MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, a common tactic for link farm and phishing schemes. The heuristic 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' indicate a large number of links, many hosted on disposable domains, suggesting a malicious intent to redirect users. The ML classifier and ClamAV detection strongly support the malicious verdict. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://druttle.ru/123?utm_term=swan+lake+theme+piano+sheet+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4376099/normal_5fd14963356b1.pdfIn PDF document text
- https://s3.amazonaws.com/liwafo/fitness_quest_gazelle_edge_replacement_parts.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4503787/normal_604adbeaa448d.pdfIn PDF document text
- https://bavanakeburosot.weebly.com/uploads/1/3/5/3/135302165/6b62fc10e.pdfIn PDF document text
- https://s3.amazonaws.com/zobuwubedak/how_to_prepare_meals_for_the_week.pdfIn PDF document text
- https://metenesepagozo.weebly.com/uploads/1/3/4/7/134710396/f68d9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458628/normal_605a15ab61b17.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413866/normal_5fd862f8263e7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481527/normal_60332cf9367a1.pdfIn PDF document text
- https://s3.amazonaws.com/nigimul/the_secret_life_of_bees_full_movie_free_online_123movies.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413120/normal_5fe8a3de59080.pdfIn PDF document text
- https://bofakodejo.weebly.com/uploads/1/3/4/2/134265658/6361406.pdfIn PDF document text
- https://vumifedesonuzik.weebly.com/uploads/1/3/4/8/134849268/xepuv.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489422/normal_6023848125271.pdfIn PDF document text
- http://padojobimo.mywebcommunity.org/87604685367.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454824/normal_601c6a9ae8fb7.pdfIn PDF document text
- https://s3.amazonaws.com/kigavanus/dunisapukogalajune.pdfIn PDF document text
- http://desajegurake.scienceontheweb.net/physical_science_grade_12_book.pdfIn PDF document text
- https://s3.amazonaws.com/nuselufuzo/bakuvenavobidopetejivu.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/1fb6a29f-4fad-4411-ae33-3fdae0ef8aee/how_to_clean_hp_7520_printhead.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e424a1e9-2fd4-4680-a9a6-902e65be7d7e/fobaravinovobabimupanisi.pdfIn PDF document text
- http://zusaxadixuxot.myartsonline.com/najara.pdfIn PDF document text
- http://zuputes.atwebpages.com/clicks_catalogue_august_2020.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/430892d4-0fbf-4df6-80e2-2b73aac54cc6/wuvunixoxuxasotano.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_off0000f29e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF29E | 5444 bytes |
SHA-256: 85257c3f4032e905662ce19689f2966589abe2136bc1e7edc4f708469587af26 |
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font_01_sfnt_off00010510.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10510 | 11680 bytes |
SHA-256: a052bbafc633d42da421541835a34719f8c619bb97e0db7eb5eec55686ca2703 |
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