MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm or phishing operation. The presence of embedded URLs and the overall structure indicate an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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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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/strik?utm_term=keurig+2.0+k400+best+buy PDF link annotation
- http://nenodipemuxok.mypressonline.com/ayushman_bharat_banner_csc.pdfIn PDF document text
- http://lipuwisapi.mywebcommunity.org/bofavomumarujezuzifu.pdfIn PDF document text
- http://vostokzapad.su/kobalt_12_miter_saw_specswu86i.pdfIn PDF document text
- http://odemebayisitrafik.com/dietmar_steinhauer_sheet_music_soundgjhit.pdfIn PDF document text
- http://greatholl.com/alpine_linux_package6tqga.pdfIn PDF document text
- http://nopuvobetag.mygamesonline.org/germany_1910_5_pfennig.pdfIn PDF document text
- http://lozolupamo.mypressonline.com/sixasagefogevodumesekan.pdfIn PDF document text
- http://janipuwibir.mywebcommunity.org/jawevagulatoluxobunizoxi.pdfIn PDF document text
- http://medicinfo.online/25898224684z7s1l.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/3db7e40a-6283-49c5-be7f-f12be6955182/math_logic_questions_and_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9fa7b0fe-5ceb-4e54-b981-b01edadb8dca/39551003928.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a0f5509b-9b7e-4ddb-981a-594e7d8958e1/75965584347.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e0f1d757-c70a-4c4e-8853-07e40a953656/2786897804.pdfIn PDF document text
- https://90e68d66-75cd-4f9f-aa76-03b1e6b67b4d.filesusr.com/ugd/324cd8_7eda09df02b24872b3a15ad51987cdea.pdf?index=trueIn PDF document text
- https://3c3713de-992c-4571-92b4-00afcb8cb2c1.filesusr.com/ugd/9dbdb2_b8b6810a2c9442e3ab296e503c896217.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/95853c93-b4b5-4e9c-933d-108c0fbc4e19/34163862143.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c612d23e-c460-461f-81f6-017250efb5e6/faremulador.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/45dd1692-2e98-4c3c-83c9-bcdafdffcd2b/bose_wave_soundtouch_music_system_iv_review_uk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9f1088dc-7d1a-4c28-b08e-b143538d8927/samsung_8000_series_refresh_rate.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d90f0a51-91b7-4c5a-8e5b-ee6f23e24646/tagapap.pdfIn PDF document text
- https://a1c9bafd-2917-4c1b-b79c-a4b44a941470.filesusr.com/ugd/f0f215_5f0ed6c87ddb4bf8903647dab2dd8a6b.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_off00011583.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11583 | 5280 bytes |
SHA-256: d35affa7fa30d0075f0b643798bf81ead9924886ac8b53ac6142bbcfd7564560 |
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font_01_sfnt_off000127a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127A6 | 10652 bytes |
SHA-256: b02aaf7a07f08ee7ce66c20a6253defda25e86ae2216a68a2c5e5de6964d01b0 |
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