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 0.9997
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://maypoin.ru/award?keyword=clinical+pharmacology+lecture+notes+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4421200/normal_5fd1a20b9faf9.pdfIn PDF document text
- http://junelizirigoroj.iblogger.org/adding_and_subtracting_integers_fun_worksheet.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389107/normal_601f9afa7b064.pdfIn PDF document text
- https://wajusozoxedaxu.weebly.com/uploads/1/3/4/2/134235608/xokomabewis.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4420911/normal_5fddde36c4c33.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408863/normal_5fdf4839bbcda.pdfIn PDF document text
- https://kodavagimiwebod.weebly.com/uploads/1/3/5/3/135346487/99af8377.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://4779f2f8-a33e-4327-9c78-21ee0bcf4620.filesusr.com/ugd/31bf02_6f1e42246f814a4bb1d9b7b8b4cc6965.pdf?index=trueIn PDF document text
- http://ramawotinejog.epizy.com/flame_test_lab_analysis_questions_answers.pdfIn PDF document text
- https://71b4061d-0fbe-47a8-a671-08758978b022.filesusr.com/ugd/0216f2_75a05edb453f4469a74ba051a220c7b1.pdf?index=trueIn PDF document text
- https://6e678f60-abc6-404c-883a-cd1729fdffee.filesusr.com/ugd/e4291f_4504bafb60194810ab204f8aed6811de.pdf?index=trueIn PDF document text
- https://16fd32d6-95e0-4b29-89ad-7162b4f2ffbe.filesusr.com/ugd/9f4b57_3a70df75da63438a90b91a5e887861ab.pdf?index=trueIn PDF document text
- https://d920bd67-dfaf-4c99-85b0-fcb8118dfb91.filesusr.com/ugd/383849_16d57d59e24043ca82155b3f27d56a04.pdf?index=trueIn PDF document text
- https://28546a20-d0cc-4b82-bb4f-6711990cd5a3.filesusr.com/ugd/0bcf16_cfccad3946aa46eea315022d3e57fa30.pdf?index=trueIn PDF document text
- https://de80b27d-cc0d-4a57-9176-3e06babc0ea8.filesusr.com/ugd/e54fc7_080f6864f2aa49219b8ecb4bb9010231.pdf?index=trueIn PDF document text
- https://5d94d51b-2702-4b64-8df3-eadd022f3edc.filesusr.com/ugd/2ddd39_e25b107b8d4c4d66bb7c8777ee5b569b.pdf?index=trueIn PDF document text
- https://9b08d158-0e0f-4203-9b31-e1272d977b1c.filesusr.com/ugd/086daf_ef7f4668392c4dd8a97a4cc11542b54c.pdf?index=trueIn PDF document text
- http://punegisegavugaf.epizy.com/avanza_veloz_1._5_manual_2015.pdfIn PDF document text
- http://fegarezitima.rf.gd/bhoot_fm_september_2018_episode.pdfIn PDF document text
- https://46c0acaa-de7d-4f46-84f0-c2cf1d8ff7d9.filesusr.com/ugd/ac1638_9ad64c9af8034f4e8cccdb2b4f2751e8.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_off0000e05a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE05A | 5576 bytes |
SHA-256: 3f49b393e7a713b2121b330018c2a86385caf74adb5d755521ab372dfb1c6010 |
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font_01_sfnt_off0000f32c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF32C | 11316 bytes |
SHA-256: 23749e74f44abacdc569185469a73d3eb5230a6c44fedef58d8cfa4d5edbf334 |
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