Malicious PDF — malware analysis report

Static analysis result for SHA-256 68af94d1f7ae0983…

MALICIOUS

PDF

107.3 KB Created: 2021-03-29 15:24:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: 7d0278f224dfba7683482ff9b9f6ca85 SHA-1: 65f8236787954411ef0fff8b51e9b6fab415087f SHA-256: 68af94d1f7ae09832970ea3ed9a3a634093eab132278be083d8e97c3853bae3b
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URL pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. The document body, though heavily obfuscated, contains keywords related to product listings, suggesting a lure for potential victims.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://jumiwimov.ru/strik?utm_term=focusrite+scarlett+18i20+3rd+gen+used PDF link annotation
    • http://digitaltoolsfor.xyz/how_to_draw_a_realistic_dragon_head_step_by_stepldkk7.pdfIn PDF document text
    • http://fajujefa.getenjoyment.net/dirk_gentlys_holistic_detective_agency_season_1_episode_5.pdfIn PDF document text
    • http://bigops.fun/sharkboy_and_lavagirl_dream_song_lyrl5mjb.pdfIn PDF document text
    • http://myluckybet.xyz/disopidulufesedamadatajin9ntfs.pdfIn PDF document text
    • http://kexumojazo.mypressonline.com/cdr_for_engineers_australia_sample.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4385612/normal_6007e774ce7a6.pdfIn PDF document text
    • http://julivojurukumu.sportsontheweb.net/uppcl_assistant_engineer_syllabus_2020.pdfIn PDF document text
    • http://qupieasy.online/sindrome_de_medeaynnf8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4468553/normal_5fe66c4a01d40.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459636/normal_5fe9d4e25d83d.pdfIn PDF document text
    • http://tetiviguxawik.getenjoyment.net/gelaboguwonibasadu.pdfIn PDF document text
    • http://20970907.net/fejofixawepo42ga4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403131/normal_5ff4d7663cfa1.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bememikat.onlinewebshop.net/42168506771.pdfIn PDF document text
    • https://s3.amazonaws.com/zurovajij/47408780801.pdfIn PDF document text
    • https://s3.amazonaws.com/neporezofov/muradavajusupi.pdfIn PDF document text
    • https://s3.amazonaws.com/kigavanus/ieee_conference_template_format.pdfIn PDF document text
    • https://s3.amazonaws.com/lixasifasi/equivalent_resistance_problems_class_10.pdfIn PDF document text
    • https://s3.amazonaws.com/gewisetug/27438197158.pdfIn PDF document text
    • https://s3.amazonaws.com/feliso/how_to_tie_knots_for_necklace.pdfIn PDF document text
    • http://polabufu.myartsonline.com/what_is_an_engineering_drawing.pdfIn PDF document text
    • https://s3.amazonaws.com/tozaduliwubega/what_is_service-oriented_architecture_soa.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
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn 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_off00014fb2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14FB2 6440 bytes
SHA-256: 629123bfde0685c5f69bbdd27ec008bde0224d5c30af1dabb990f6ee33ea778e
font_01_sfnt_off00015fa6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15FA6 5748 bytes
SHA-256: bea382528bd517c5c798fc27b47d2144ab69eaf8b5b5faa663ec84141d4a4083
font_02_sfnt_off0001733f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1733F 13728 bytes
SHA-256: 36e4dcf223a5c3f62f1c2c8f973811e6c1e6fffd8cb448f5fc33a796557dc483

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