Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ae9b677d6e12ae2…

MALICIOUS

PDF

86.0 KB Created: 2020-11-21 02:15:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: ae4b492d48d7a7404395dfe3e4f094a4 SHA-1: 7c7dba68e4bd16f14c2c2916941a911556d1dfe8 SHA-256: 3ae9b677d6e12ae28f6bbe6ee248579d4d0afe7a1844b9058f692e80d6c7d33d
254 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

This PDF file is identified as malicious by multiple heuristics and an ML classifier. It contains a critical finding of a malicious redirector link and a link farm, suggesting it's part of a phishing or scam campaign. The 'SE_CLIPBOARD_COMMAND_LURE' heuristic indicates the document instructs users to copy content into a shell, a common technique for executing malicious commands. The embedded URLs, particularly the redirector, are high-priority IOCs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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://gettraff.ru/aws?utm_term=apache+jmeter+windows In PDF document text
    • https://dolakavurig.weebly.com/uploads/1/3/4/6/134647128/gujiposazasudiposuna.pdfIn PDF document text
    • https://gezixipa.weebly.com/uploads/1/3/4/5/134503119/mapurukinizu.pdfIn PDF document text
    • https://sizukejagu.weebly.com/uploads/1/3/2/6/132681884/mopuzagezu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412762/normal_5fa2aaa6e40aa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375086/normal_5faee15862b31.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374851/normal_5f9aea0a828b3.pdfIn PDF document text
    • https://jurizimobijagi.weebly.com/uploads/1/3/0/8/130874317/c47cd247.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408599/normal_5f9e060b0054e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4478926/normal_5fb5ab5186aed.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385880/normal_5f8d54f538e81.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/xokebore/xonaxodami.pdfIn PDF document text
    • https://s3.amazonaws.com/rodiligarexo/c_ops_mod_apk_obb.pdfIn PDF document text
    • https://s3.amazonaws.com/timafatafej/58548238993.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_off0001072c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1072C 5440 bytes
SHA-256: a54e0ec903b2986e719dd1fafe4d1c6f8d3a84a21a8ea69d298941f35d7e4f34
font_01_sfnt_off00011993.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11993 15348 bytes
SHA-256: 762196c2179f5f345d1dd52a686ac984ce84d55a122ece7b95d2ef47471654d6

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