Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d4ce2b89a71f520…

MALICIOUS

PDF

74.3 KB Created: 2021-02-17 23:12:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: 9222d3bd3ee842e25849a1223f0ef746 SHA-1: 77141c4bdb18676413426dd2b1b041daf040f9c5 SHA-256: 9d4ce2b89a71f520f2cb6a08cbb7fde495e0da87c8d4120d6e1b5d4eef2b84ea
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL that mimics a search query, likely intended to trick the user into visiting a malicious site. The presence of embedded URLs and the ML detection strongly suggest a phishing or credential harvesting attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://maypoin.ru/wb?keyword=what%20happens%20in%20outlander%20book%206 PDF link annotation
    • http://xbet1.fun/inferences_worksheet_6qelx6.pdfIn PDF document text
    • http://begemot.space/android_13_dokkan_intnh1rz.pdfIn PDF document text
    • http://dasonudulikuvon.22web.org/buddha_wallpaper_for_mobile.pdfIn PDF document text
    • http://mishgen.com/sexuality_in_african_cultureuka6g.pdfIn PDF document text
    • https://cdn.sqhk.co/lovolipeg/bkMGdN0/nebulous._io_hack_apk_2020.pdfIn PDF document text
    • http://my-favshop.online/sukapoxixaruki1mqo8.pdfIn PDF document text
    • https://cdn.sqhk.co/pugudanirav/lFheiag/48451684589.pdfIn PDF document text
    • http://marafonsport.site/82105741051yol5.pdfIn PDF document text
    • https://cdn.sqhk.co/posebozej/zgeiaib/kimiwalenonivig.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/lolaritemukole/taridopixisarupepubiv.pdfIn PDF document text
    • https://s3.amazonaws.com/lizuseguwix/canon_80d_eos_utility_india.pdfIn PDF document text
    • https://s3.amazonaws.com/jolituzoji/17602638856.pdfIn PDF document text
    • https://s3.amazonaws.com/remeranexe/59178019435.pdfIn PDF document text
    • http://benepuru.epizy.com/redis_for_windows_7.pdfIn PDF document text
    • http://logururud.epizy.com/galvanized_sheet_metal_sales.pdfIn PDF document text
    • https://s3.amazonaws.com/zarevizebi/wogemosikatag.pdfIn PDF document text
    • https://s3.amazonaws.com/vapite/litterature_africaine_negritude.pdfIn PDF document text
    • https://s3.amazonaws.com/xuxifuzituwu/rakafikojofose.pdfIn PDF document text
    • https://s3.amazonaws.com/jujadodedaruxix/underground_bunker_design_plans.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_off0000e50c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE50C 5420 bytes
SHA-256: 4f6210bbeb835764da62003f99735c87034f5debef00e77206d9d57ca7a77832
font_01_sfnt_off0000f773.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF773 10584 bytes
SHA-256: 5e632849a948445effa4e3aef2e71f31a150053dc393293cdf98bdf40c09fb3b

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