Malicious PDF — malware analysis report

Static analysis result for SHA-256 1207e516c9f3568a…

MALICIOUS

PDF

71.6 KB Created: 2021-01-26 16:48:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: c04845f98d8420cbf97ee7f729925812 SHA-1: 30c1c82492d3a64a2f1b20d4a37eb24b88cd727d SHA-256: 1207e516c9f3568a5fe4f619fa11b0e27ce927012a174d11b04559d66fd55f7c
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI that mimics a search engine result, likely intended to trick the user into visiting a malicious site. Several other suspicious URLs were also extracted, suggesting a phishing or malware distribution campaign.

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://trafficel.ru/wb?keyword=wdamage%20car%20crash%20engine%20mod PDF link annotation
    • http://reflectionss.space/jevixupofetafamalav0e1lg.pdfIn PDF document text
    • http://hargotel.xyz/gorifobamotarsy1za.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4456996/normal_5ffb6cf423d1d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4484818/normal_5ff54f2e3a717.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4444366/normal_5fe3841a72214.pdfIn PDF document text
    • https://cdn.sqhk.co/vuritukupus/ghad9Eb/z_nation_addy_and_mack.pdfIn PDF document text
    • http://eliyalte.com/mokolafusikedutewebeycfar.pdfIn PDF document text
    • https://cdn.sqhk.co/lobitukojuro/agighE6/the_mummy_returns_imdb_parents_guide.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4392191/normal_5fce8b43944b8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4467036/normal_5fe6a5f3836c4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410006/normal_5fd6277a9b4c2.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/rowubunak/tax_on_reportable_employer_superannuation_contributions.pdfIn PDF document text
    • http://rukateridexak.rf.gd/free_khasi_funny_video.pdfIn PDF document text
    • https://s3.amazonaws.com/gogoxowiniza/30100823851.pdfIn PDF document text
    • https://s3.amazonaws.com/wopari/celebration_of_life_invitations_templates_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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ce92.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE92 5040 bytes
SHA-256: 56079b97513d9bb9ca3790ac11691621ec7f38563f9b653ee1534e307a3dea85
font_01_sfnt_off0000df88.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF88 10636 bytes
SHA-256: a68c6ad2d6fd3287152c30d2e13b1e34e7b63d98fab5414457bfc1b29565ad23
font_02_sfnt_off000103a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x103A3 4324 bytes
SHA-256: 781b9fae2fb9201b4a05d2041fea553bb2973f1d011ab9c51e3326c72e342c60

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