Malicious PDF — malware analysis report

Static analysis result for SHA-256 d07b718e53685b59…

MALICIOUS

PDF

87.4 KB Created: 2021-06-07 16:27:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-24
MD5: 97540b181015e392c84819d4b7ab295c SHA-1: e7fe3fc147cc1c5ac0d3f03a206e20e614f95ec7 SHA-256: d07b718e53685b59c7b6ecaaed4612f85cc7ca6d7aeb70bd30241bcd9ca83a9b
196 Risk Score

Malware Insights

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

This PDF document exhibits characteristics of a phishing or social engineering attack, leveraging a lure related to 'Minecraft forge download'. It contains a large number of external links, suggesting a link farm or redirection mechanism to host malicious content. The presence of the 'SE_CLICKFIX' heuristic indicates the document may attempt to trick users into executing commands, a common tactic in ClickFix attacks.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClickFix social engineering attack high SE_CLICKFIX
    Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
  • 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://drafthe.ru/pbw?utm_term=minecraft+forge+14.23+5+download PDF link annotation
    • https://wawukonuxoni.weebly.com/uploads/1/3/4/0/134095992/3375358.pdfIn PDF document text
    • https://vafukited.weebly.com/uploads/1/3/4/0/134017527/nanejujesup.pdfIn PDF document text
    • https://pofumojonoro.weebly.com/uploads/1/3/4/4/134474045/853026f.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/430829d7-8327-430b-a234-3bdb247b7394/tefemubelobat.pdfIn PDF document text
    • http://vananizi.pbworks.com/w/file/fetch/144495654/why_isnt_my_fios_remote_working.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ec554a94-6837-40e6-863d-d37bc0ed20ae/do_creeper_farms_work_in_1.16.4.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/748af5ab-4359-4274-8376-baa7fd161228/attack_on_titan_season_3_part_2_blu_ray_limited_edition.pdfIn PDF document text
    • http://lodenapokot.pbworks.com/f/how_to_build_a_workout_plan.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a0d0aaf7-bf3f-42d6-b6dd-e463557bc52c/can_you_build_muscle_on_a_4_day_split.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/611967e8-0d42-457d-9371-d3fb25d1a619/chess_strategy_book.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3dde9dc8-9e00-4b83-b469-9905d3e2b498/how_to_learn_dentistry.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e1c238ed-342b-43c7-bd69-eca8fc897fce/82771516580.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bc235134-7188-43c6-80a6-dee3872ecd7e/foscam_fi8910w_software_windows_7.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f4096bce-1d93-4f72-9e32-5c4778a23b86/kimujilubovefonezum.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ce2271fb-3fe1-4948-88b6-c0c6b1f97400/cambridge_lms_progress_test_answers.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/74c7a573-1bd6-4a73-bdf2-aa978e0179df/what_are_native_american_symbols_called.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9e9b4924-9eb3-4c23-a174-0a07cc34e010/canon_powershot_sx700_hs_software_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/be22f993-3104-410f-83f3-bd7ed3f6edd4/what_is_the_safety_corridor_in_arizona.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4a87f5c5-8bfa-4562-be2c-83964d1b5c89/remington_model_11-48_serial_number_location.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e4bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE4BB 7940 bytes
SHA-256: e0d37f218532b75af2977faf68dd7b0c6f2b9051cc9f17181faa75cba144bfc0
font_01_sfnt_off0000ffb1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFB1 5700 bytes
SHA-256: e89b1781a13cd11798daa71ce30e73e853655448ae85ca1474e4dfd353a597ba
font_02_sfnt_off0001135c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1135C 11352 bytes
SHA-256: 4683cec12955be7cc90ecc3cf4d3cc16be0de96601aba129a5d035fec11f333e
font_03_sfnt_off00013a5c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13A5C 16208 bytes
SHA-256: d6691d7f4c8b10877bd25af26bde883dd7762551e2d4f138d151c425b6578ade

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