Malicious PDF — malware analysis report

Static analysis result for SHA-256 5018beaeb184559f…

MALICIOUS

PDF

121.5 KB Created: 2021-04-02 05:58:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ae0ca7820e938aebc8bfa7eefb10d53f SHA-1: 9f1c81928663756c22e23e7da2de975bbed5e9a8 SHA-256: 5018beaeb184559fb5ea31bdc949e55dcd5516475e43d25198ac8da54f46c0ca
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of an external URI pointing to 'golowaki.ru' suggests the document is designed to redirect users to a potentially harmful website. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9981

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://golowaki.ru/wix?keyword=diosas+griegas+nombres+y+significados
    • http://beautytopshop.site/21238888996odp6m.pdf
    • https://zemutixo.weebly.com/uploads/1/3/4/8/134865820/69a618dcc27404.pdf
    • http://gvidilon.ru/best_ballads_of_the_70s_youtubee0u8t.pdf
    • https://cdn.sqhk.co/wenewojufaj/jff1eAS/masojefozaraza.pdf
    • https://dapazigozasonim.weebly.com/uploads/1/3/4/4/134466252/20193.pdf
    • http://bettermoneytips.com/badass_alter_ego_names_female82vte.pdf
    • http://swiss-gear.shop/438685434624aqzw.pdf
    • http://netewe9.xyz/reference_citation_generator_apa_format56hns.pdf
    • https://fobanuvoba.weebly.com/uploads/1/3/1/6/131637247/6091306.pdf
    • http://chategratis.online/rime_of_the_ancient_mariner_lyrical_balladsj3dnv.pdf
    • https://cdn-cms.f-static.net/uploads/4375907/normal_602ca43123db8.pdf
    • https://renudufodajofi.weebly.com/uploads/1/3/4/8/134884992/bupelef.pdf
    • https://cdn-cms.f-static.net/uploads/4414342/normal_602a2b1903901.pdf
    • http://samozanyat.info/77097855112h4j05.pdf
    • http://pubggaming.online/how_to_self_install_optimum_modemlm66c.pdf
    • http://tvoeobrazovanie.fun/54784337082qgu9l.pdf
    • https://cdn.sqhk.co/pevelefotuve/QIbihhd/platform_bed_with_headboard_and_footboard.pdf
    • http://lavkavkusa.store/639710623280bex5.pdf
    • https://static.s123-cdn-static.com/uploads/4479210/normal_5ffbb226a3054.pdf
    • https://supenavasude.weebly.com/uploads/1/3/5/3/135397397/metanufotokuxevibe.pdf
    • https://cdn-cms.f-static.net/uploads/4369508/normal_5fd877a27d89f.pdf
    • https://static.s123-cdn-static.com/uploads/4494875/normal_5ff507ba1b02b.pdf
    • https://cdn.sqhk.co/bamosabubesi/jfBjaid/fruit_bubblegum_salt_nic.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://peronilekovo.rf.gd/identifying_place_value_worksheets_grade_3.pdf
    • http://lojupodinitaxug.epizy.com/hunger_games_mockingjay_part_2_free_online_streaming.pdf
    • http://rubigireluj.rf.gd/vupadorexi.pdf
    • http://bokizimumizom.epizy.com/fapukufoxarofow.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_off00019bb7.bin
0cddeb6ad80dbf6358f3d7c1a5907951847e7a05e04e3b38f960436ba7916bce
pdf-font-stream PDF embedded font (sfnt) at offset 0x19BB7 5552 bytes
font_01_sfnt_off0001ae8f.bin
542aeea6cb1bc5a787bd4fb80438cad8a05844d8f260d1bc9fb0e773b27e87f4
pdf-font-stream PDF embedded font (sfnt) at offset 0x1AE8F 12764 bytes