Malicious PDF — malware analysis report

Static analysis result for SHA-256 eca1e093476adae0…

MALICIOUS

PDF

107.8 KB Created: 2021-02-12 03:44:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: 6c1ddb88e7e8d3a8c806fcaf70920dd5 SHA-1: cd75a36dc6ce0a1fba6978cd36e3ea73674cdadd SHA-256: eca1e093476adae03f049dfd9de4437609bb5d5d24a14390081567944a70a5ee
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that is likely part of a phishing or social engineering campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The document body, though heavily obfuscated, contains text related to marketing, suggesting a lure to trick users into clicking the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://leonvi.ru/123?utm_term=product+component+model+international+marketing PDF link annotation
    • http://shoplus.info/poe_refund_ascendancy_pointskn3gs.pdfIn PDF document text
    • http://copyright-securityx.com/heraldic_arms_template7mlrs.pdfIn PDF document text
    • http://leafester.online/ball_bounce_sport_inc_ashland_ohmatjd.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4370077/normal_5fe10d2f79ccc.pdfIn PDF document text
    • http://uuuuull.space/63988247126od9oj.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4462059/normal_6025aee3ec477.pdfIn PDF document text
    • http://particulier-societegenerale.xyz/bams_cch_full_formsmq4t.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4495988/normal_600473af7a625.pdfIn PDF document text
    • http://nukowivoxom.iblogger.org/87005684507.pdfIn PDF document text
    • http://myyshooop224.site/264949664864p28m.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4456667/normal_60044d3848bc9.pdfIn PDF document text
    • http://nufapivevavenak.22web.org/antigua_cricket_ground_weather_report.pdfIn PDF document text
    • http://sportplays.ru/bangla_sad_status_videovqw3s.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.thdl.org/http://www.thdl.org/TibetanIn PDF document text
    • https://s3.amazonaws.com/tuletivotarupu/activestate_perl_5._24.pdfIn PDF document text
    • http://pulilidason.epizy.com/chota_bheem_song_mp4.pdfIn PDF document text
    • https://s3.amazonaws.com/lunojol/womaxaxuxufibefu.pdfIn PDF document text
    • http://vobewegogiz.rf.gd/videoshow_pro_apk_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/gudukupir/lekesofubefesokoxadenopoj.pdfIn PDF document text
    • https://s3.amazonaws.com/fenatagazise/3704553060.pdfIn PDF document text
    • http://mudopijafaj.epizy.com/apa_citation_manual.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://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlTibetanIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00015677.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15677 5280 bytes
SHA-256: 8c9cacc0c64086824365d0074d08950eedda3eb6e613743fbcafcbe06a0755a7
font_01_sfnt_off0001685d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1685D 8976 bytes
SHA-256: 043275fd08f61a242a3987e2d5cd46ead7ad3b0856b8812769e4fb4fd1355f22
font_02_sfnt_off00017a1f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17A1F 11540 bytes
SHA-256: 14f2380bc919b1d9c7000057983cf18cea66f25f8325e8497ce6d0254d670e96

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