Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2a0f69e90019eaf…

MALICIOUS

PDF

68.1 KB Created: 2021-02-16 12:01:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: e3a328b5b55ceef668ac65fba6cebf40 SHA-1: 26da424d911cd5185f164c2ce0c5c828c527d1d3 SHA-256: d2a0f69e90019eaf2eee677ca732382c1facc393b7ab5194d5d706c24d5364c2
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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://seumenha.ru/wix?keyword=khasakkinte+ithihasam+pdf+download PDF link annotation
    • https://jikabokuw.weebly.com/uploads/1/3/4/6/134658058/gawokuzazunojawa.pdfIn PDF document text
    • https://gifolavetufo.weebly.com/uploads/1/3/2/6/132695571/donuriliz.pdfIn PDF document text
    • https://sunutefe.weebly.com/uploads/1/3/5/3/135350425/favarurumuwagom.pdfIn PDF document text
    • https://gufobetatogeset.weebly.com/uploads/1/3/1/0/131069923/4570283.pdfIn PDF document text
    • https://cdn.sqhk.co/demejapad/jahcjhe/sexasavuvewiz.pdfIn PDF document text
    • https://cdn.sqhk.co/safubuguva/AigjEUN/download_game_drake_n_trap_mod_apk.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4428078/normal_5fd03edc4e6a1.pdfIn PDF document text
    • http://ninavadilu.22web.org/8474370934.pdfIn PDF document text
    • http://casbah2point0.com/microsoft_office_clipart_borders_freeo6pfp.pdfIn PDF document text
    • https://cdn.sqhk.co/rifojimuna/ehb1g38/xozodufel.pdfIn PDF document text
    • https://cdn.sqhk.co/lituxopevuk/hxkjggg/airfighters_pro_for_android_free_download.pdfIn PDF document text
    • http://teksalle.xyz/majulowemazasusegp780.pdfIn PDF document text
    • http://chambrehq.xyz/zozeremizerojamozabys5hh.pdfIn PDF document text
    • http://onlineeshop24.xyz/neil_gaiman_american_gods_free_do4lvs.pdfIn PDF document text
    • https://tigewatujuw.weebly.com/uploads/1/3/0/7/130738543/9309195.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366969/normal_5ff95dbab9677.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://koxikid.epizy.com/calibration_standard.pdfIn PDF document text
    • http://fadowudi.rf.gd/negative_formal_command_lavar.pdfIn PDF document text
    • http://vakalugofiw.rf.gd/fumeto.pdfIn PDF document text
    • http://rosiwik.epizy.com/nepuxob.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_off0000cf2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCF2B 5312 bytes
SHA-256: a9c45f4f36d72ef1721798f356cfbb6b646b3ab37adac9aab49023c3153e7c6a
font_01_sfnt_off0000e12c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE12C 9912 bytes
SHA-256: a48472183ced39b126bf6309ca0057b646d4c620876365dbee6877e0ec1e9843

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