Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e0db77474ada57f…

MALICIOUS

PDF

81.6 KB Created: 2021-03-14 10:11:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-17
MD5: 4477683cb4ec3d905b698764aa5979d8 SHA-1: 6af498ede7ff6ed3305688f64fa324d51ecbd2f0 SHA-256: 7e0db77474ada57fd26a1eb3a7f316dfb3a5bb5940c71256a0bb25afa71039c5
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that masquerades as a free movie maker download, a common lure for phishing attacks. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to deliver a secondary payload or lead the user to a phishing site. No scripts were extracted, but the presence of an external URI and the document's deceptive content point towards a phishing or malware distribution scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://midufefew.ru/strik?utm_term=movie+maker+free+download+for+pc+windows+7 PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4459062/normal_5fe001f9711bb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4482206/normal_602ee4d3a9977.pdfIn PDF document text
    • https://cdn.sqhk.co/rukugewul/gfiijf5/wwe_raw_results_today_sportskeeda.pdfIn PDF document text
    • https://cdn.sqhk.co/vuzefegevo/bhbigji/era_of_celestials_best_overlord_skills.pdfIn PDF document text
    • https://cdn.sqhk.co/dewozoju/ahewfjj/oldies_music_70s_60s.pdfIn PDF document text
    • https://cdn.sqhk.co/kuniremolu/iicghAk/miwulozapoben.pdfIn PDF document text
    • https://cdn.sqhk.co/jarogofef/4uAhajb/43842402051.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4478148/normal_6035603ded3a9.pdfIn PDF document text
    • https://cdn.sqhk.co/rosivapixove/ijdV2rP/83766892440.pdfIn PDF document text
    • https://cdn.sqhk.co/jomurozop/hgijjfr/14790615944.pdfIn PDF document text
    • https://cdn.sqhk.co/wujamufaw/hgtUpGB/planet_earth_is_blue_summary.pdfIn PDF document text
    • https://cdn.sqhk.co/pulizojiwim/fjajajb/download_world_war_conqueror_4_mod_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/kelufuro/KnAAUif/torokiderufakixovefiga.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4501804/normal_6027d82148c6b.pdfIn PDF document text
    • http://jerusitujuj.22web.org/fender_super_champ_x2_problems.pdfIn PDF document text
    • http://xexogafuko.22web.org/59316369260.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/tenunud/10068410203.pdfIn PDF document text
    • https://s3.amazonaws.com/panokojol/26013883631.pdfIn PDF document text
    • http://renawexit.epizy.com/free_store_apk_cracked.pdfIn PDF document text
    • https://s3.amazonaws.com/tobobowu/attachment_theory_by_john_bowlby.pdfIn PDF document text
    • https://s3.amazonaws.com/xisakazelelinim/20164045237.pdfIn PDF document text
    • https://s3.amazonaws.com/ritoma/64951387140.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_off0000f493.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF493 5312 bytes
SHA-256: 6405e3ed85cb79e7719bd5479c0f2cdc5918fdde207be880eef2689ff7f15da5
font_01_sfnt_off000106a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x106A8 10496 bytes
SHA-256: f4d7e1b433461c000ddda58e74b4f10c8cb0b2b6ac11e81210c76479c4402857
font_02_sfnt_off00012a6a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12A6A 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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