Malicious PDF — malware analysis report

Static analysis result for SHA-256 05c4081e38a654fd…

MALICIOUS

PDF

75.3 KB Created: 2021-02-23 23:08:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: f619efaf8c37a0cfbc877eb03b9a683f SHA-1: 6dcdfbabca392e6936035e6908e4e2ebb685ad46 SHA-256: 05c4081e38a654fd3bb6f7b1839af3b76e7f26c206f1a00fe9201b29eb79d9fe
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that directs users to a site offering 'wwe champions apk unlimited money', which is a common lure for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or trojan delivery via the embedded link.

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/wix?keyword=wwe+champions+apk+unlimited+money PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4368248/normal_600a5a3894893.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4465257/normal_5fe7effd49e94.pdfIn PDF document text
    • http://ins.expert/wobujilleejw.pdfIn PDF document text
    • https://fusorebumobem.weebly.com/uploads/1/3/3/9/133986296/zodusu.pdfIn PDF document text
    • https://wadonado.weebly.com/uploads/1/3/4/6/134677460/d2423f7610578b.pdfIn PDF document text
    • http://boevoenlp.com/cession_de_vente_voituref5jpo.pdfIn PDF document text
    • http://constructionhouse.info/razejafugivinotovelonejpbps6.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/sitozi/negugaxijikodojujewami.pdfIn PDF document text
    • https://s3.amazonaws.com/pobixedele/togemamevu.pdfIn PDF document text
    • https://s3.amazonaws.com/lakujusitejojet/7564855213.pdfIn PDF document text
    • https://s3.amazonaws.com/kegovev/brothers_telugu_movie_video_songs_mp4.pdfIn PDF document text
    • https://s3.amazonaws.com/rebesudanolo/35757825971.pdfIn PDF document text
    • https://s3.amazonaws.com/wemazun/automotive_repair_manuals_free.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d299.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD299 5488 bytes
SHA-256: 667480bb1b7b838153baf099f2c58f48cdcce9c706d88fe74f7156c710bddec2
font_01_sfnt_off0000e53c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE53C 11692 bytes
SHA-256: fa3b3add1f14ebf591353b7a552acf41bb4d0a5057596ae025e945f22c4953ab
font_02_sfnt_off00010b66.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10B66 16136 bytes
SHA-256: 3f401360053e1b4d29c24019386b3079856d27c1a6fb1731fc2abffa1f8e552c