Malicious PDF — malware analysis report

Static analysis result for SHA-256 9eb90fbc2ef70711…

MALICIOUS

PDF

71.1 KB Created: 2021-03-28 23:28:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 7c364bd85709bd978f415fa8d522da4f SHA-1: c35f4306fdaf0cc19b93d6a87da79976745c43e9 SHA-256: 9eb90fbc2ef7071124ed13010579ce70243ba4f4642f01268db5a58849e065da
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://leonvi.ru/wix?keyword=n64+apk+download PDF link annotation
    • http://graatorama.space/how_to_remove_control_lock_on_whirlpool_dishwashere53a0.pdfIn PDF document text
    • http://rimawebonozavi.iblogger.org/juxivajalojamufofaxarisu.pdfIn PDF document text
    • http://servisvds.ru/etica_para_amador_capitulo_3_y_4_resumenqgowi.pdfIn PDF document text
    • http://veronaital.space/1875847272274lq9.pdfIn PDF document text
    • http://airet.space/klementinum_library_guided_tour2o2fi.pdfIn PDF document text
    • http://mewajopu.22web.org/nivoxe.pdfIn PDF document text
    • http://support-copyrighthelpservice-about.com/sukojaketevoqd94r.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/wexoteluwag/free_sports_certificate_templates_for_word.pdfIn PDF document text
    • https://s3.amazonaws.com/gurupixabogivaz/26120877629.pdfIn PDF document text
    • https://s3.amazonaws.com/pafexegud/is_it_ok_to_have_a_w_on_your_transcript.pdfIn PDF document text
    • http://musepojomu.rf.gd/zoology_practical_class_12_tamil_medium.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/15a3c9be-25a1-402a-9182-1818a300aa8b/ruxururi.pdfIn PDF document text
    • http://mufifofoge.epizy.com/four_4s_answers_1-_50.pdfIn PDF document text
    • http://xefujexomige.epizy.com/owners_manual_for_sentry_safe.pdfIn PDF document text
    • https://s3.amazonaws.com/begijufadi/medosukiwubiti.pdfIn PDF document text
    • https://s3.amazonaws.com/pilazi/11797848461.pdfIn PDF document text
    • https://s3.amazonaws.com/lulelepese/addition_worksheets_for_1st_grade_with_pictures.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0fc87b07-c163-4bac-9e78-c542eebb3260/spotted_lanternfly_what_eats_them.pdfIn PDF document text
    • https://s3.amazonaws.com/bokelur/tesaboma.pdfIn PDF document text
    • http://gulumejujuvutid.rf.gd/88139962437.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_off0000d597.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD597 5048 bytes
SHA-256: 5d42df0cac9d328abd0f0acf8094063fb0553f25ffbe1e0a9e66a0425c06d907
font_01_sfnt_off0000e6fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6FA 12132 bytes
SHA-256: 3905ac683b26c8dcbd24ac8de3ea060fb3d5f6383bb933afbc22edd8661e871b

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