Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a60bf1431b6d8d8…

MALICIOUS

PDF

76.4 KB Created: 2021-04-07 00:14:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-21
MD5: 02e1c80dd0df0128c052b551c72dd8c6 SHA-1: 88f2e1042d43bef18e32441609982d24c2162939 SHA-256: 6a60bf1431b6d8d86876e9436176f84d5e5f00876128f57bc2f5f2aea21d2543
104 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to 'xezojetit.ru/award', suggesting a lure to trick the user into downloading a payload. The presence of a 'Download Button' heuristic further supports a phishing or social engineering attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://xezojetit.ru/award?keyword=aladdin+ka+chirag+story+in+urdu+pdf PDF link annotation
    • https://cdn.sqhk.co/danajuva/bja5idX/gawobixukebelafux.pdfIn PDF document text
    • https://cdn.sqhk.co/terodekijur/7hcP2RX/lojavedizuji.pdfIn PDF document text
    • https://cdn.sqhk.co/bamikalagov/emihjjy/what_s_your_story_mod_apk_revdl.pdfIn PDF document text
    • http://xumarageli.22web.org/fubugolulinag.pdfIn PDF document text
    • https://cdn.sqhk.co/zunesunatiri/icYS4Z8/cruiseaway_by_dreamlines_australia.pdfIn PDF document text
    • https://cdn.sqhk.co/gojogefe/i9uqzhd/bevefomarilojilogalemo.pdfIn PDF document text
    • https://cdn.sqhk.co/berirenike/jjgfje7/domestic_dog_simulator_stray_dog_games_download.pdfIn PDF document text
    • https://cdn.sqhk.co/ponesigis/geMggRg/47862903611.pdfIn PDF document text
    • https://cdn.sqhk.co/kinuneba/igiagiX/best_hashtags_to_get_followers_on_instagram_2020.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/b171b817-8bdb-4d24-9d96-5c5524de2d5a/suwodezusibofokogomipulu.pdfIn PDF document text
    • http://porugunime.epizy.com/dahua_cctv_camera_price_list.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/65b4bad6-eca4-4748-ab37-240b0c73a509/can_you_spin_only_on_bosch_washing_machine.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a47083df-bff9-4bc3-91e4-f7c645bdea7a/the_merchant_of_venice_summary_act_1_scene_2.pdfIn PDF document text
    • http://panurimo.epizy.com/78162778963.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0becc951-fc96-44f7-83ce-6860d284ba27/how_to_draw_realistic_procreate.pdfIn PDF document text
    • http://zidarebuna.epizy.com/hallmark_movie_the_secret_ingredient_full_cast.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b63e16a1-b1d7-4bf2-ac94-3bd6b1f889b2/what_is_aggregate_planning_in_services.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9af1fe47-1b1c-40b4-ac80-04ab97b8b17b/navy_eval_bullets_for_training_petty_officer.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_off0000eb79.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB79 5572 bytes
SHA-256: 0707f897a78c8bafe864fdd3b05c1404aa5517e49c6e1f33e5a6257d019f7a5d
font_01_sfnt_off0000fe7f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE7F 11008 bytes
SHA-256: 7ca8b5183ab7368a73fd97cf64312998328b0aeb71788a0d1ae56a8c25bbc13d

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