MALICIOUS
186
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. 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 0.9995
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://kuzutuzo.ru/award?keyword=different+methods+of+teaching+social+studies+pdf PDF link annotation
- https://cdn.sqhk.co/neseleko/djiTjhV/64535654001.pdfIn PDF document text
- https://berisojelo.weebly.com/uploads/1/3/0/8/130874511/potidabupo_degilarid.pdfIn PDF document text
- https://pesasujax.weebly.com/uploads/1/3/4/8/134882000/9735746.pdfIn PDF document text
- https://runufegoxow.weebly.com/uploads/1/3/5/3/135347372/4029410.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471096/normal_602a6ffe8ef3d.pdfIn PDF document text
- https://cdn.sqhk.co/jabisopomuxo/hjjXjhY/velijegawojoxazirak.pdfIn PDF document text
- https://walazufa.weebly.com/uploads/1/3/1/3/131383665/zitazaredu.pdfIn PDF document text
- https://cdn.sqhk.co/vatukaso/hDgghlS/unscramble_jumbled_words_in_french.pdfIn PDF document text
- https://cdn.sqhk.co/doparibi/jbxejgn/cat_jumper_box.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427795/normal_605030a0cad1b.pdfIn PDF document text
- https://cdn.sqhk.co/bogovureg/hi25Igf/best_radio_app_android_no_ads.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4394061/normal_602f99d0ab541.pdfIn PDF document text
- https://cdn.sqhk.co/kibutonap/k81v4lN/live_net_tv_4._7_apk_pure.pdfIn PDF document text
- https://jukafubu.weebly.com/uploads/1/3/0/8/130874261/lizofarufepuwa-dojepepiluse-pifegulaza-zowuvogadod.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426556/normal_6032c13661ac1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://e85625e8-91d5-48c2-95a4-67b7b95d5b39.filesusr.com/ugd/b97a97_80cbf3da911c4179871cbdcdf4486963.pdf?index=trueIn PDF document text
- https://0fc0baf9-b884-4fcd-968e-f93c0f938930.filesusr.com/ugd/68ec51_b498ef8643d7474e990ec664715f5c4b.pdf?index=trueIn PDF document text
- https://16e729f2-8c5c-4787-b670-14aeba6c5e03.filesusr.com/ugd/ac55e2_a3321d8396ee4313bbb88e35c8f5dc24.pdf?index=trueIn PDF document text
- https://e1bd05e7-a2ed-43df-b5fc-9bc8ee0b1a84.filesusr.com/ugd/08acf3_3e3f99e359674e3aa0f3416f48ec7fd0.pdf?index=trueIn PDF document text
- https://ff999131-262c-4f46-aa1e-84c50d3d9e43.filesusr.com/ugd/a474dd_c75afc3b1c0640288af49987a744240f.pdf?index=trueIn PDF document text
- https://d90bda3b-35dd-409f-9d4b-b4a00d881a52.filesusr.com/ugd/b88e3d_140d74a80c5b40749d5405d21a0adb31.pdf?index=trueIn PDF document text
- https://77da94c0-0f0a-445b-87af-e489a0b5ef66.filesusr.com/ugd/db1da1_6c41a1574ad14754b8996f10532dbbdf.pdf?index=trueIn PDF document text
- https://c4fca8c4-0f54-45c3-ae88-320069d86c16.filesusr.com/ugd/ac0d21_992b70976b6442fa8a596eed45b82466.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_off00017076.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17076 | 5568 bytes |
SHA-256: fd007c58d19bdadf36ff0aff84b7c49dd7438cad3914dd03637bcfd0656007ff |
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font_01_sfnt_off00018344.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18344 | 11072 bytes |
SHA-256: a5df265642023f8fe4c9472542938c6e255137458cd504d3654a9ec2c0076c5b |
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