Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ce37e5e3daad105…

MALICIOUS

PDF

79.8 KB Created: 2021-03-06 14:32:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: b272d593022ad919468603d755ea20ec SHA-1: 564ad086322a12c1258857922fa4efdab4a27cd1 SHA-256: 1ce37e5e3daad105ca879d3dfe93512d4407e60283eb3c9dd2adcbcdfeef8f91
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • 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 is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://golowaki.ru/123?utm_term=troy+bilt+875ex+pressure+washer+carburetor+cleaning PDF link annotation
    • http://pixell.store/34074032638ic044.pdfIn PDF document text
    • http://bonmarket.site/wemorazixefi7aht.pdfIn PDF document text
    • http://nonowun.mywebcommunity.org/fuxekejelat.pdfIn PDF document text
    • http://sodowetan.mywebcommunity.org/42293565505.pdfIn PDF document text
    • http://dewemopiwofim.22web.org/evaluating_expressions_worksheet_5th_grade.pdfIn PDF document text
    • http://hookup757.fun/46149332978z19rb.pdfIn PDF document text
    • http://pelinebaj.mypressonline.com/five_nights_at_freddys_game_player.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/6fc81322-bdd2-4a94-83b3-23d3745ef0b7/sims_3_expansion_packs_codes.pdfIn PDF document text
    • http://fenigubigona.epizy.com/sqlite_insert_performance.pdfIn PDF document text
    • https://s3.amazonaws.com/gateme/favadef.pdfIn PDF document text
    • http://laxunuwozen.epizy.com/nivirajirexagu.pdfIn PDF document text
    • https://0dc5016f-38c0-4e11-84f4-4717e3ef4ec7.filesusr.com/ugd/4fd84c_834e5bd0fe944147adf5f80352651101.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/kufazete/antero_midstream_partners_lp_annual_report.pdfIn PDF document text
    • https://36fc1fe3-b646-4cc1-b6e9-de51469aea27.filesusr.com/ugd/3eb4bd_51f33c44c9fd4d038566df5f952fb971.pdf?index=trueIn PDF document text
    • http://gujusuvamid.epizy.com/star_trek_film_2017_acteur.pdfIn PDF document text
    • https://s3.amazonaws.com/wukevirenesu/dakidalude.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1829d893-5c0e-426e-aaa9-ff93738d7b4d/plant_physiology_and_biochemistry_bioxbio.pdfIn PDF document text
    • https://ce3a146a-d504-4efb-981c-4593fb85d965.filesusr.com/ugd/5b5da7_e47519723d54497a8050928d51515831.pdf?index=trueIn 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000faac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFAAC 5944 bytes
SHA-256: 68004b8f4c23117052b893b610dff29515d5e2eb02a5d93f49a93e8bce1d84a1
font_01_sfnt_off00010f0b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10F0B 10196 bytes
SHA-256: 082bb3ee4cf7d24971401e7078f136419b2e3f2f5c8fc39b311914d82a17ae65