Malicious PDF — malware analysis report

Static analysis result for SHA-256 2824d7dd8c30d242…

MALICIOUS

PDF

76.8 KB Created: 2021-03-07 03:54:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8632ee1da914ed306501087da45c2928 SHA-1: 24e521286713b6a1bf1dc93e680a0871f617e165 SHA-256: 2824d7dd8c30d242b59cf9c080e4003cd1bf882646dbd905514112e7b21e327f
96 Risk Score

Malware Insights

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

The PDF contains an embedded URI that redirects to a suspicious domain, likely as part of a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to lead the user to a malicious site, potentially for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9989

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://soxebez.ru/wix?keyword=beyond+the+solar+system+webquest+answers
    • http://vorakumezaxof.mygamesonline.org/with_gods_help_i_can_do_all_things.pdf
    • http://peteferix.mypressonline.com/batejotekawawavusa.pdf
    • https://static.s123-cdn-static.com/uploads/4393506/normal_5fc88fedc0bc5.pdf
    • http://davupopebuwiser.sportsontheweb.net/how_to_analysis_data_in_data_science_vs.pdf
    • http://wavapivanuf.scienceontheweb.net/auvio_pbt500_bluetooth_portable_speaker_manual.pdf
    • http://dusamoka.mywebcommunity.org/judith_butler_gender_trouble_sparknotes.pdf
    • http://najelipopusivut.getenjoyment.net/vevole.pdf
    • http://romigeguwapefi.22web.org/bazevozevetutowokopuk.pdf
    • http://gomesuzos.mypressonline.com/how_to_fix_lg_washer.pdf
    • http://lojapidabud.mypressonline.com/calories_in_medium_caramel_mocha_iced_coffee_dunkin_donuts.pdf
    • https://cdn-cms.f-static.net/uploads/4488346/normal_6010c701ccef6.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://s3.amazonaws.com/gopifu/73238478805.pdf
    • https://s3.amazonaws.com/dobikasukavu/61995668176.pdf
    • https://s3.amazonaws.com/xijuxosisomuna/tubifawagefawak.pdf
    • http://xakagigoneliv.myartsonline.com/89151068508.pdf
    • http://bexobiku.epizy.com/12920341828.pdf
    • https://s3.amazonaws.com/tuxutedi/cricinformer_live_score.pdf
    • http://kepujelibip.epizy.com/akkada_abbai_ikkada_ammayi_naa_songs.pdf
    • http://dudulexo.epizy.com/7297962379.pdf
    • http://liwivudelaje.epizy.com/exercise_in_pregnancy_guidelines_uk.pdf
    • http://tinijev.epizy.com/ford_3.0_v6_weight.pdf
    • http://jebafokar.rf.gd/business_communication_today_14th_edition.pdf
    • http://pokazirajig.rf.gd/46077231.pdf
    • https://s3.amazonaws.com/sefipa/cdc_treatment_guidelines_for_gonorrhea_and_chlamydia.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e171.bin
553e4a298a162787a110cb1d8eb2dd866ec1fd8c3e9f75c5cc493f6c9e316f55		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE171 5408 bytes
font_01_sfnt_off0000f3b1.bin
cd872309f1c3eb026945de055755cb9ec5905ba88d4c346611816fe1cd53399e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF3B1 10492 bytes
font_02_sfnt_off0001178a.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1178A 4324 bytes

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