Malicious PDF — malware analysis report

Static analysis result for SHA-256 2950d02c9f241908…

MALICIOUS

PDF

75.0 KB Created: 2021-05-09 16:44:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 89f49043b32a2161458af0d91dbc014a SHA-1: 678210e8eb8fb7235ced015927b433ce8747a5d8 SHA-256: 2950d02c9f2419086a07ef8b52a7e38ae95aefd03f5a534f63ca7e836d3114ae
96 Risk Score

Malware Insights

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

The PDF contains an embedded URL that redirects to a phishing page, disguised with a seemingly innocuous search query. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to trick users into visiting a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://lozipotod.ru/strik?utm_term=how+to+change+oil+ariens+snowblower
    • https://cdn.sqhk.co/sogefuluf/npPjf6E/line_dance_songs_2019_country.pdf
    • https://cdn.sqhk.co/verinomo/ggp0hie/48861988098.pdf
    • https://static.s123-cdn-static.com/uploads/4411481/normal_5fca584140561.pdf
    • http://idealica-it.website/platformer_rpg_app68unq.pdf
    • https://cdn.sqhk.co/nukuzulu/GhfzVSp/xikufubid.pdf
    • http://zugipipekuf.22web.org/samsung_6290_manual.pdf
    • http://slamelina.website/what_kind_of_oil_does_a_husqvarna_push_mower_use9floq.pdf
    • https://cdn-cms.f-static.net/uploads/4366949/normal_5fd0e38b41b86.pdf
    • http://creditreportus.info/60242550804ap3d2.pdf
    • https://cdn.sqhk.co/bagadogod/cCijjdp/rudobavefibeguwew.pdf
    • http://lulilafemavivog.mygamesonline.org/biometria_hematica_perros.pdf
    • https://cdn-cms.f-static.net/uploads/4453336/normal_60139db1169e7.pdf
    • http://zekifafeter.scienceontheweb.net/cambridge_checkpoint_english_workbook_8.pdf
    • https://cdn-cms.f-static.net/uploads/4456140/normal_6020c085f125f.pdf
    • http://xuxikurov.mygamesonline.org/descriptive_cross_sectional_study_design.pdf
    • http://reduslim-italia.website/4666863268yne2n.pdf
    • http://basiditdcf.space/xuwexalipitifagulopubefu8khbc.pdf
    • http://reform-st.ru/6008600897wohbl.pdf
    • http://labifovejes.mypressonline.com/80061354077.pdf
    • http://hesap-al-sat.com/bevesixamefikoj86usc.pdf
    • https://cdn.sqhk.co/zofizitene/eckgizP/xoparujevokozaxifa.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://magepuvobajibi.epizy.com/history_of_computer_invention.pdf
    • http://nemidet.epizy.com/gujarat_high_court_assistant_2018_answer_key.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e729.bin
ff9503dacf68b1c3ae0fdee6c05243c57759cdb336417bafbf25e90bfce907ec
pdf-font-stream PDF embedded font (sfnt) at offset 0xE729 5252 bytes
font_01_sfnt_off0000f915.bin
a0b16215977c6be67283d7639734656913283735232d748e6c5e104f140c5345
pdf-font-stream PDF embedded font (sfnt) at offset 0xF915 10956 bytes