MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 0.9998
Heuristics 5
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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 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/123?utm_term=tipos+de+procesadores+de+textos+y+sus+funciones PDF link annotation
- http://berezarivire.iblogger.org/civil_engineering_project_reports_free.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451045/normal_5fdc86dee3bd1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376105/normal_5fdec4ad68c6c.pdfIn PDF document text
- http://detarekowopowub.22web.org/colored_corrugated_paper_sheets.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4477376/normal_5fc64b399765a.pdfIn PDF document text
- http://bella24.xyz/33957971274wpp7c.pdfIn PDF document text
- http://xovekofetovo.66ghz.com/coliform_in_urine_nhs.pdfIn PDF document text
- http://tigatixe.iblogger.org/mafabokutepuxe.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4457848/normal_5ff613c4b94e1.pdfIn PDF document text
- https://mutolumikiwow.weebly.com/uploads/1/3/1/8/131872082/8973428.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377647/normal_5fd89e51a54c2.pdfIn PDF document text
- http://front-glass.website/gerugaguwuwoxen4ofys.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://lekekavom.epizy.com/best_app_for_ipad_pro_pencil.pdfIn PDF document text
- http://deravamosu.rf.gd/cordova_android_assets_path.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ce09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE09 | 5120 bytes |
SHA-256: d79979c0a7617de3009ab960ba38228240bf1b5703036bda50aadf4470fd1ce9 |
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font_01_sfnt_off0000df86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF86 | 11356 bytes |
SHA-256: 05a246051592d7f5128d8a3c2bb014732daaa1ad2aa1c3541b7b25f8261cd7a0 |
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font_02_sfnt_off0001043a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1043A | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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