Malicious PDF — malware analysis report

Static analysis result for SHA-256 0df36b897fbd7039…

MALICIOUS

PDF

76.7 KB Created: 2021-03-02 12:33:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 8307a1d5ea4b8ab68717538598c352f1 SHA-1: 532deca9606286eec2e0c3f682f30d45c7f641d3 SHA-256: 0df36b897fbd7039bf0697d474048cf8c78a8a175f58691da0b448c3782ed6ef
96 Risk Score

Malware Insights

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

This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a malicious site. The document body, though heavily obfuscated, suggests a lure related to 'ethnic religion definition'. No scripts were extracted, but the presence of external URIs indicates a potential download or redirection attempt.

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://jottigo.ru/wix?keyword=ethnic+religion+definition PDF link annotation
    • http://eduha.online/headway_academic_skills_3m2ynz.pdfIn PDF document text
    • https://cdn.sqhk.co/fowipovoji/ba64LwX/royalty_wallpaper_family_hd_1080p.pdfIn PDF document text
    • https://cdn.sqhk.co/dodalowogiv/hge7hed/free_indoor_rock_climbing_near_me.pdfIn PDF document text
    • http://bilapak.66ghz.com/niridifeliz.pdfIn PDF document text
    • https://cdn.sqhk.co/perolurowona/59gLgjM/dusixapuwekufetitajegax.pdfIn PDF document text
    • https://cdn.sqhk.co/kesusevuzep/jegeMij/t-_mobile_familymode_home_base_review.pdfIn PDF document text
    • https://cdn.sqhk.co/kisunika/gimha9G/95293483030.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/falufusu/70160472595.pdfIn PDF document text
    • https://s3.amazonaws.com/vibasujefir/pilexeruwebulibamonabe.pdfIn PDF document text
    • https://s3.amazonaws.com/mujevubutukoxu/matthew_28_17-20_esv.pdfIn PDF document text
    • http://miduzusajaveg.rf.gd/kodaline_moving_on_piano_sheet_music.pdfIn PDF document text
    • http://voloxenazuduze.rf.gd/louvre_museum_tickets_with_audio_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/bulolimepol/jubolupojijomezuwotu.pdfIn PDF document text
    • https://s3.amazonaws.com/xomudufe/83541938352.pdfIn PDF document text
    • http://legopabez.rf.gd/lagu_alalala_sayang_azzara_band_wapka.pdfIn PDF document text
    • http://parorusoba.rf.gd/kukonamatesu.pdfIn PDF document text
    • http://betemuzisifigej.epizy.com/wotekodojopanutom.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_off0000f22a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF22A 4852 bytes
SHA-256: 67f74100bd2ef7d171a5368c23d1d893ef266774031ab8d0c1ce09c8963dfbec
font_01_sfnt_off000102aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x102AA 10336 bytes
SHA-256: d086ce8b11d91c72f26fcdf36fda76b0db530e673135366f411351848e90f08f

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