Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a36107c6c57848d…

MALICIOUS

PDF

86.5 KB Created: 2021-07-20 08:10:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: d327b7253996333776a04a4a25c27c22 SHA-1: cb920fd83605b843342fa5bb24558968a0f2aebf SHA-256: 6a36107c6c57848de6ce6af27ab81f2f1c0f4d4149f254c8cb0f862855cc8500
112 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The heuristics indicate the presence of urgency and a download button lure, suggesting an attempt to trick the user into clicking a link. While no scripts were extracted, the presence of embedded URLs and the overall detection suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://feedproxy.google.com/~r/sq/ugae/~3/uzX87CUNjRg/square?utm_term=enable+information+rights+management+outlook+2016 PDF link annotation
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60e93a8c320dbd0de281dd64/1625897612871/35842387762.pdfIn PDF document text
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60f47395cba7b71501f1c695/1626633110145/oracle_pl_sql_interview_questions_and_answers.pdfIn PDF document text
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60f1321ab348e55d1c51eaf8/1626419738814/aed_to_philippine_peso_rate_today.pdfIn PDF document text
    • https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60ecab8e77250868137097a3/1626123150377/wozogekopefeni.pdfIn PDF document text
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60f3aaa8ec5ad00cc093f20a/1626581672567/fugujajuwenora.pdfIn PDF document text
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60edc49d80caa629c1d97e1d/1626195101504/27760449938.pdfIn PDF document text
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60e9192c6e267257943a8c62/1625889068825/jurarem.pdfIn PDF document text
    • https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60f3312080d83038fa80a216/1626550560862/ntpc_mains_previous_papers.pdfIn PDF document text
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60f655545f306a537f791834/1626756436178/40813623393.pdfIn PDF document text
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60ec7990f89f8e700bf67243/1626110352368/xorinujotofexejukeniva.pdfIn PDF document text
    • https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60f03c240dea5e4896c046bd/1626356772771/worksheet_on_carbon_cycle.pdfIn PDF document text
    • https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60f415a180d83038fa89377b/1626609058081/kobemobapatesawazavavov.pdfIn PDF document text
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60f1bc5a0886274a48e52d80/1626455130504/dusanomelulaginusilu.pdfIn PDF document text
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60f12ac0e013e242e71445e7/1626417856667/pexetaziduririselomaxi.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000eeb2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEB2 16732 bytes
SHA-256: 929ddd918b13242f2176b249a4077b07a9a57461b78e5663bf3f09812ea3417a
font_01_sfnt_off00011a77.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11A77 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0001328e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1328E 11436 bytes
SHA-256: 8523b15c39e972a8429222bcf38c3aecd5b914f62f3d71188cdcc68731b74e26

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