Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a527caa286f0f12…

MALICIOUS

PDF

95.6 KB Created: 2021-03-28 06:20:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-23
MD5: 7ffa506d1f8e8a4794d2cca343d4a0ce SHA-1: 7dde563e2c612113c39a9af4ff73cebb3e9965c6 SHA-256: 9a527caa286f0f12e861c9391cad3aa4a4e1255c448dbfbcba6fd1ffa1dd1f49
96 Risk Score

Malware Insights

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

The file is identified as malicious by ML classification and ClamAV, with a high risk score. It contains embedded URLs pointing to external resources, suggesting an attempt to redirect the user to a malicious site or download further payloads. The document body, though partially corrupted, indicates a lure related to 'Mitología griega dioses y semidioses pdf', likely to entice users to click on the malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://fokemale.ru/strik?utm_term=mitolog%25C3%25ADa+griega+dioses+y+semidioses+pdf PDF link annotation
    • http://lebedugipul.mywebcommunity.org/curtain_wall_installation_method.pdfIn PDF document text
    • http://bazis-rostov.com/tony_hawk_s_skate_jam_apk5ei2f.pdfIn PDF document text
    • http://vereffka.xyz/regawewofuvi0m7.pdfIn PDF document text
    • http://www-sfr-fr-monespace.com/80s_movie_quotes_trivia_questions_and_answerswgg5k.pdfIn PDF document text
    • http://salopkisa.website/take_a_little_wine_bible_versea723f.pdfIn PDF document text
    • http://lnstagramverificationbadge.com/pakistani_movies_in_hd_websiteswqvo2.pdfIn PDF document text
    • https://cdn.sqhk.co/mawejoxejobe/hhftBhb/icy_veins_disc_priest_classic.pdfIn PDF document text
    • http://istra-backwater.ru/agatha_christies_poirot_season_13_episode_5d4r5u.pdfIn PDF document text
    • http://kipokefurur.mygamesonline.org/a_canadian_writers_reference_7th_edition_by_diana_hacker_and_nancy_sommers.pdfIn PDF document text
    • http://rumafelaneli.mygamesonline.org/holistic_theory_of_development_steiner.pdfIn PDF document text
    • http://gifagudilul.mypressonline.com/powershot_5700m_staples.pdfIn PDF document text
    • http://goladelexugezi.sportsontheweb.net/exxaro_bursary_application_form_2020.pdfIn PDF document text
    • http://vaxisezawoged.scienceontheweb.net/antecedentes_historicos_de_la_fisica.pdfIn PDF document text
    • https://cdn.sqhk.co/fupupusamun/g3geohd/gofamuveraravefasavesazev.pdfIn PDF document text
    • http://safijejog.mygamesonline.org/zotidixu.pdfIn PDF document text
    • http://lnstagram-copyright-confirms.com/53167837645d9hdq.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/vekodupiwarobi/ignou_date_sheet_dec_2019_mps.pdfIn PDF document text
    • https://s3.amazonaws.com/bokelur/sony_hxr-nx200_nxcam_4k.pdfIn PDF document text
    • https://s3.amazonaws.com/pusolefosex/6845400385.pdfIn PDF document text
    • https://s3.amazonaws.com/patotale/93560022505.pdfIn PDF document text
    • https://s3.amazonaws.com/xukonakefules/ruriponitozadax.pdfIn PDF document text
    • http://sidepojedava.myartsonline.com/dell_latitude_e6410_keyboard_status_lights.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_off00013616.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13616 5520 bytes
SHA-256: 1a321ba989314c7b63630b8294d391e11dff2a46de02c4d291106f535dc6bf06
font_01_sfnt_off000148e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x148E2 11804 bytes
SHA-256: febc31a5a93db358ff1b539641c00f96a45efa278154532b011f98a814c16f7e

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