Malicious PDF — malware analysis report

Static analysis result for SHA-256 d50e8486c996b662…

MALICIOUS

PDF

84.7 KB Created: 2021-03-24 13:59:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: a844e3d20fc8d5e83eb910253ba0d8e3 SHA-1: 1d79a3512d0f3087128422699932284593a751b2 SHA-256: d50e8486c996b66288ceaa53967f5558df2aa23443cb0636961e3bef73821846
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 0.9994

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://baarspo.ru/wix?keyword=tc+flashback+triple+manual PDF link annotation
    • http://zugugalepew.mypressonline.com/pawazarememonosavulik.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4455198/normal_5fcdb2210b760.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4500677/normal_5fdedaa87d3ee.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368979/normal_60092df77da2c.pdfIn PDF document text
    • https://cdn.sqhk.co/kivipemo/igjogi7/nixotaxap.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421471/normal_601fe3da34c3f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365594/normal_600c97a023f19.pdfIn PDF document text
    • https://cdn.sqhk.co/zimajigon/ajdeggG/rivusekufuxosir.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410694/normal_603307451bfc9.pdfIn PDF document text
    • http://junumidutuzakox.getenjoyment.net/wobasesirepido.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380083/normal_5fd3cee6be5bc.pdfIn PDF document text
    • https://cdn.sqhk.co/joduragenep/joijL97/sun_tzu_art_of_war_ebook_free.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4464871/normal_5fca8fcb42376.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4408471/normal_5ffc27aaa771f.pdfIn PDF document text
    • http://jadogaxarabu.mygamesonline.org/zizobabivoxejope.pdfIn PDF document text
    • https://cdn.sqhk.co/xubenijevewe/C8Pgjig/dapasupivojajojutepok.pdfIn PDF document text
    • http://dadevizevarek.scienceontheweb.net/56778629086.pdfIn PDF document text
    • https://cdn.sqhk.co/mojubemuwek/gegcigB/geruropunadawe.pdfIn PDF document text
    • http://mujabelor.mywebcommunity.org/haruki_murakami_books_reading_order.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://nejarisiwudu.atwebpages.com/80598240225.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/30c4e91f-b150-4d33-83ac-2635e64dd5d0/xanipigivowakadufulolavev.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1a4f4fa9-b8b1-43bd-979d-0a58d5011681/ps_vita_portable_charger_blinking_red.pdfIn PDF document text
    • http://livirava.atwebpages.com/zotini.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_off00010ee0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10EE0 5408 bytes
SHA-256: e9ca91274bffe2b0a38a05f59d9d25a957b24cea2fd2d47e09cc75ba0cfcf1fd
font_01_sfnt_off00012118.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12118 10780 bytes
SHA-256: 80646a32d099c4e563e94b23b990f1827f939b508d48dd700c81575e38fb8eff

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