Malicious PDF — malware analysis report

Static analysis result for SHA-256 26978167355ca304…

MALICIOUS

PDF

72.5 KB Created: 2020-11-26 05:32:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 91beba5a5d63186e4274380a55dc90ad SHA-1: 9766ecadd7d75097c63bd3f666d4e44a30c0ed6d SHA-256: 26978167355ca3044c13d976626d695640d7be49ec939829f1713ab1aba9aa1b
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://traffset.ru/123?utm_term=across+the+river+thames+song PDF link annotation
    • https://tuvunexe.weebly.com/uploads/1/3/4/3/134327091/f99674a42d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370051/normal_5f8a3e67b9b73.pdfIn PDF document text
    • https://fategebedabeno.weebly.com/uploads/1/3/4/7/134718848/3c840056.pdfIn PDF document text
    • https://jukafubu.weebly.com/uploads/1/3/0/8/130874261/997cbf5025e.pdfIn PDF document text
    • https://duxevuwelinabim.weebly.com/uploads/1/3/4/3/134353564/5306783.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/e99e1622-6cbb-4486-9e69-835f7e29564c/dark_souls_save_editor_pc_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0b80a5fa-3180-48cd-9c63-06fa67ec13d2/2009_jeep_grand_cherokee_repair_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/tarizirefevifab/autocad_electrical_2016_black_book.pdfIn PDF document text
    • https://s3.amazonaws.com/lupebesu/partes_internas_de_una_computadora_y_sus_funciones.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ee41ed7a-8f3f-43ef-859c-8f2589eca769/punctum_remotum_oeil_myope.pdfIn PDF document text
    • https://s3.amazonaws.com/rodakarugupoko/telus_satellite_tv_guide_alberta.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d7d4ec8f-b41c-4332-8ee0-1f705e959fa6/jejutasakolujunakuxi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8ccb4efa-9041-425f-9836-6e8e8683db2d/dipopikaroj.pdfIn PDF document text
    • https://s3.amazonaws.com/xugigabitulu/gumawatefusatoladed.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/016dee75-a607-4945-a2d5-55ce159b5271/vuvufozog.pdfIn PDF document text
    • https://s3.amazonaws.com/degagaziv/rixizulukinugowolebom.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_off0000d2f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD2F7 5232 bytes
SHA-256: 1342f79ea182063b23a5d25c869b4ec88244f5f4a5171d627eb2816b288c3330
font_01_sfnt_off0000e49c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE49C 1820 bytes
SHA-256: 48035d73cdaa7a1d95bfed5a08807a3d058e549ec107a12159a33d753994be10
font_02_sfnt_off0000ed78.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED78 11824 bytes
SHA-256: bb6cb985ae25fff9ef2db33926f59715f195a2204b699fcae77532e7493d3b9a

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