Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e6c2033daf557db…

MALICIOUS

PDF

112.5 KB Created: 2021-02-24 20:04:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: e7e7b8525b212bef669755b931b0d471 SHA-1: e3010f5758fd258bec050e3f1dc754073dabadf8 SHA-256: 1e6c2033daf557dba007e2a619edf5e567c7f0c2ff2e17d04166ca5665e3ad10
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://jacksth.ru/strik?utm_term=antonio+gramsci+hegemony+summary PDF link annotation
    • https://cdn.sqhk.co/zodozane/gRibhhn/destiny_child_mobile_game_tips.pdfIn PDF document text
    • https://cdn.sqhk.co/jagugide/jibVhH0/robotics_notes_elite.pdfIn PDF document text
    • http://parhelifrl.space/8mm_movie_projector_bulbs7ugq1.pdfIn PDF document text
    • https://cdn.sqhk.co/bodegife/BVXjeUX/rigelurarowolipixuzunirom.pdfIn PDF document text
    • https://cdn.sqhk.co/kafexobesa/Nidibgg/best_civil_war_battlefields_in_virginia.pdfIn PDF document text
    • https://cdn.sqhk.co/xotosira/ejbTUn5/16006508039.pdfIn PDF document text
    • https://cdn.sqhk.co/lekusovu/Vigo6gi/9217923893.pdfIn PDF document text
    • http://miiliioner.xyz/openpilot_cc3d_firmware_downloadgcg42.pdfIn PDF document text
    • https://cdn.sqhk.co/tagisaxozof/jiTui0W/space_wolves_9th_edition_codex.pdfIn PDF document text
    • http://micrometer25bill.site/sopa_de_letras_dificiles_para_imprimir1aq3s.pdfIn PDF document text
    • https://cdn.sqhk.co/wezufunin/cxZLKXd/can_knockdown_3.pdfIn PDF document text
    • https://cdn.sqhk.co/vakenuda/ejjigjh/my_movie_maker_mod_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/sadetujadufi/igjiuji/padiribadedaladin.pdfIn PDF document text
    • http://chatik85939775.fun/pitch_black_afro_songsqvr82.pdfIn PDF document text
    • http://dkblogin-de.best/270466234504xn1n.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/zuwimadaneb/bizekebonatur.pdfIn PDF document text
    • https://s3.amazonaws.com/webipejonavuv/anna_movie_video_songs_free.pdfIn PDF document text
    • https://s3.amazonaws.com/legesiliv/zekovefitinadisezom.pdfIn PDF document text
    • https://s3.amazonaws.com/wibadinavosunom/singularity_bts_music_video.pdfIn PDF document text
    • https://s3.amazonaws.com/fujadabez/branch_manager_request_letter_format.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000169f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x169F5 5152 bytes
SHA-256: 788fdfc580a0f4a7ad29458391fab6c50cc6b8ca0ce71f6fd390cc5acb1fc8f8
font_01_sfnt_off00017b53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17B53 13384 bytes
SHA-256: 4cd8ba95438e40bd44f71a107236154a77c50a47cc7beff6d20c2290b673819d
font_02_sfnt_off0001a617.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1A617 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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