Malicious PDF — malware analysis report

Static analysis result for SHA-256 d41938030747c2de…

MALICIOUS

PDF

89.0 KB Created: 2021-03-26 02:39:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: c6841188247bd988d05e9dbc3a232c26 SHA-1: 97e24a49eea6e58c2f4c8652c228efac78bc46b0 SHA-256: d41938030747c2de83cc296b65388367343abe432213217bbcbf4a49f75d101c
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-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://golowaki.ru/wix?keyword=section+1+work+and+machines+worksheet+answers PDF link annotation
    • http://sesesuruko.mypressonline.com/sample_behavioral_interview_questions_and_answers.pdfIn PDF document text
    • https://cdn.sqhk.co/kupuruvew/0cheVFs/truck_icon_free_download.pdfIn PDF document text
    • http://nigavereke.mygamesonline.org/how_to_type_power_symbol_in_word.pdfIn PDF document text
    • http://mosomupusafebin.medianewsonline.com/kptcl_junior_assistant_question_paper_2020_download.pdfIn PDF document text
    • http://dapujabowigu.sportsontheweb.net/dialectical_behavior_therapy_workbook.pdfIn PDF document text
    • https://cdn.sqhk.co/gixedomawa/Uhdkwji/nutetolo.pdfIn PDF document text
    • http://jofufunobek.sportsontheweb.net/causes_of_bleeding_in_early_pregnancy.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/6198cf99-bab3-44f0-a918-8af60d41957b/how_to_use_davinci_resolve_for_beginners.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/40b58582-8b7a-4cd8-8a76-0d78a0a1ccd0/the_shack_chesterfield_mo_63017.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/aab3e02a-4977-4693-b950-c79c1a118680/kadowego.pdfIn PDF document text
    • http://legokejapo.atwebpages.com/xajegoluvawuna.pdfIn PDF document text
    • https://s3.amazonaws.com/xafaxotaful/early_bird_diner_south_carolina.pdfIn PDF document text
    • https://s3.amazonaws.com/gezizefefififa/microsoft_word_templates_for_brochures.pdfIn PDF document text
    • http://pelebirepopo.onlinewebshop.net/dc_shunt_motor_applications.pdfIn PDF document text
    • https://s3.amazonaws.com/mokamoba/kupepimen.pdfIn PDF document text
    • https://s3.amazonaws.com/tirimofufemukat/tvr_cerbera_buyers_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/jeworurowam/90653080770.pdfIn PDF document text
    • http://pumikowexudat.onlinewebshop.net/bedroom_vocabulary.pdfIn PDF document text
    • https://s3.amazonaws.com/pegozegi/75086661728.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2540fa3b-ee7b-402d-8e85-0930849b220c/momawikunikumikez.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_off00011e6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11E6C 5460 bytes
SHA-256: 8fe072466d1cb4056c47c42dcad2baa4ff8655535f5034b9e7e591a641e9ad1c
font_01_sfnt_off000130e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x130E6 11168 bytes
SHA-256: b77e9e4a938b4b101aeb9cfd7d810d34d5ec292cae0347daf3dc5b461d95942d