Malicious PDF — malware analysis report

Static analysis result for SHA-256 5bcc649a775a6ab7…

MALICIOUS

PDF

64.6 KB Created: 2021-02-21 16:24:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: c002962504b0ced84afe3623e637e2e1 SHA-1: d56368e1fa0296761c1c2cb6d3194d92f3e424e4 SHA-256: 5bcc649a775a6ab77e5010ef3894a7665c5ada9399cf525024f7e0492d41e216
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, and contains an embedded URI pointing to a suspicious domain. The document body, though heavily obfuscated, suggests a lure related to a 'prayer journal'. The presence of external URIs indicates an attempt to redirect the user to a malicious site, likely for further exploitation or credential harvesting.

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://baarspo.ru/aws?utm_term=draw+the+circle+prayer+journal PDF link annotation
    • http://smilex.club/61100273284h99aj.pdfIn PDF document text
    • https://cdn.sqhk.co/bolukawet/jcjekzS/castle_defense_knight_fight_mod_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/tesigasefaxe/Mjcjgt1/cnc_woodworking_shops_near_me.pdfIn PDF document text
    • https://cdn.sqhk.co/dapumexader/yjcGidm/xixiduv.pdfIn PDF document text
    • http://cookwellbakewell.com/tic_tac_toe_2_player_visual_basicyb5lp.pdfIn PDF document text
    • https://cdn.sqhk.co/gixedomawa/5jhOxib/rezofufep.pdfIn PDF document text
    • https://cdn.sqhk.co/bisuligiga/ieheicb/sonic_the_hedgehog_4_episode_ii_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/vizinifum/5ccgjBB/pay_american_express_bill_in_person.pdfIn PDF document text
    • http://idealica-itufficiale.website/benim_hocam_ders_notlar_yksb85u2.pdfIn PDF document text
    • http://mon-cmb.best/sushanta_paul_marksheet8sah9.pdfIn PDF document text
    • https://cdn.sqhk.co/zeliravepuj/iZ0LNwh/8659277893.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/sugowubuf/d_d_3._5e_artificer_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/paxuvagal/veseboranuxobuvopifuma.pdfIn PDF document text
    • https://s3.amazonaws.com/vukumesoj/reinforced_concrete_column_design_worked_example.pdfIn PDF document text
    • http://wuzuvulas.epizy.com/bildungsroman_definition.pdfIn PDF document text
    • https://s3.amazonaws.com/pirofopafu/balsamic_vinegar_salad_dressing_nutrition_information.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_off0000c125.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC125 5112 bytes
SHA-256: 00627a1fc8cd41a172e20311c58485830f1030e23f99679b984c107bbb5de6dc
font_01_sfnt_off0000d2a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD2A3 10244 bytes
SHA-256: aaa5e933dcce25837dd0af7f2e09c4053575744b70620907193a04c938e04a48

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