Malicious PDF — malware analysis report

Static analysis result for SHA-256 e429bbb64ec4e1c9…

MALICIOUS

PDF

72.8 KB Created: 2021-03-06 11:33:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-02
MD5: 5829cec710cb183d1b9495bc9f946904 SHA-1: 2911753e2163d2dc30bc3c9556750c453fd3cbf4 SHA-256: e429bbb64ec4e1c9a1f68118d687b6b0e444879eb7552db3eee8d14069d35eb8
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that directs users to a website offering firmware for a Panelview device, which is likely a lure. ClamAV and an ML classifier identified the file as malicious, specifically a phishing trojan. The presence of embedded URLs and the nature of the content suggest a phishing attack aimed at redirecting users to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://fokemale.ru/123?utm_term=panelview+1000+plus+firmware PDF link annotation
    • https://cdn.sqhk.co/kululojilo/G0iinbB/kiburarovejozoxutogobafij.pdfIn PDF document text
    • https://cdn.sqhk.co/dovawowo/efzR3at/funanijumowaxibez.pdfIn PDF document text
    • http://galajikimozupu.iblogger.org/simple_molecular_structure_boiling_point.pdfIn PDF document text
    • https://cdn.sqhk.co/kubepugemaki/Hx7UgiF/birds_of_prey_2020_cast_joker.pdfIn PDF document text
    • https://cdn.sqhk.co/tabuguran/Jgijcgh/heart_emoji_iphone_to_android.pdfIn PDF document text
    • http://govnosiakxws.online/how_to_install_playonmac_on_catalinat05yl.pdfIn PDF document text
    • https://cdn.sqhk.co/rukeditele/wiaCXia/fajoko.pdfIn PDF document text
    • http://daimontimur.org/70972059485qq9c8.pdfIn PDF document text
    • https://cdn.sqhk.co/bapuwanuvadi/7xs3hi3/hindu_calendar_2020_august.pdfIn PDF document text
    • http://japadalifu.22web.org/lilumomemarimibov.pdfIn PDF document text
    • https://cdn.sqhk.co/levowexesu/e18iabn/54326624709.pdfIn PDF document text
    • https://cdn.sqhk.co/woledibiroju/jdjcjj8/my_octopus_teacher_full_movie_online.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/95588103-14d2-4393-8347-a418aafd38e9/64681871249.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a0241a24-3603-4460-9261-211b122656c3/psalm_23_niv_song.pdfIn PDF document text
    • http://linopiziv.epizy.com/alpha_mind_power_music_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/321f7dad-2384-4482-a25d-d088a822b93e/tom_clancys_rainbow_six_siege_gameplay_part_1.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/312ba4ab-ce5e-4b72-9ee8-99178564a84b/area_and_perimeter_of_irregular_shapes_worksheet_grade_5.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/89f0eed4-997a-4f54-9b94-332475f10345/how_to_turn_on_bluetooth_in_dell_latitude_e5470.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_off0000dfa7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFA7 5392 bytes
SHA-256: a629e407bb15406bd6781b289edd4a478f0062f1cb416bca34ea7d5642d58845
font_01_sfnt_off0000f207.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF207 10688 bytes
SHA-256: f67d26ab3df4f18a98602b1c6cc4a0ac654f0079f24462049601e713f27bf335

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