Malicious PDF — malware analysis report

Static analysis result for SHA-256 5fc6110120a315e5…

MALICIOUS

PDF

76.7 KB Created: 2021-01-24 17:11:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 37b32875900342873abdd022d5259a51 SHA-1: e93cfca3502f026de58999aecf5ba0c0552dacbe SHA-256: 5fc6110120a315e5a46aa03abb4fab7e2c756aa2433b614d86c7745c91e1abe4
96 Risk Score

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-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://jottigo.ru/123?utm_term=inside+the+actors+studio+kevin+costner PDF link annotation
    • https://cdn.sqhk.co/muzorefu/if2jcgf/first_australian_rugby_league_captain_in_1908.pdfIn PDF document text
    • http://tuworiki.22web.org/adapter_android_recyclerview.pdfIn PDF document text
    • https://cdn.sqhk.co/tumosirewuw/CxBij80/frndly_tv_hallmark_reviews.pdfIn PDF document text
    • https://cdn.sqhk.co/gabazumad/7VgfThi/kizowikelofibunidi.pdfIn PDF document text
    • https://cdn.sqhk.co/vulovosovem/j17gjij/61307454625.pdfIn PDF document text
    • http://rikopevadibix.iblogger.org/20071334423.pdfIn PDF document text
    • https://cdn.sqhk.co/loxinesupiva/iqMibE2/grand_phones_trading_deira.pdfIn PDF document text
    • https://cdn.sqhk.co/fofanibiv/gN0jdcW/black_friday_2019_deals_walmart.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/bejokazemur/accel_world_light_novel_fr.pdfIn PDF document text
    • https://s3.amazonaws.com/livivuvuwugeb/anime_tube_unlimited_pc.pdfIn PDF document text
    • https://s3.amazonaws.com/salosibejodod/patujodewatojuvuba.pdfIn PDF document text
    • https://s3.amazonaws.com/fivebo/south_african_indemnity_form_template.pdfIn PDF document text
    • https://s3.amazonaws.com/dojonuta/72441050325.pdfIn PDF document text
    • https://s3.amazonaws.com/nitajosasa/math_salamanders_rounding_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/kasuwevovog/41007776872.pdfIn PDF document text
    • https://s3.amazonaws.com/legenapi/pamevipagedulivibulugigiz.pdfIn PDF document text
    • https://s3.amazonaws.com/badodemebo/23403381487.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dfa0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFA0 4936 bytes
SHA-256: b1fe9df78ea8a1365fca2f4dc77ba327539e2c904fb9d3373ddfac82c402bcc3
font_01_sfnt_off0000f055.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF055 12180 bytes
SHA-256: be9f974aea508fd54a39d449fb1df12a1ffd7a95f8e35451eae5aa24adc3c893
font_02_sfnt_off0001177f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1177F 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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