Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d7298afc36b57e3…

MALICIOUS

PDF

78.8 KB Created: 2021-02-22 10:37:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: a67d848a5c702575e07ebde1befdec9c SHA-1: 3e92fa3a1172f8fe6a31cba06b575ed2a964024b SHA-256: 0d7298afc36b57e3720c1eb32dc77d98675e6413ae98dbf951730cb2c037e533
96 Risk Score

Malware Insights

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

The PDF contains an embedded URI pointing to a suspicious domain, which is a strong indicator of a phishing or malware distribution attempt. The ML classifier and ClamAV detection further confirm its malicious nature. While no scripts were explicitly extracted, the presence of embedded URLs and the overall detection suggest an attempt to redirect the user to a malicious site, likely for credential harvesting or further payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://maypoin.ru/wb?keyword=masters%20in%20wildlife%20conservation%20europe PDF link annotation
    • https://cdn.sqhk.co/melipetoluf/a0uYagg/scary_maze_io_game.pdfIn PDF document text
    • https://cdn.sqhk.co/bisuligiga/ieJPVic/13873450364.pdfIn PDF document text
    • https://kumobavubisu.weebly.com/uploads/1/3/0/7/130775432/busevekawaxameboti.pdfIn PDF document text
    • http://xigesoti.iblogger.org/does_obd2_read_abs_codes.pdfIn PDF document text
    • https://pupadidaf.weebly.com/uploads/1/3/0/8/130873798/gasusuzesedukogiv.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4465687/normal_5fd3aa4c14ac8.pdfIn PDF document text
    • https://godowipi.weebly.com/uploads/1/3/4/5/134520373/aa121b24.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4460473/normal_5ff7c6ab863b0.pdfIn PDF document text
    • https://cdn.sqhk.co/gulizate/mrwyiaO/sandwich_near_me_shops.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481662/normal_60226af06e2dd.pdfIn PDF document text
    • https://cdn.sqhk.co/lexaxemiji/dqJifRV/wavudibidiniz.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4487419/normal_5ff7aa4c52085.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://javisan.epizy.com/27588935141.pdfIn PDF document text
    • http://xupanapil.epizy.com/photo_animator_app.pdfIn PDF document text
    • https://s3.amazonaws.com/somisilegex/black_law_dictionary.pdfIn PDF document text
    • http://fonaxipovun.epizy.com/57903514445.pdfIn PDF document text
    • https://s3.amazonaws.com/kiguteperilodu/chemistry_test_introduction_to_chemical_reactions_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/wulagisi/answer_to_complaint_for_modification_form_massachusetts.pdfIn PDF document text
    • https://s3.amazonaws.com/novifamigot/1139127697.pdfIn PDF document text
    • https://s3.amazonaws.com/gifiz/english_dictionary_apk_app.pdfIn PDF document text
    • https://s3.amazonaws.com/kavalukato/authentication_required_while_ing_app.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e841.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE841 5188 bytes
SHA-256: 8b666f8ba1eb00e41bb2835500d74fe0519c4d296a2f5a4b3c9d35f8f2600acc
font_01_sfnt_off0000fa06.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA06 11180 bytes
SHA-256: e52de822ca44647001f297296a2c1f4d0f1637aaa3ccac3162b23b90a1cf8f35
font_02_sfnt_off00011f57.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11F57 4324 bytes
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333

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