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 hosted on disposable domains, suggesting a link farm or phishing operation. The ClamAV detection and ML classifier strongly indicate malicious intent. While no scripts were directly extracted, the PDF structure and embedded URIs 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-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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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://druttle.ru/123?utm_term=mostly+harmless+econometrics+angrist+and+pischke+pdf PDF link annotation
- https://cdn.sqhk.co/dogilijesiwu/gtHM0ii/guess_hero_mobile_legend_2020_coming_soon.pdfIn PDF document text
- http://xebubux.sportsontheweb.net/61341881529.pdfIn PDF document text
- https://cdn.sqhk.co/kipasewimoni/phdjghf/o_level_english_past_papers_with_answers.pdfIn PDF document text
- http://haifaiv.ru/bloodborne_trophy_guide17cpg.pdfIn PDF document text
- http://gedatidigog.sportsontheweb.net/bibuj.pdfIn PDF document text
- http://hookup154.online/18645173d2p0a.pdfIn PDF document text
- https://cdn.sqhk.co/fenazijeguk/P8ERPib/voa_news_persian_tv.pdfIn PDF document text
- https://cdn.sqhk.co/zezetemirag/nRHDheP/77680339942.pdfIn PDF document text
- http://jibakerutev.mypressonline.com/sony_trinitron_21_inch_tv_price.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://c18d9829-3add-4afa-bc87-35007fe3998a.filesusr.com/ugd/70c1ec_2f5c201600b24314bcb487bc61ed5e0c.pdf?index=trueIn PDF document text
- https://1fc3e790-19e1-43b7-bae7-d09a953f51fe.filesusr.com/ugd/2c608b_c06ec265ef97459a9e29f195850fddfc.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9f144387-c1c2-427c-802c-134d7568400c/vajubi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8b842df7-db84-45e0-b900-2c9d28aa1a47/whats_in_the_sky_tonight_app.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f00b4aee-28dc-4e71-b149-d72e4e60fec1/xelivekonapag.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eb7f8c69-1abd-40e7-bf13-93e504a4a378/74804570869.pdfIn PDF document text
- https://53860ffb-5975-4088-b838-5c82367c2827.filesusr.com/ugd/0d2908_4ff38d2da0124eb5982cfb24eaeab823.pdf?index=trueIn PDF document text
- https://4cd5a77a-be8d-44ba-8952-4177873115c4.filesusr.com/ugd/930050_6f05d364f2ac4f499fe052104333ca1e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9cda9e43-4499-475b-97a5-4654acea5a83/53265542981.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_off0001025f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1025F | 5740 bytes |
SHA-256: 514e27e754421071866ca8ed7474a64f551e476e60a3a6b7ad5b26373b9a6e55 |
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font_01_sfnt_off000115d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115D1 | 12072 bytes |
SHA-256: 53beb12bcfa09fb2abf9b43f5aeb4d94bc6b6fa0bf4cd53c9ae28f43ea3fea6c |
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