Malicious PDF — malware analysis report

Static analysis result for SHA-256 130a88072756f0b7…

MALICIOUS

PDF

75.8 KB Created: 2021-02-15 08:13:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 70dd6f002e60ffb7847993557a069af4 SHA-1: 4598142c76e03071ca513c76ff80391db6873124 SHA-256: 130a88072756f0b76f8dfe679d2c34000f2e10fedd17056df55db2c07a8fcbc9
126 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains multiple embedded URLs, with one specifically pointing to 'baarspo.ru' and a keyword suggesting a lure for game downloads. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicates a large number of links on disposable hosting, reinforcing the malicious intent. ClamAV detection as 'Pdf.Phishing.Trojan' further confirms its malicious nature, likely serving as a downloader or redirector to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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=shadow+fight+3+apk+mob PDF link annotation
    • https://cdn.sqhk.co/febowozefu/hEhBvjX/34760699971.pdfIn PDF document text
    • https://cdn.sqhk.co/zerurukoraju/cha2phj/robotics_technician_jobs_salary.pdfIn PDF document text
    • https://gafibuludumogid.weebly.com/uploads/1/3/1/4/131453415/5e6d6e2057f0d6e.pdfIn PDF document text
    • http://salukapebuke.iblogger.org/formatter_php_code.pdfIn PDF document text
    • https://cdn.sqhk.co/sofetarunox/eChaLig/mifoxarawizelebimatubage.pdfIn PDF document text
    • https://cdn.sqhk.co/bopelara/ibZKihG/10506135.pdfIn PDF document text
    • https://bikirufiw.weebly.com/uploads/1/3/1/4/131452989/rudulokuxanetu.pdfIn PDF document text
    • https://cdn.sqhk.co/safubuguva/zpjeIjr/sonepegoginazopotukaxotir.pdfIn PDF document text
    • http://strahuemsya.info/wikud4qa5l.pdfIn PDF document text
    • http://requiremcgood.com/49099865112lm7o7.pdfIn PDF document text
    • https://wonuxomi.weebly.com/uploads/1/3/1/0/131070523/e4f2519cb1db.pdfIn PDF document text
    • http://yoga-italy.space/sage_50_premium_accounting_2017_full_crackedgf28v.pdfIn PDF document text
    • https://cdn.sqhk.co/vedasukuki/gkhjry3/vlc_for_android_review.pdfIn PDF document text
    • https://cdn.sqhk.co/vefoveted/ejZ6yCG/granny_square_tutorial_youtube.pdfIn PDF document text
    • http://puzotupisebi.66ghz.com/85021199140.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://befijipaz.epizy.com/32331506531.pdfIn PDF document text
    • http://pifazudiso.rf.gd/diagram_ppt_template_free.pdfIn PDF document text
    • http://dunugamufaj.epizy.com/vofemav.pdfIn PDF document text
    • http://zatopava.epizy.com/krisflyer_miles_redemption_guide.pdfIn PDF document text
    • http://nuxumejaxumem.epizy.com/zezoxufomufejogapiw.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_off0000eb5d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB5D 5712 bytes
SHA-256: 581e5613121f7f76653e2729455942c51a0504a065d1deca7dc6b41738c5d4d8
font_01_sfnt_off0000fec5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFEC5 10340 bytes
SHA-256: 5f39b0790733c1e5515d8e64752475799dd3332dbcf44dbeb8368dcb01280824

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