Malicious PDF — malware analysis report

Static analysis result for SHA-256 71360bbe362ae290…

MALICIOUS

PDF

97.0 KB Created: 2021-03-25 05:03:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 15d3f63b3a3f63647e26df99ed44803f SHA-1: 574c174fffda21d7543dd210bb5f86333edee6e4 SHA-256: 71360bbe362ae290457a1808762f03b5b7ae96aa81a4d73226372eff69dc0707
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 0.9997

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://jacksth.ru/strik?utm_term=star+wars+thrawn+alliances PDF link annotation
    • http://serawuv.mygamesonline.org/kiwefujed.pdfIn PDF document text
    • http://wotaxatumumodok.sportsontheweb.net/mathematical_constants_list.pdfIn PDF document text
    • http://wofurasosezisax.mywebcommunity.org/jetutomesubukuwesizixe.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4495838/normal_60505d1d792ff.pdfIn PDF document text
    • https://luwujapi.weebly.com/uploads/1/3/4/7/134751522/xenaluropimo.pdfIn PDF document text
    • https://tuxewuwa.weebly.com/uploads/1/3/4/7/134776055/samadax.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4467571/normal_60402981595f0.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4498893/normal_600938a130c9f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4448346/normal_5feec76bee545.pdfIn PDF document text
    • https://vejevidumuruje.weebly.com/uploads/1/3/5/3/135302175/xufujejomom.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370987/normal_605451151a695.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4456379/normal_6049705e97503.pdfIn PDF document text
    • http://gigezesuzobe.getenjoyment.net/mubekedigaj.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402250/normal_6038e458368fb.pdfIn PDF document text
    • https://tovefejuxula.weebly.com/uploads/1/3/5/3/135325554/3a18968af56a.pdfIn PDF document text
    • http://zakewabo.scienceontheweb.net/zojirushi_ns-tsc10_inner_pot.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/pobixedele/pudesipasejonido.pdfIn PDF document text
    • https://s3.amazonaws.com/sevoga/homestyler_design_templates.pdfIn PDF document text
    • https://s3.amazonaws.com/bubeto/american_mah_jongg_strategy_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/gazivemon/wodovobuk.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 8

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00012ea2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12EA2 4760 bytes
SHA-256: c0627f5fe796b450a3d0669c3102465a529c948a63580c25c64e69c9ce584bf2
font_01_sfnt_off00013eb5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13EB5 12876 bytes
SHA-256: 5b0089cd220f6fbfd6300877142b598863bf00c9c0cd075380cab24b06dd06b8
font_02_sfnt_off000168be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x168BE 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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