Malicious PDF — malware analysis report

Static analysis result for SHA-256 060662f3f581cf7e…

MALICIOUS

PDF

93.3 KB Created: 2021-03-17 02:43:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 98e6d3e7bbd41883aa63695df80aa411 SHA-1: 7e10823771b90f7a09e5952730f512a26217f922 SHA-256: 060662f3f581cf7e91ce842a394d4c95e1f380b0c7454d511d2c0243185a26e3
96 Risk Score

Malware Insights

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

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The embedded URL suggests a phishing lure related to 'carbon steel types pdf', likely intended to trick users into downloading a malicious document. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://pelibifir.ru/award?keyword=carbon+steel+types+pdf
    • http://jedomagisuw.getenjoyment.net/what_does_a_guardian_ad_litem_do_for_a_child.pdf
    • http://kononameve.mywebcommunity.org/analytical_thinking_book.pdf
    • http://jotetifijenosif.iblogger.org/75490492789.pdf
    • http://esportzmlevent.com/sword_fighting_classes_orlandoutilh.pdf
    • https://cdn-cms.f-static.net/uploads/4490366/normal_604650941caa3.pdf
    • http://sizuxubotinukor.22web.org/el_misterio_de_belicena_villca_descargar.pdf
    • http://idealica-itufficiale.website/57101789685ugr4g.pdf
    • http://metalllift.ru/dexugaboxaderowagixruyc3.pdf
    • http://my-favshopf.online/82572466980gvzyp.pdf
    • https://cdn-cms.f-static.net/uploads/4393752/normal_604d2e1f14a3b.pdf
    • http://neguzoni.22web.org/pijepazovezuxuloviw.pdf
    • http://national-verifyteam.com/aladdin_cartoon_mp4n4lb9.pdf
    • http://memimusisat.getenjoyment.net/toshiba_tv_universal_remote_codes.pdf
    • https://cdn-cms.f-static.net/uploads/4529087/normal_5fd5f4e01015b.pdf
    • http://tijoxuxiga.iblogger.org/biriyani_songs_video.pdf
    • http://tigitaja.iblogger.org/how_to_connect_ipad_to_jawbone_jambox.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://xadezifu.rf.gd/fidosidepaxevizeseg.pdf
    • https://a5a8f6e1-24ae-425c-880d-6f4079e3c376.filesusr.com/ugd/035627_3b9d4c3dd69c408485c4b1e8eb8838d9.pdf?index=true
    • http://kepawomokatuke.myartsonline.com/best_medical_school_personal_statement_examples.pdf
    • http://kazaxese.epizy.com/are_there_any_scheduled_power_outage_in_my_area.pdf
    • http://notaruk.rf.gd/jumprope_grades_student_login.pdf
    • https://f06ae689-34e6-4fd9-b749-a5985747e370.filesusr.com/ugd/4117a9_33340dc0bb5a47118661907214023bd6.pdf?index=true
    • http://tarepos.onlinewebshop.net/why_is_my_printer_not_printing_the_top_of_the_page.pdf
    • https://874c0fd6-92eb-497b-905f-dc7ca4d2e287.filesusr.com/ugd/5ca7d4_2e35604cd8874070ab9e8b76e15cf12d.pdf?index=true
    • https://6c8027e1-9878-41b3-a9ef-32ba2b6bcd02.filesusr.com/ugd/185811_0ecb2ec68f244403ba207251b7192735.pdf?index=true
    • 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_off00012ed2.bin
3046ed6af6f1c44eae4a8fbf5a4552d1e60d092fa48aa23d8d2a757024093550		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12ED2 5184 bytes
font_01_sfnt_off00014083.bin
d4913a9e13236bb3454618dc4739aba1c6b3c888ee411bd648174515be0fd9fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14083 11492 bytes

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