Malicious PDF — malware analysis report

Static analysis result for SHA-256 07edaf969f72bec7…

MALICIOUS

PDF

74.9 KB Created: 2021-03-27 15:01:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-23
MD5: 3e865b29d5b58e3eafb6423eff3aac3c SHA-1: d1448d0b05ffdbd15bc8452fc4cc85ff0f12d910 SHA-256: 07edaf969f72bec76f0803ddcfae89005c3a0657d37ca54d9a3df85e96e41821
96 Risk Score

Malware Insights

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

The file is a PDF containing an embedded URL that points to a suspicious domain, identified by heuristics as a potential phishing or malicious lure. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the PDF structure and embedded URI suggest it's designed to redirect users to a malicious site, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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/award?keyword=equivalent+algebraic+expressions+pdf PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4489237/normal_605c862e89827.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410678/normal_6017378e701e9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451766/normal_6048c44d9fad5.pdfIn PDF document text
    • http://jasetukuxazep.22web.org/how_to_open_icloud_files_on_android.pdfIn PDF document text
    • http://funogager.22web.org/cache_cleaner_smart_pro_apk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4474176/normal_601f52c3cc86a.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://uploads.strikinglycdn.com/files/5661930d-96e7-414d-a6bf-facf1923a2a4/hp_elitebook_2560p_price_in_pakistan.pdfIn PDF document text
    • http://wojegopuda.rf.gd/58244603220.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9750a5e2-49df-41a9-86f3-761d6e8c09ad/jack_reacher_never_go_back_review.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/aea88280-194a-4b0b-8d2e-b8015c341d6f/power_supply_tester_wiki.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/30611cd4-4d0c-4839-b584-1c604d647217/didibom.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0a116ad2-e7f5-4bb7-bb1a-8f9fb861c6b3/blackberry_classic_unlocked_for_sale.pdfIn PDF document text
    • http://noserupoxor.rf.gd/teacher_evaluation_form.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/552ccb0f-66be-4eeb-ad2c-382bce4116e4/figipufi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ab71a09d-7c87-4dba-8fbb-be8e5341bf5e/what_does_an_operations_manager_do_in_a_business.pdfIn PDF document text
    • http://ritebononopa.epizy.com/juzotisaverujekona.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3f3acdff-5e0d-4508-8f46-7152daae2476/how_to_reset_panel_on_kitchenaid_refrigerator.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c09d68e2-eac2-4104-bacc-2d8c86bae243/lexus_es300h_hybrid_battery_replacement.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2f4f7136-2345-4a78-8bc8-c811d96d2833/73423421562.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/434d68d2-f605-4297-9071-ea665f8d4888/2736572788.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f93e3220-8326-4666-b41c-6779b4cbc340/how_to_get_rid_of_acne_scars_naturally_reddit.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_off0000d93c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD93C 5556 bytes
SHA-256: c8c291baba7006fe2f93b8bec012865813ef39e229ebe46678e25a675a51e060
font_01_sfnt_off0000ec28.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC28 10340 bytes
SHA-256: 988d9037fd1e80b5ea57d0a40ba84a635f4f88541beccdffa850589ffccc974b
font_02_sfnt_off00010fc3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10FC3 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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