PDF malware analysis — malicious · efe01bd6fef7bcba

MALICIOUS

PDF

62.5 KB Created: 2021-02-18 20:59:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10

MD5: 09a772230b672e9ce9af1a1c445f9268 SHA-1: ecb8f16d6af7508470fb36cf347d2fd5b66d5ee0 SHA-256: efe01bd6fef7bcbab5c911759328bb35a84d392144a176a98e1b408b2703a87f

126 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small 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.
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://jottigo.ru/wix?keyword=sushi+maru+spokane+wa PDF link annotation
- http://hookup682.site/el_banquete_o_del_amor_platonbd57r.pdfIn PDF document text
- https://tujurexi.weebly.com/uploads/1/3/4/7/134743655/zavado.pdfIn PDF document text
- https://siputewebototab.weebly.com/uploads/1/3/4/4/134480832/toxodozaga.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375514/normal_60246372b1e1b.pdfIn PDF document text
- http://milanbeachs.space/excel_sheet_for_expenses_and_income_monthlyp9le3.pdfIn PDF document text
- http://pushbiz.fun/730404036006sbtw.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377381/normal_600dcb215966a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4424361/normal_5ff144371a682.pdfIn PDF document text
- http://wamawebikojas.22web.org/banjara_video_song_chinni_chinni.pdfIn PDF document text
- https://gofolepoxi.weebly.com/uploads/1/3/4/8/134882907/4db7e8a1.pdfIn PDF document text
- https://juwujumatel.weebly.com/uploads/1/3/4/0/134042908/lited.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000b8e0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB8E0	5288 bytes
SHA-256: `4ec0ff4e44ac55c04167ac51102c3257a1b794b1fb0f8f9412a2ef37a1758f2b`
`font_01_sfnt_off0000caba.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCABA	10176 bytes
SHA-256: `153d15cdeb19b3a4519f3a8f8963e443df9cfd5e50518f734849b3ff3ceafe8c`

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