Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ca2d01578a84982…

MALICIOUS

PDF

100.4 KB Created: 2021-03-23 23:38:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 05b6b22d5605279524a6d3375acba8d5 SHA-1: 22be29e5966560388fb9e235bcdd557963ba2e64 SHA-256: 9ca2d01578a849822a4216361747efe58a2d9e775923b5fb50023571e287f2c7
96 Risk Score

Malware Insights

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

The PDF contains an embedded URI pointing to a suspicious domain, identified by heuristics and a machine learning classifier as malicious. The ClamAV detection further confirms its malicious nature, classifying it as a phishing trojan. The embedded URL likely serves as a lure to a phishing site, aiming to deceive users.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

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://xezojetit.ru/wix?keyword=brocade+vdx+6730+configuration+guide
    • http://pipavinekiga.mywebcommunity.org/can_you_draw_on_ipad_pro_without_apple_pencil.pdf
    • https://cdn.sqhk.co/ripejiku/SAjgigj/28844484892.pdf
    • https://cdn.sqhk.co/vumulevezuf/ihajhQK/packers_tv_schedule_today.pdf
    • https://cdn.sqhk.co/gotofebelu/WeFAZhc/nedakelokibitos.pdf
    • http://rujewazaxijaza.sportsontheweb.net/california_rental_application_form.pdf
    • http://maturibcgj.space/6949725372ufeg1.pdf
    • https://cdn.sqhk.co/lawafopugu/hehbOu4/short_nails_summer_designs.pdf
    • http://help-service-support.com/6465824201922ux2.pdf
    • https://cdn.sqhk.co/xafiguzi/igX5Y0a/wallpaper_emoji_ios.pdf
    • http://segwaywheelchair.ru/english_phonetics_and_phonology_free8wtio.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://s3.amazonaws.com/norozovijalu/21432758101.pdf
    • https://s3.amazonaws.com/jamuluvuvava/do_you_pay_social_security_on_1099.pdf
    • https://s3.amazonaws.com/simujix/92087738002.pdf
    • http://jurizamumi.myartsonline.com/bard_tale_3_manual.pdf
    • https://uploads.strikinglycdn.com/files/fe5d8c87-bd8a-4b09-8348-9d1fcd7fac59/indian_law_books_in_marathi_free_download.pdf
    • https://uploads.strikinglycdn.com/files/4b2e066e-bca3-4e88-8c05-273f53eb9d09/hamilton_beach_flexbrew_thermal_coffee_maker_single_serve__full_pot.pdf
    • https://uploads.strikinglycdn.com/files/186944ca-4e29-4af5-b5e1-8f53a3232426/zen_in_the_martial_arts_download.pdf
    • https://uploads.strikinglycdn.com/files/23c5217f-4b06-4f58-a2e6-c1b399b32659/ferrari_308_for_sale_los_angeles.pdf
    • https://uploads.strikinglycdn.com/files/e6a87a63-d51b-480e-b22f-73b8eb382314/8777901226.pdf
    • https://uploads.strikinglycdn.com/files/6a3ecdc8-3114-4f9a-b0c6-703e165710cd/xevuvumikaxo.pdf
    • https://s3.amazonaws.com/sazixipame/how_do_you_answer_hey_whats_up.pdf
    • https://uploads.strikinglycdn.com/files/edd61f5c-a2cd-426f-a9b7-c091b7dd45d3/2013_dodge_charger_v6_top_speed.pdf
    • https://uploads.strikinglycdn.com/files/c65231ec-8fb2-4539-b52b-8715dd397fd0/pazarenolisabufoji.pdf
    • https://uploads.strikinglycdn.com/files/c7ee0d4f-0c3b-4214-a618-82c452d056c2/how_to_play_with_naruto_cards.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000139c4.bin
55a98016ad0f38c54a30ef4924960e6aee9930025f556275311c18bfc3597bb8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x139C4 5576 bytes
font_01_sfnt_off00014cd1.bin
290ea97a04700a9278fb703cee338e9eecf1d9763665696168859d02b7db2d8b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14CD1 11980 bytes
font_02_sfnt_off000175d1.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x175D1 4324 bytes

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