command snippet
- http://alphabitx.com/btec_level_3_national_business_student_book_1nqtfg.pdfIn PDF document text
- https://cdn.sqhk.co/jozojijejip/DUjcKic/yellow_finch_bird_sound.pdfIn PDF document text
- https://cdn.sqhk.co/zavonufoIn macro / runtime command snippet
- 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://uploads.strikinglycdn.com/files/b5455ef3-6d59-41b8-9847-fd8673341698/posumabodugaguvokikebuxa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d353226e-817d-4a32-beb4-93ef60494d02/topaponadelavenux.pdfIn PDF document text
- http://jijeledinevo.rf.gd/sikakadajowefo.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED4C | 5192 bytes |
SHA-256: b8cf98d0678b973be2cf0f273a3c7df4545841a36e348914d9fb77808bde1b0a |
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font_01_sfnt_off0000fedf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEDF | 10956 bytes |
SHA-256: 7b9d76794aa0171f8f7efebec00ac19b5999d11f8785bb92b9f8312d546558aa |
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font_02_sfnt_off0001242c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1242C | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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