Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dd0c5f8a93d6ba9…

MALICIOUS

PDF

78.5 KB Created: 2021-02-20 08:52:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-29
MD5: 91a88ebe6d7ae25fab9afd3d9f6f5662 SHA-1: 1228e5f3d0c1ae6c2df4a7f870fd39448822e151 SHA-256: 3dd0c5f8a93d6ba9f28d76a2b5d8511ca84b140a20c67631cf797e4b4db5424a
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a phishing page disguised as a search result for vehicle problems. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. No scripts were extracted, but the presence of external URIs and the overall detection suggest a phishing attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://bologen.ru/strik?utm_term=do+2017+jeep+cherokees+have+transmission+problems PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4478685/normal_5fde36f2b54d1.pdfIn PDF document text
    • http://zikifogomi.22web.org/59190418421.pdfIn PDF document text
    • https://cdn.sqhk.co/tedalome/hjyWsgc/memimamoxelatezobizadabe.pdfIn PDF document text
    • https://cdn.sqhk.co/gapekozuwa/cGijiap/navneet_sikera_ips.pdfIn PDF document text
    • https://cdn.sqhk.co/xixujipum/ejgigAQ/jijovalazosame.pdfIn PDF document text
    • https://cdn.sqhk.co/rojozedofaf/eYfgfDT/jikasomawobelut.pdfIn PDF document text
    • https://cdn.sqhk.co/tudusiki/8bihjg4/pejifelabigivukixojoloduf.pdfIn PDF document text
    • https://cdn.sqhk.co/nimawabej/heAJxBQ/water_parks_in_orlando_for_toddlers.pdfIn PDF document text
    • https://cdn.sqhk.co/xasakeza/haCjjig/power_book_2_cast.pdfIn PDF document text
    • https://cdn.sqhk.co/metusoteliza/iijc2hc/25230322467.pdfIn PDF document text
    • http://kipigonatusa.iblogger.org/augusto_cury_jesus_cristo.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4390684/normal_60069e958b29a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426261/normal_5fe570cda32a4.pdfIn PDF document text
    • https://cdn.sqhk.co/pirujezexod/Gchhcif/castle_siege_fantasy_battles.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/rilexazejuzovep/men_s_style_guide_instagram.pdfIn PDF document text
    • https://s3.amazonaws.com/nonipesikiri/free_gradebook_template_excel.pdfIn PDF document text
    • https://s3.amazonaws.com/wovugi/new_headway_pre-_intermediate_tests_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/liwafo/50879873590.pdfIn PDF document text
    • https://s3.amazonaws.com/dazawojob/abdellatif_laabi.pdfIn PDF document text
    • http://xumizaxojumiko.epizy.com/navy_blue_formal_dresses_short.pdfIn PDF document text
    • https://s3.amazonaws.com/lowuwofuxali/rrb_ntpc_form_sarkari_result.pdfIn PDF document text
    • http://zarevarepi.epizy.com/greater_than_and_less_than_fractions_worksheets.pdfIn PDF document text
    • https://s3.amazonaws.com/dejazuvorira/52637377292.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_off0000e6aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6AA 5708 bytes
SHA-256: 84dc029d2930a4576078cfb2447126b7648ac45411c1dfe8a0fcb62bd2d80918
font_01_sfnt_off0000f9e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9E4 10520 bytes
SHA-256: bbbdaa98889133745ee810adb0e599a92d1b138709ba6a9e364971ad085995f4
font_02_sfnt_off00011dda.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11DDA 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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