MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to disposable domains, suggesting a link farm or SEO poisoning tactic. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as a phishing trojan. While no scripts were directly extracted, the PDF structure and numerous external URLs are indicative of a malicious document designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://resalured.ru/123?utm_term=apron+pdf+patterns+free PDF link annotation
- http://art-practice.org/auld_lang_syne_piano_chords_for_beginnersm1ccc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484804/normal_604c9f7821886.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366041/normal_60077577ee9fa.pdfIn PDF document text
- http://idealica-italiaoficial.site/theocratic_ministry_school_software_macwxnpx.pdfIn PDF document text
- http://vazitafolozif.22web.org/31012770695.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414489/normal_6015aea516783.pdfIn PDF document text
- http://momentikshop.space/vewemeremuza8982f.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/c5116fa5-f8e8-422d-930f-0039f3ff9562/38283181272.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6e5d35c8-0626-43ee-aa02-b36a130607f7/organic_chemistry_basic_notes_download.pdfIn PDF document text
- https://0503187d-52cd-4237-9521-a3cb9bf551ae.filesusr.com/ugd/5bb01c_56e0c4476e62484e865841af794c6b8f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6f9ad5b5-58fe-4fa3-bf57-e78707c65450/rezujed.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0bbfc4a9-13ca-4770-bfe2-00983466e1b8/friedrich_nietzsche_beyond_good_and_evil_audiobook.pdfIn PDF document text
- http://pijiwir.rf.gd/dizikokufisadakapetezixik.pdfIn PDF document text
- https://e3e1c2aa-7f41-47b0-8c2f-d823cb48b857.filesusr.com/ugd/7598fa_f17411eed182414080df2aa5d14392f8.pdf?index=trueIn PDF document text
- http://vatilibudavelit.rf.gd/penumbra_black_plague_full_game.pdfIn PDF document text
- https://724418e0-3ace-43c1-abd8-628b4820fc71.filesusr.com/ugd/6df952_ada50927f5e54c8784a73c60b2e6c6d1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/bc380e5c-90ae-419c-96b1-174f33453685/degoxabuxubajatewos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5edadf56-7c48-468a-b364-f579e44fce31/zeliposixabodumidavagapos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1748a130-97bb-464d-a659-015c0622ffbd/how_to_use_brother_p-touch_label_maker.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e078.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE078 | 4992 bytes |
SHA-256: 809dfdd852c2f9f9d6a65802853eb53f49356d38c1e4d6684a3773553a57ae14 |
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font_01_sfnt_off0000f185.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF185 | 11220 bytes |
SHA-256: 0f115c663bf9ee409ec7f6c4100771286a43eb8c8421db62528fc12ec2da70e0 |
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font_02_sfnt_off000117b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117B3 | 16204 bytes |
SHA-256: a95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd |
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