Malicious PDF — malware analysis report

Static analysis result for SHA-256 7232967f089ee2ab…

MALICIOUS

PDF

80.1 KB Created: 2020-12-26 16:58:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: 51f5a670f7a8d8cc8f1d030dabcd43e2 SHA-1: 78e1dd3f6db98ff6a9f99f9074ac75f22463c0bb SHA-256: 7232967f089ee2abfa37427acc81893293da49115fcc696f75f5f277c07dedd2
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://traffine.ru/aws?utm_term=championship+manager+season+97%252F+98 PDF link annotation
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/b6bd04d5-e245-4df0-8b85-c4d48cc82087/jologemusazowosegomonomu.pdfIn PDF document text
    • https://s3.amazonaws.com/pafiganovavi/55576745209.pdfIn PDF document text
    • https://s3.amazonaws.com/fikuvine/68118619921.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dadae04d-bda2-4e0a-a862-4aedee5473f2/garfield_and_friends_1989_end_credits.pdfIn PDF document text
    • https://s3.amazonaws.com/wikurixobelu/vijuvez.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/96963ea5-f2e5-4ec3-9ce6-d6664b4def1e/pumowimudolonut.pdfIn PDF document text
    • https://s3.amazonaws.com/wujixus/comprehension_passages_for_grade_2_worksheets.pdfIn PDF document text
    • https://s3.amazonaws.com/wexoteluwag/serial_podcast_the_alibi_worksheet_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/wusone/avenue_supermarts_ltd_annual_report_2017.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dbf5164d-38d2-4fce-9cf5-84d59ac875e6/97908144480.pdfIn PDF document text
    • https://s3.amazonaws.com/voxulija/winslow_junior_high_school.pdfIn PDF document text
    • https://s3.amazonaws.com/tuletivotarupu/fipovojeku.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2d706603-58ef-48b3-89ff-7e2c8b066909/tasikoxakegebow.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/69ff5bde-26c0-4917-97ac-db8a059deeee/31791080704.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/caf99dcb-a20e-4bbd-8401-3e91362f22f7/kuwimopodokidobirimeze.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_off0000f803.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF803 5572 bytes
SHA-256: 68b51aaf0c70f040d345bd48a7d57782cc889a41b120e2e8f9200b33170a8302
font_01_sfnt_off00010acb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10ACB 12064 bytes
SHA-256: 17a730c1a6857a6a3a8cf2f9965bac21684c87eebfb80a72d7512abc185dae50

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