Malicious PDF — malware analysis report

Static analysis result for SHA-256 8cf0a0d2ae142110…

MALICIOUS

PDF

76.5 KB Created: 2021-01-22 16:11:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-17
MD5: 00cbce67e218cba14f50d9a008f5c660 SHA-1: 494e61ce3ea61202657582ea5cdea41a2473c43f SHA-256: 8cf0a0d2ae14211080e32d04ed18f140f84d88438d450a907a444b140bcea033
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a suspicious domain, likely as part of a phishing or scam campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to redirect the user to a malicious website for further exploitation.

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://maypoin.ru/wb?keyword=loft%20store%20manager%20salary PDF link annotation
    • https://site-1178182.mozfiles.com/files/1178182/mimiwoboliriw.pdfIn PDF document text
    • https://site-1175575.mozfiles.com/files/1175575/51912431813.pdfIn PDF document text
    • http://gimepar.22web.org/seek_thermal_compact_android.pdfIn PDF document text
    • https://site-1177284.mozfiles.com/files/1177284/crazy_taxi_classic_game.pdfIn PDF document text
    • https://cdn.sqhk.co/koxopumo/hgRy4KK/48328900425.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4476947/normal_5feebca00a5f0.pdfIn PDF document text
    • https://cdn.sqhk.co/pusuvizodez/2iegigg/jungle_monkeyz_adventure.pdfIn PDF document text
    • https://site-1181076.mozfiles.com/files/1181076/badshah_full_movie_bangla.pdfIn PDF document text
    • https://site-1193591.mozfiles.com/files/1193591/wipelufazadabepulisinolib.pdfIn PDF document text
    • https://cdn.sqhk.co/fogobewataja/pToifhf/nintendo_switch_online_family_plan_discount.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/zexozavo/71183553419.pdfIn PDF document text
    • http://mevonaku.rf.gd/formation_agent_immobilier_monaco.pdfIn PDF document text
    • https://s3.amazonaws.com/lerezazo/please_find_the_attached_excel_sheet.pdfIn PDF document text
    • http://lemijafuw.epizy.com/duxenupalalexemirojo.pdfIn PDF document text
    • https://s3.amazonaws.com/fifuto/lapefibikijejamox.pdfIn PDF document text
    • http://jodonurinifos.epizy.com/bowers_and_wilkins_zeppelin_repair_manual.pdfIn PDF document text
    • http://gubodasitonobu.epizy.com/glencoe_geometry_chapter_10_resource_masters_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/dufekifaral/54489752579.pdfIn PDF document text
    • http://xelidamos.epizy.com/latuvawepinemuramiz.pdfIn PDF document text
    • https://s3.amazonaws.com/datarofapakil/lidalobofafisuxeluli.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_off0000ebe4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBE4 5132 bytes
SHA-256: 11b9ad3d252161a6585a8aad56ddc4351ebb2cd4b6c28c62577c99d8c5ff9ee5
font_01_sfnt_off0000fd53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD53 11908 bytes
SHA-256: 7bc70175ddf6830654d416013901fe371e9bd03e0e3e960e5e7ffa19556b4d4a

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