Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5fd179547207d3f…

MALICIOUS

PDF

76.8 KB Created: 2021-03-04 07:57:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: dd03d8a7533d3a0d83818b0bca283f66 SHA-1: 362d855c20cc08d0c09469e730dd823bbbb3a060 SHA-256: e5fd179547207d3f7df1d00465f1cc2f2ca0a75bc41b963eb153a2424cb38db9
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://crophysi.ru/wix?keyword=akeelah+and+the+bee+movie+questions+answers PDF link annotation
    • http://sakulog.sportsontheweb.net/fidupixivivomepuwisuk.pdfIn PDF document text
    • http://nasaxupinile.iblogger.org/ekko_guide_build.pdfIn PDF document text
    • http://virutezofulodud.iblogger.org/subofuneku.pdfIn PDF document text
    • http://lezigovedavide.getenjoyment.net/17165321069.pdfIn PDF document text
    • http://metikinave.22web.org/sisyphus_myth.pdfIn PDF document text
    • https://cdn.sqhk.co/gixotagokezu/gTop6hf/candy_crush_saga_on_facebook_won_t_load.pdfIn PDF document text
    • https://cdn.sqhk.co/jujadiziga/5ggnjel/radio_shack_catalog_1981.pdfIn PDF document text
    • https://cdn.sqhk.co/tibakekavero/AhdjcMr/285_armored_car_money.pdfIn PDF document text
    • http://jorowijedo.mywebcommunity.org/tonin.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/dazovosugev/ubuntu_install_android_emulator_command_line.pdfIn PDF document text
    • https://s3.amazonaws.com/dosipive/sulizisirirofunakaba.pdfIn PDF document text
    • https://s3.amazonaws.com/nutanigonu/recyclerview_android_example_tutorialspoint.pdfIn PDF document text
    • http://soranodabiwegi.myartsonline.com/keystone_pipeline_oil_leak_in_north_dakota.pdfIn PDF document text
    • https://s3.amazonaws.com/sugosubexez/bidijovuserebimi.pdfIn PDF document text
    • https://s3.amazonaws.com/wezukep/94922837310.pdfIn PDF document text
    • https://s3.amazonaws.com/bejikefowu/81892203033.pdfIn PDF document text
    • http://lodaxiku.rf.gd/26275257913.pdfIn PDF document text
    • https://s3.amazonaws.com/nagev/pekerjaan_beruniform_di_malaysia.pdfIn PDF document text
    • https://s3.amazonaws.com/kuxuxemu/amar_chitra_katha_ebook.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_off0000edf6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDF6 5536 bytes
SHA-256: 23f5b3cf59b4f65618dfd851b9f3a5056c6563354ae52ea461d2764453f1a3ce
font_01_sfnt_off000100ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x100AC 10736 bytes
SHA-256: 1ed4312eccd6935ef4ee330d4c3445205eb78ea704b9cd6214facadf0635e3b8

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