Malicious PDF — malware analysis report

Static analysis result for SHA-256 f493ee3ea3a17c64…

MALICIOUS

PDF

77.8 KB Created: 2021-03-20 06:45:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: c63e620a8c650bc46bbf40f4c5eb5a01 SHA-1: 898f9b39e8d2c4edb61f0185b76b55ad583d3a28 SHA-256: f493ee3ea3a17c64f272a32dc1638afad8c8a6a9d2412290352ddf209d019323
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 0.9989

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://fokemale.ru/wix?keyword=free+download+your+freedom+apk+for+android PDF link annotation
    • https://cdn.sqhk.co/jenetuwuda/a8hhhhh/san_francisco_boat_drive_in_theater.pdfIn PDF document text
    • http://mitimewigupito.mypressonline.com/how_to_use_ready_mix_concrete.pdfIn PDF document text
    • https://cdn.sqhk.co/wisewuguv/hbdjbD9/como_olvidarte_acordes_yatra.pdfIn PDF document text
    • http://rosutob.getenjoyment.net/poxagoto.pdfIn PDF document text
    • https://cdn.sqhk.co/sozimelizak/hgcHDhi/7253674678.pdfIn PDF document text
    • http://fagogit.sportsontheweb.net/architecture_in_the_future.pdfIn PDF document text
    • https://cdn.sqhk.co/vatomepipiw/fJhtmhB/best_english_songs_for_hellotune_2020.pdfIn PDF document text
    • http://xalenupom.getenjoyment.net/39811473197.pdfIn PDF document text
    • http://faxixovojaja.sportsontheweb.net/10097072744.pdfIn PDF document text
    • http://fafabil.getenjoyment.net/23673424123.pdfIn PDF document text
    • https://cdn.sqhk.co/taxosavasesa/giPxUgc/5362519992.pdfIn PDF document text
    • http://fibisazorowax.mypressonline.com/can_smart_scales_really_measure_body_fat.pdfIn PDF document text
    • https://cdn.sqhk.co/minofavazu/jhjcUje/tidowegelapugiwisunadugu.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/dudurat/xigali.pdfIn PDF document text
    • https://s3.amazonaws.com/bezutu/quantum_dot_cellular_automata_project_report.pdfIn PDF document text
    • http://tulifal.onlinewebshop.net/64689608427.pdfIn PDF document text
    • https://0c17d2ad-06a2-4efd-9128-26148cac6670.filesusr.com/ugd/44320b_9ea7ff7da1644826a8896d8a8632df1b.pdf?index=trueIn PDF document text
    • https://d992f69e-bc5b-430a-92d7-abfd66d0380b.filesusr.com/ugd/6f7357_f12df9461b3f45509f9afc642c490022.pdf?index=trueIn PDF document text
    • http://vorisenunajix.myartsonline.com/adobe_reader_free_download_full_version_for_windows_7.pdfIn PDF document text
    • https://e8b83640-91e4-44a0-a69f-c2468797902f.filesusr.com/ugd/ee4a13_c3292fb159724a9f9d37d7409f7aeae9.pdf?index=trueIn PDF document text
    • https://06e27459-8a58-4d01-a48e-f853eab966f6.filesusr.com/ugd/55f1a0_56ffa244750840d4ba2249abdc1e1f85.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/watajive/carnegie_learning_7th_grade_math_book_answers.pdfIn PDF document text
    • https://ede8a7a3-2377-4e09-926a-401222b31c25.filesusr.com/ugd/81c89d_825dc4e9beb44ee18f041dcb86a5a013.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/gorajikunobixi/essential_oils_pocket_reference_life_science.pdfIn PDF document text
    • https://s3.amazonaws.com/sazixipame/installation_and_commissioning_report_template.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_off0000e255.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE255 5024 bytes
SHA-256: a0cca9c75237157a2c8d3be73b628a0eb23247244c7fa44dc22b755aad5c6bfd
font_01_sfnt_off0000f366.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF366 11604 bytes
SHA-256: c73adb37f96dd59aa5f1a608de1992131dacf0a1a5c293de0ff88a81cbbdb6f5
font_02_sfnt_off000119c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x119C8 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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