Malicious PDF — malware analysis report

Static analysis result for SHA-256 7fd164df3e17a134…

MALICIOUS

PDF

77.8 KB Created: 2021-03-12 19:34:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-13
MD5: e6bfd28e16470826212d38f1eae970e0 SHA-1: b653f6b963d00666a61550a9533a4ae9661c6f26 SHA-256: 7fd164df3e17a1342bce899969a254e1062a590a67429a1f64db13a5d3ed06f6
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 malicious domain, disguised as a search result. This suggests a phishing attempt to trick the user into visiting a compromised site. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for credential harvesting or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://mezovuduw.ru/123?utm_term=singham+returns+movie+reporter+name PDF link annotation
    • https://cdn.sqhk.co/wemorapi/hjhg4rL/terramorphous_turn_based_tactical_rpgs.pdfIn PDF document text
    • https://cdn.sqhk.co/tuxarulenogu/igNPCib/ebay_auction_sniping_tool.pdfIn PDF document text
    • https://cdn.sqhk.co/jotapepikota/h4gfgg6/counter_terrorist_attack_fps_gun_shooting_strike_war.pdfIn PDF document text
    • https://cdn.sqhk.co/gabamulijawe/jefhcjf/bubble_bobble_game_boy.pdfIn PDF document text
    • http://sowufevoga.iblogger.org/zumebudawobidate.pdfIn PDF document text
    • https://cdn.sqhk.co/xupumekejaxa/Fibggr7/classic_rock_trivia_and_answers.pdfIn PDF document text
    • https://cdn.sqhk.co/kerutadit/bBgiixj/52712073248.pdfIn PDF document text
    • https://cdn.sqhk.co/futevanu/e0j3qgi/bugs_bunny_characters_chick.pdfIn PDF document text
    • https://cdn.sqhk.co/xafogatok/Ujegjgi/marketing_manager_job_description_sample.pdfIn PDF document text
    • https://cdn.sqhk.co/mafozerekat/fNigvjb/95389779185.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://wiwekire.epizy.com/bosch_induction_cooktop_user_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/buganabowumujef/gebemerawabev.pdfIn PDF document text
    • https://s3.amazonaws.com/jusuberu/dias_feriados_de_puerto_rico_2020_accredited_state_chamber.pdfIn PDF document text
    • https://s3.amazonaws.com/kumasala/15522269865.pdfIn PDF document text
    • http://tizidirek.rf.gd/properties_of_exponents_review_worksheet_answer_key.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/02b9d18b-b6af-4c0e-83ce-e6c2932356ef/do_jumping_rope_increase_your_vertical.pdfIn PDF document text
    • https://s3.amazonaws.com/fekife/34837187812.pdfIn PDF document text
    • https://s3.amazonaws.com/rurovikejigibu/monthly_bill_tracker_excel_template.pdfIn PDF document text
    • https://s3.amazonaws.com/jezobasit/beats_solo_3_wireless_black_friday_deals.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/283cc62f-ba45-45f8-9687-894612cc4d1b/how_much_is_a_home_standby_generator.pdfIn PDF document text
    • https://s3.amazonaws.com/jumedemimo/55352332680.pdfIn PDF document text
    • https://s3.amazonaws.com/gazivemon/resistance_band_workouts_schedule.pdfIn PDF document text
    • https://s3.amazonaws.com/rodakarugupoko/5e_fighter_battlemaster_character_sheet.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c83f8dcb-7772-4697-99a9-4b0adb754055/what_is_the_2_harry_potter_movie.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_off0000f37b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF37B 5364 bytes
SHA-256: 96176598530ad19d89c576ae0803bd454065600b8d009c2c8056f9c5c7c487c7
font_01_sfnt_off0001059a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1059A 10624 bytes
SHA-256: 8e1b6c0e006369d9090507c6d3ec2a1b4efbb2fc3617459b192f23d528b18abd

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