Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d938a72eba918b7…

MALICIOUS

PDF

80.7 KB Created: 2021-03-31 05:31:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: beb87a01b6bba55d84e0a0b3f00c22d0 SHA-1: 1022fe57bce8494683e489ac05cdaf8e3d021f1c SHA-256: 3d938a72eba918b70f3c48f1f648659a640cd1cd205b7ed05d099ebb11398b70
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-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://dugedepap.ru/award?keyword=tesis+sobre+cambio+climatico+pdf PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4421770/normal_600d393bb19b1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4404290/normal_604fe6761e867.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4424376/normal_600ae557a00c6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4464871/normal_603c6b264a714.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4460266/normal_6009ea169cb80.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4419820/normal_5feb0e0b37927.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392651/normal_604cefe92cfe5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4407306/normal_5ffe6b9846523.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408598/normal_60267d95a2954.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4460981/normal_5fec145b299e9.pdfIn PDF document text
    • http://garderob-podolsk.ru/academic_writing_skills_1_students_book_answerss3c1j.pdfIn PDF document text
    • http://bahis-sikayet.com/what_is_factorytalk_viewpointl1wt2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384460/normal_6058c2522f2ce.pdfIn PDF document text
    • http://vogolimipogusoz.mypressonline.com/albinismo_bioquimica.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/50a7c1bb-f5d0-43d2-967e-7bc618b03517/kagexesekigikevot.pdfIn PDF document text
    • http://japinoxizidunub.myartsonline.com/how_to_remove_adt_panel_from_wall.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/93add16a-9a87-4bed-85f2-4dc0466fdae6/63255115957.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

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fb68.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB68 5392 bytes
SHA-256: 73a9ddcbf809d3a0bb673a0736c5d630110d20a11417400b8ae3633e0be7abc8
font_01_sfnt_off00010d9e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D9E 11904 bytes
SHA-256: 2f856378a02efb35fbe3ff18977b2a42a0bd23731fedcdc14435810171c91271

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