Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2e9ccf56bf2e3ed…

MALICIOUS

PDF

147.2 KB Created: 2021-03-30 08:44:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0818eb6d2cf2fa16ab4df91ce49bc021 SHA-1: b71d4188dc4a6c0ad2088ee8a4a1c195fd82596f SHA-256: e2e9ccf56bf2e3ede4e20e374b6227d0fea6491de7b1eba24ae605ee79947021
96 Risk Score

Malware Insights

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

The PDF contains an embedded URL that points to a suspicious domain, likely intended to host a phishing page or a malicious payload. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The document body, though heavily obfuscated, contains text that appears to be a lure related to 'Astrocaryum chambira pdf'.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://botokaw.ru/award?keyword=astrocaryum+chambira+pdf
    • https://zerimesatevig.weebly.com/uploads/1/3/4/8/134879836/fudosinerifox.pdf
    • https://cdn.sqhk.co/jumupebuvi/hjhhjfp/2754407149.pdf
    • https://retariluwefise.weebly.com/uploads/1/3/4/8/134858211/6003464.pdf
    • https://cdn-cms.f-static.net/uploads/4373008/normal_5fd26fef55484.pdf
    • https://cdn.sqhk.co/zoxowowi/Vczijgj/happy_new_year_2020_wallpaper_hd_for_pc.pdf
    • https://cdn.sqhk.co/jizapamilizo/0jjhbhf/get_likes_on_instagram_apk_download.pdf
    • https://xamezorunag.weebly.com/uploads/1/3/1/6/131606231/4b5af3.pdf
    • https://static.s123-cdn-static.com/uploads/4465908/normal_5feb6f6a38ea8.pdf
    • https://cdn-cms.f-static.net/uploads/4448113/normal_6031b7665db41.pdf
    • http://tevajevidiwa.22web.org/fegenesufixodemowowopi.pdf
    • https://titawijuneve.weebly.com/uploads/1/3/4/0/134012454/rupebokizekoguvaki.pdf
    • https://static.s123-cdn-static.com/uploads/4528915/normal_5fcbd8960591b.pdf
    • https://cdn.sqhk.co/gapekozuwa/jhApbFe/69267645463.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/kudefem/acids_and_bases_book.pdf
    • http://tifiwaw.rf.gd/b_d_chaurasia_anatomy_download.pdf
    • http://dakovupogoz.rf.gd/85876649856.pdf
    • http://xopemaw.rf.gd/61510919157.pdf
    • https://s3.amazonaws.com/laginekux/ford_mustang_consumer_reports.pdf
    • http://xamunenefo.rf.gd/kixilexirufifimezaz.pdf
    • https://s3.amazonaws.com/mibiwivanetuj/accountant_s_report_rules.pdf
    • http://keberefan.rf.gd/desaziwekadubirite.pdf
    • http://zovavabiw.epizy.com/hp_ultraslim_docking_station_firmware_2018.pdf
    • http://susijul.rf.gd/53927808447.pdf
    • http://kufobidup.epizy.com/argumentative_essay_example.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000202be.bin
f2f3a9892d1c8d23fc770588f398e33701e06e07afe4cd9eb86d02b1d894e734
pdf-font-stream PDF embedded font (sfnt) at offset 0x202BE 5592 bytes
font_01_sfnt_off0002159d.bin
fc324dd28aa3496f5894a38ee8bc57f737aa3af14efdea61bcdcfef77b4e126d
pdf-font-stream PDF embedded font (sfnt) at offset 0x2159D 11816 bytes