Malicious PDF — malware analysis report

Static analysis result for SHA-256 32e61c75ffc29d19…

MALICIOUS

PDF

63.1 KB Created: 2021-02-05 17:45:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-01
MD5: e35ad84c3d0e3da65541bf791d7842fd SHA-1: 9ac7690525d65912488387a0e9875c606b99b3ab SHA-256: 32e61c75ffc29d19496f3ba0f24696898ef61925d14a599f9f9a5e229f858df3
226 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small 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.
  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • 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://leonvi.ru/aws?utm_term=doterra+australia+product+guide+pdf PDF link annotation
    • https://cdn.sqhk.co/posogamumut/JjbihM9/magic_cleaner_for_whatsapp_apk.pdfIn PDF document text
    • http://rimisirotox.iblogger.org/jederezumubuwinosi.pdfIn PDF document text
    • https://gapivawaki.weebly.com/uploads/1/3/1/8/131857152/sutelikiruvixe.pdfIn PDF document text
    • http://wirodapupoz.iblogger.org/cash_flow_analysis_notes.pdfIn PDF document text
    • https://xidelesa.weebly.com/uploads/1/3/4/4/134498911/e5b64bd.pdfIn PDF document text
    • https://betutoza.weebly.com/uploads/1/3/4/8/134899773/f70d362ada.pdfIn PDF document text
    • https://cdn.sqhk.co/nowovadizeb/gjdsjhX/connect_pipes_under_kitchen_sink.pdfIn PDF document text
    • https://cdn.sqhk.co/gudijupimeb/hgiihhG/choppa_go_blocka_blocka_mp3_download.pdfIn PDF document text
    • https://negijozizur.weebly.com/uploads/1/3/0/7/130775009/nofirijadatotem.pdfIn PDF document text
    • https://cdn.sqhk.co/dodamewope/hdUWhdn/nubobaxisula.pdfIn PDF document text
    • https://vipelunova.weebly.com/uploads/1/3/2/7/132712034/lotatug_menofedesimivi_bevivamogo_todogitarutib.pdfIn PDF document text
    • https://lipamonevarila.weebly.com/uploads/1/3/1/4/131453989/vezabofa.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://lovopezabima.epizy.com/43377146421.pdfIn PDF document text
    • http://dapomajaberi.epizy.com/likuvugodo.pdfIn PDF document text
    • http://puzasapexuwuju.epizy.com/free_dreamweaver_website_templates_cs6.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.

FilenameKindSourceSize
font_00_sfnt_off0000b948.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB948 5320 bytes
SHA-256: 56a973a9336adb2bae750573480f1e4f7e78208f1f0e059fe50f87444a6b54b9
font_01_sfnt_off0000cb76.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB76 10884 bytes
SHA-256: bdbcfeafc30f5ab0209b3e7a478f0a8e61c222630d6297ba0132cfe52c96d9e7

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