Malicious PDF — malware analysis report

Static analysis result for SHA-256 a469623e271a5855…

MALICIOUS

PDF

71.7 KB Created: 2021-02-28 19:41:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: a0fad5eb979d70823159915fb7678ebf SHA-1: e1ade37c37548c28c15952eeeebed2f51a963471 SHA-256: a469623e271a58557614a0e25ec3c6427df34da6846a59e5ae57b6a4e5cf3d6c
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 5

  • 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 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://botokaw.ru/wix?keyword=lucky+patcher+guide+2017 PDF link annotation
    • https://vibufimibe.weebly.com/uploads/1/3/0/7/130738819/tebodin_xomelo_nifas_dadeluv.pdfIn PDF document text
    • https://lideteli.weebly.com/uploads/1/3/0/7/130775407/357597.pdfIn PDF document text
    • https://wulakajif.weebly.com/uploads/1/3/2/7/132740593/8263452.pdfIn PDF document text
    • http://aicberg.net/strategic_manpower_planning_template63bn7.pdfIn PDF document text
    • http://miligiwu.iblogger.org/85587521155.pdfIn PDF document text
    • http://towufato.mywebcommunity.org/la_iliada_en_ingles.pdfIn PDF document text
    • http://lobulezinovux.medianewsonline.com/webizokoma.pdfIn PDF document text
    • http://lnstagramcopyrighthelps.com/72149941842wludv.pdfIn PDF document text
    • https://bigubiforuse.weebly.com/uploads/1/3/5/3/135389938/duriparimolafin.pdfIn PDF document text
    • http://nout-sale.site/pelidazokegiwizk7qz0.pdfIn PDF document text
    • http://bet-info.ru/97597263431c587s.pdfIn PDF document text
    • http://yarrebitteh.online/tujativelokidokax2eode.pdfIn PDF document text
    • http://x-bionic.shop/how_to_fix_water_leak_from_water_heaternfo65.pdfIn PDF document text
    • http://mawosatejojeka.sportsontheweb.net/dixeritifuxunuziwigafefep.pdfIn PDF document text
    • http://skout.tech/2005_jeep_grand_cherokee_radio_screen_not_workingccpus.pdfIn PDF document text
    • http://bhd-management.space/26375382309u1khl.pdfIn PDF document text
    • http://gakukuketisalum.scienceontheweb.net/17519549758.pdfIn PDF document text
    • http://sberetransfer.online/laduzefimiz04wim.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/kovibu/lugufonojudivebizu.pdfIn PDF document text
    • http://tidovikuvam.epizy.com/guardian_university_guide_2019_engineering.pdfIn PDF document text
    • http://lebubenopi.rf.gd/usapa_pickleball_score_sheets.pdfIn PDF document text
    • http://dozonexupiwef.epizy.com/logitech_harmony_700_manual.pdfIn PDF document text
    • http://pegowalinasaduk.rf.gd/morevine.pdfIn PDF document text
    • https://s3.amazonaws.com/rozebofukixus/baldur_s_gate_2_android_obb.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_off0000db7f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB7F 5636 bytes
SHA-256: 271e3c63826a6f96b773df17658c6ed16200413f083a7210f80654d5a0a62c8e
font_01_sfnt_off0000eec8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEC8 10148 bytes
SHA-256: 805b210463a296ce61a97704bf9f78f10ffcea803f09b409b4c7cac9898153e0

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