Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e34ddd531dd967e…

MALICIOUS

PDF

65.2 KB Created: 2020-12-08 01:53:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: b2e23b02c0cf00e67f655668cf2ac903 SHA-1: 89eea860acc4c8e673842d2e1b2f2476393f1de1 SHA-256: 7e34ddd531dd967ec31e8d4538b9f1f6efe17f75726e411ff55313e9faf893e7
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://trafftec.ru/123?utm_term=5000+watt+inverter+charger PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4380219/normal_5fc6487ae7760.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370762/normal_5f8abe26dda82.pdfIn PDF document text
    • https://wegogutez.weebly.com/uploads/1/3/4/3/134310606/443f80.pdfIn PDF document text
    • https://bujupovira.weebly.com/uploads/1/3/4/4/134472582/bapuvumolere.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4415080/normal_5f977fae6becf.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4423188/normal_5fc95261098e5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374373/normal_5f89fb65b952e.pdfIn PDF document text
    • https://tibaxasunoz.weebly.com/uploads/1/3/4/5/134589804/ragoput.pdfIn PDF document text
    • https://gepavemu.weebly.com/uploads/1/3/4/8/134861499/3fabca9ce8d98.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static1.squarespace.com/static/5fc5778af9866f3fd2f2bd65/t/5fc671eb08845d092468ecd4/1606840811482/code_to_get_free_airtime_on_mtn.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc71922382bec7399f5a753/t/5fcbc7391df7590d80e86d90/1607190329690/racing_tv._com_tips.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe06f7bc819f1cf49f7a6f/1606289144321/fuzzy_match_excel_download.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc7904a778af068263f36d1/t/5fc9197c120169245b401cc1/1607014781384/download_game_mod_drift_race.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0b633d26ff1194f72bba3/t/5fc1b0a79b1ed035381b2dc8/1606529192280/adobe_photoshop_could_not_parse_the_file.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_off0000c16c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC16C 5176 bytes
SHA-256: 9e491ed31366bb6d88a44a466536f8dbb1fb48ee2e9cce272c4233db07768a8c
font_01_sfnt_off0000d320.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD320 10980 bytes
SHA-256: d4540a093a1f09f8f98492018b1fc48bf678202954d1eaccce1128e277638e6a

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