Malicious PDF — malware analysis report

Static analysis result for SHA-256 5a097deaf55d2bdb…

MALICIOUS

PDF

84.5 KB Created: 2021-05-06 23:24:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: cf03f3dc155e7e235152847323dab1d9 SHA-1: a63d5efde3941a0e14c0d48e9890344704931be5 SHA-256: 5a097deaf55d2bdbc3116117f00aa50e9c64f2c9229026b7f72f476fac8ce6a2
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9993

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://resalured.ru/strik?utm_term=que+es+innovador+segun+autores PDF link annotation
    • http://sivolejujivozul.scienceontheweb.net/life_after_death_book_in_tamil.pdfIn PDF document text
    • http://kodepovorivapi.mygamesonline.org/74668941562.pdfIn PDF document text
    • http://de-bewertung-id2842384.icu/kakagefozxxk70.pdfIn PDF document text
    • http://universityru.fun/what_is_the_significance_of_the_declaration_of_philippine_independence_in_1898oq262.pdfIn PDF document text
    • http://premial.su/derivative_of_inverse_function_calculus759e7.pdfIn PDF document text
    • http://gixitetopes.scienceontheweb.net/allen_carr_lose_weight.pdfIn PDF document text
    • http://varietystore.website/how_do_i_improve_my_mobile_signal_at_homem8jkk.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/fejenijovekozu/axial_and_equatorial_bonds_in_chair_conformation.pdfIn PDF document text
    • https://s3.amazonaws.com/nigimul/fuwofagozaja.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ef63018d-9d2d-4d26-b4e9-8250ea9885c5/lupunirirapuzivuzadigafe.pdfIn PDF document text
    • https://s3.amazonaws.com/jivamubug/toy_defence_td_strategy_mod_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/nakuzafol/medusa_full_movie_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/260b3b25-5f12-4ef2-ab45-8a4db6937ba1/bojoxaxifosati.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/388205e4-629e-41b2-9373-8fa664235bcb/brother_intellifax_2840_not_receiving_faxes.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d27f9014-a1d6-4957-8ec7-d6b1553d068b/pixowuzilumorunudekur.pdfIn PDF document text
    • http://lupixopuvir.onlinewebshop.net/90296091989.pdfIn PDF document text
    • https://s3.amazonaws.com/tosevud/linux_mint_kde_installation_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3e7d6de6-b467-40d9-93fc-8a26bda64e23/2006_dodge_stratus_sxt_sedan_4d.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e0c546a1-bee5-4d48-a8b6-c7126a901642/why_do_i_have_a_spot_on_my_armpit.pdfIn PDF document text
    • https://s3.amazonaws.com/gomakobez/narirukarinusawokat.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f834ebe7-ed49-4cb2-a0ba-594117a0db7e/physicians_desk_reference_free_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e4987256-ba2f-4036-9610-e788e4dc1c91/how_to_remove_lg_ac_cover.pdfIn PDF document text
    • https://s3.amazonaws.com/lewuli/2010_lexus_rx_350_horsepower.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/35d5d11d-0aa5-451b-aee0-36c1a3f50dad/46343034786.pdfIn PDF document text
    • https://s3.amazonaws.com/bidemewufa/how_to_get_grease_off_air_fryer_basket.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000107d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x107D0 5084 bytes
SHA-256: f67e2e16b1e047855bc56e819640c73d65f7b6748e5b44288eed1627e57270d1
font_01_sfnt_off0001192e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1192E 13064 bytes
SHA-256: 89d44248706650ff519361f0ca260ff9c6038ce25406b3eae03c197e301f5c64

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