Malicious PDF — malware analysis report

Static analysis result for SHA-256 3db09ebdef8baff9…

MALICIOUS

PDF

148.3 KB Created: 2021-04-09 23:12:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-24
MD5: 2da207565da1b84a5d36907ad8680a2e SHA-1: e74e3057c4f5f3deb64116cc10d82525a4ca494f SHA-256: 3db09ebdef8baff9f2a7764eaffdde4f9829fc34535c2e365beee04f77b91646
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that mimics a search engine result, likely to trick the user into visiting a malicious site. ClamAV and ML classifiers strongly indicate maliciousness, and the PDF structure itself contains suspicious elements. The primary IOC is the external URI pointing to a suspicious domain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9987

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://baarspo.ru/strik?utm_term=what+are+the+major+beliefs+of+protestantism PDF link annotation
    • http://luxibenuguk.getenjoyment.net/compound_complex_sentence.pdfIn PDF document text
    • http://paruvam.22web.org/rivupulivunasa.pdfIn PDF document text
    • https://cdn.sqhk.co/lojosewude/jhPbHia/85260421446.pdfIn PDF document text
    • https://cdn.sqhk.co/kubabulukod/8iihbq9/59262476399.pdfIn PDF document text
    • https://cdn.sqhk.co/latosagax/hr8fdnr/merge_magic_challenge_16_help.pdfIn PDF document text
    • http://zawugudumi.getenjoyment.net/viking_stove_parts_list.pdfIn PDF document text
    • https://cdn.sqhk.co/mifijizudi/jMlMieY/ronenubonerowufuwulebigex.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://worurekebisur.rf.gd/pafudekuxobumudukajibago.pdfIn PDF document text
    • https://s3.amazonaws.com/lixuzo/supipuximavuzipavipix.pdfIn PDF document text
    • http://gumusimigogasuz.onlinewebshop.net/dijuxi.pdfIn PDF document text
    • https://s3.amazonaws.com/kovilowab/wanejapirukoniwigujafo.pdfIn PDF document text
    • https://s3.amazonaws.com/sefipa/vipokaxogibikosimebalot.pdfIn PDF document text
    • https://s3.amazonaws.com/guwutivupudutu/safety_glasses_for_covid.pdfIn PDF document text
    • https://s3.amazonaws.com/remuv/lofubasolumujagamanovu.pdfIn PDF document text
    • https://s3.amazonaws.com/zozofufulolig/tanokazopaxekigejixajeda.pdfIn PDF document text
    • https://s3.amazonaws.com/wujixus/military_hand_signals.pdfIn PDF document text
    • https://s3.amazonaws.com/nutanigonu/codigo_penal_comentado_bitencourt.pdfIn PDF document text
    • https://s3.amazonaws.com/pegebunov/dale_earnhardt_trading_card_value.pdfIn PDF document text
    • https://s3.amazonaws.com/ruzaganog/what_is_drill_pay_in_the_military.pdfIn PDF document text
    • http://fefisapuvekebi.epizy.com/formation_of_hormones_in_thyroid_gland.pdfIn PDF document text
    • http://jikafazasakojob.epizy.com/bachelor_thesis_example.pdfIn PDF document text
    • https://s3.amazonaws.com/bipovoromoj/vasovagal_syncope_handout.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_off000207c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x207C3 5372 bytes
SHA-256: b2d7a804bfff5b5cc26946bee7ea94e22fad229c585b962c41dd77463c3731cb
font_01_sfnt_off000219e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x219E9 11812 bytes
SHA-256: 28d1fade34e6eb0047224bb5a2d4fad9d017fc986692ffb0f638006aa99a3ddf

Open this report in the interactive analyzer, or submit your own file for analysis.