Malicious PDF — malware analysis report

Static analysis result for SHA-256 01ab8b36d9404011…

MALICIOUS

PDF

1.15 MB Created: 2021-03-25 03:51:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: dad2ddb147ea3f8e3bba81ddd6185299 SHA-1: 90eff8c8ff113bb54da22875d1ecf32912967990 SHA-256: 01ab8b36d9404011d767d1fc65974293f4ac2a5b27388339c1e608efac56ed9f
114 Risk Score

Malware Insights

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

The file is identified as malicious by ClamAV and exhibits characteristics of an advance-fee scam, including urgency and large-value language. The presence of an external URI pointing to 'fokemale.ru' suggests an attempt to redirect the user to a malicious site. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate a phishing or scam attempt, likely delivered as a spearphishing attachment.

Machine Learning

  • Nyx PDF Classifier clean score 0.0376

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=public+relations+writing+and+media+techniques+pdf
    • https://static.s123-cdn-static.com/uploads/4447447/normal_5ff89b1d76316.pdf
    • http://smartcreditcheck.info/80142152298qcod0.pdf
    • http://de-bewertung-889562.icu/can_you_escape_100_room_6_level_49rrgqe.pdf
    • http://armada.technology/current_instruction_register_examplenlmhz.pdf
    • https://static.s123-cdn-static.com/uploads/4421788/normal_5ffff58e9b446.pdf
    • http://mon-cmb.best/mini_town_horror_granny_house_mod_apkg7ghk.pdf
    • https://static.s123-cdn-static.com/uploads/4392462/normal_600406045074f.pdf
    • http://mavigawika.scienceontheweb.net/cuales_son_los_sintomas_de_embarazo_de_gemelos.pdf
    • http://xevusezes.medianewsonline.com/black_and_decker_battery_weed_eater_parts.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://duxegejuw.atwebpages.com/11110899244.pdf
    • http://xedemigu.atwebpages.com/what_bird_has_orange_feet.pdf
    • https://uploads.strikinglycdn.com/files/2ad4239b-2f7c-440c-b4db-0845d0f354a0/22419166075.pdf
    • http://zupitatip.atwebpages.com/anatomy_and_physiology_coloring_workbook_answers_chapter_6_muscular_system.pdf
    • https://uploads.strikinglycdn.com/files/2b4d4817-4e59-4c77-9c5a-d8a0b2e54d5b/1_8_architectural_scale_calculator.pdf
    • https://s3.amazonaws.com/rirusozo/data_warehousing_and_data_mining.pdf
    • https://s3.amazonaws.com/gagotaniwipure/18867417840.pdf
    • https://uploads.strikinglycdn.com/files/1c510741-2f3c-4b7b-8de9-a7371dc65e8a/co_has_what_intermolecular_forces.pdf
    • https://uploads.strikinglycdn.com/files/e2878f27-7c9e-4097-8fcc-6c47f7e6f33d/89682013120.pdf
    • https://s3.amazonaws.com/lemefofutomapox/mamokasidisefasasuja.pdf
    • https://s3.amazonaws.com/selivuvumepaveb/atopic_dermatitis_guidelines_2017.pdf
    • https://s3.amazonaws.com/nimuwet/chinese_english_dictionary.pdf
    • https://s3.amazonaws.com/vosimalume/denon_avr-x4100w_service_manual.pdf
    • https://s3.amazonaws.com/penale/odia_song_2018_a_to_z.pdf
    • https://s3.amazonaws.com/jufowokedunod/event_critical_path_template_excel.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
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0011ef06.bin
3502c1a434c3ae558f012181162cb92cf3f0def4898bddb4e3b4f97fc79d61c5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11EF06 5928 bytes
font_01_sfnt_off00120316.bin
c3a8d2a110f40ffc0f92ec3ad1c640a9b04ffb217147b4ebb5ebd80fd2560387		 pdf-font-stream PDF embedded font (sfnt) at offset 0x120316 13612 bytes
font_02_sfnt_off0012303f.bin
541fa2b6826b0add99b7d5a173ef1e6a5567607b5192f75b810eb17d6a563501		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12303F 16204 bytes

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