Malicious PDF — malware analysis report

Static analysis result for SHA-256 7444425dc63e1551…

MALICIOUS

PDF

61.3 KB Created: 2021-04-01 00:25:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 26e6033b8d6530e709bd29d5498f3c82 SHA-1: dac3b20855e31f584050abc959335687d198bf0c SHA-256: 7444425dc63e15512f7536ff298dc3ab210d77675b9568430e6ce9db10b3a41f
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as a malicious PDF by ClamAV and contains numerous embedded URLs, many of which point to disposable domains. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the link farm behavior strongly suggest an attempt to redirect users to malicious sites, likely for credential harvesting or further payload delivery.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4988

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
  • 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
  • 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://crophysi.ru/award?keyword=iowa+state+map+pdf PDF link annotation
    • http://cheapestshop.xyz/transformational_leadership_styles_in_nursingx8xdo.pdfIn PDF document text
    • http://pevewoxoxup.scienceontheweb.net/zifolozikurojoluxifikava.pdfIn PDF document text
    • http://seamanygau.best/how_to_set_time_on_skyscan_atomic_clock_model_86715a12dh.pdfIn PDF document text
    • http://kalukoroduro.mygamesonline.org/gujizilitajevorutudube.pdfIn PDF document text
    • http://pakupuxojopef.getenjoyment.net/fiwumibub.pdfIn PDF document text
    • https://cdn.sqhk.co/vabusowubada/iqiaieV/microsoft_excel_break_even_analysis_template.pdfIn PDF document text
    • http://ludshop.xyz/mipaninolukuvisotb6qbm.pdfIn PDF document text
    • https://cdn.sqhk.co/weruvewo/gh9Qge5/global_information_technology_report_wef.pdfIn PDF document text
    • https://cdn.sqhk.co/genamudazunu/fFjbieH/jujapesefeb.pdfIn PDF document text
    • https://cdn.sqhk.co/bimolixumotu/NviiijZ/jojevu.pdfIn PDF document text
    • https://cdn.sqhk.co/lodabazul/jhajfhi/8465356572.pdfIn PDF document text
    • https://s3.amazonaws.com/fewunadupop/kala_patthar_film.pdfIn PDF document text
    • http://vavadot.onlinewebshop.net/architecture_building_design_process.pdfIn PDF document text
    • http://funurebebepoti.epizy.com/synonym_and_antonym_coloring_sheets.pdfIn PDF document text
    • https://s3.amazonaws.com/ronenitevodo/download_light_novel_danmachi_indo.pdfIn PDF document text
    • http://wufikemofumop.atwebpages.com/duxira.pdfIn PDF document text
    • http://nejoselox.epizy.com/41043967623.pdfIn PDF document text
    • http://mubodadekutaxim.atwebpages.com/pikolemugekanazurakux.pdfIn PDF document text
    • http://jepuxaribizoze.rf.gd/cantilever_slab_reinforcement_details.pdfIn PDF document text
    • https://s3.amazonaws.com/redegelesibif/crossword_answer_for_domesticated_polecat.pdfIn PDF document text
    • http://fijonomun.rf.gd/64924813995.pdfIn PDF document text
    • http://duloduxu.epizy.com/fitted_sheet_fold_with_elastic.pdfIn PDF document text
    • https://s3.amazonaws.com/debiwelof/ceebook_neco_answer_net.pdfIn PDF document text
    • http://bodegifu.atwebpages.com/how_to_replace_heating_element_in_ge_spectra_oven.pdfIn PDF document text

Open this report in the interactive analyzer, or submit your own file for analysis.