Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e17293fc22d5f2c…

MALICIOUS

PDF

89.1 KB Created: 2021-01-27 09:12:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 75e22da64a0d746948240783596e8fa7 SHA-1: 2a6c2128bf9c9785292021ec73b15a0d52c0cac2 SHA-256: 5e17293fc22d5f2c60f67832f05ac6a00b9944ed55aee4ad8bb8e657f7ec8706
156 Risk Score

Malware Insights

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

The critical heuristic SE_SECRET_RECOVERY_LURE indicates the document directly requests sensitive recovery information, such as private keys or backup codes. The embedded URL and ClamAV detection further support a malicious classification, likely related to phishing or credential theft. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to direct the user to a malicious site for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
    Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
  • 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://traffset.ru/wb?keyword=legit%20free%20litecoin%20mining%20sites PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4452599/normal_6001683ab2001.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4448547/normal_5ff34276e3a85.pdfIn PDF document text
    • https://cdn.sqhk.co/xarozowuzosa/iaIrl8Y/minecraft_new_world_craft_2020.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426942/normal_5fe241136e28f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4449183/normal_5febb4e89f1c1.pdfIn PDF document text
    • https://cdn.sqhk.co/ketejeti/PgcVTjb/gises.pdfIn PDF document text
    • https://cdn.sqhk.co/gotakavapu/AGPZiib/first_aid_training_in_gujarati.pdfIn PDF document text
    • http://diwejibazetar.iblogger.org/98035108120.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4420037/normal_6002642104642.pdfIn PDF document text
    • http://rorezorejadij.iblogger.org/kegitaxuxu.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/xalexojaxipud/sheetz_store_manager_jobs.pdfIn PDF document text
    • https://s3.amazonaws.com/tonisefoteka/how_to_minecraft_mods_on_macbook.pdfIn PDF document text
    • https://s3.amazonaws.com/bisiku/hk_travel_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/wetevali/format_sd_card_corrupted.pdfIn PDF document text
    • https://s3.amazonaws.com/dogazisuze/kibetebusejuv.pdfIn PDF document text
    • http://vuvuvemalazot.epizy.com/interview_skills_ppt.pdfIn PDF document text
    • https://s3.amazonaws.com/xeruxaxer/gilti_calculation_template.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_off00012205.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12205 4932 bytes
SHA-256: 3a5a2e3a2afef389824e798d1934b92aa22d2f8ce8b9f31379f21220e3305b91
font_01_sfnt_off000132c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x132C7 10664 bytes
SHA-256: 45cbc51cbf45445dc55cd6584514f36612f80537ab1600cbfdf1eed8e5575b2c

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