Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff073670a58e32b8…

MALICIOUS

PDF

179.9 KB Created: 2021-03-26 08:23:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 0739c8c695f3056361ec9399f6970cda SHA-1: 390023f3c5d918867d7a09d19e42d63b3def587f SHA-256: ff073670a58e32b81404d509b8889b0a6c27e43a9dbd9676e6771e683680e2ca
96 Risk Score

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 0.9952

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://dafemum.ru/wix?keyword=giraffe+omnibed+service+manual PDF link annotation
    • http://joweponula.mywebcommunity.org/87511051243.pdfIn PDF document text
    • http://loduwij.scienceontheweb.net/54746274149.pdfIn PDF document text
    • http://vosojivaru.mypressonline.com/63865392735.pdfIn PDF document text
    • http://zopesozali.mypressonline.com/corporations_act_2020.pdfIn PDF document text
    • http://kigirifaduguv.getenjoyment.net/17115999056.pdfIn PDF document text
    • http://mizejodaf.mywebcommunity.org/reruwadesiragodemexogapop.pdfIn PDF document text
    • http://zaxiluxedexu.getenjoyment.net/tipos_de_aditivos_alimentares.pdfIn PDF document text
    • http://guzolupe.iblogger.org/guzokuvegodozepa.pdfIn PDF document text
    • http://xefawojuj.mygamesonline.org/lumoginaxopamo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://rurebafib.onlinewebshop.net/benefejusifa.pdfIn PDF document text
    • https://s3.amazonaws.com/jotizifime/78740860576.pdfIn PDF document text
    • https://s3.amazonaws.com/putelekireza/basic_dungeons_and_dragons_character_classes.pdfIn PDF document text
    • http://kipazafar.atwebpages.com/attestation_de_formation_professionnelle.pdfIn PDF document text
    • http://wodowepakimeko.onlinewebshop.net/indesign_smaller_size.pdfIn PDF document text
    • http://bidavavaxekize.epizy.com/podidi.pdfIn PDF document text
    • https://s3.amazonaws.com/wewuxuviwar/renaissance_writers_crossword_puzzle_answers.pdfIn PDF document text
    • http://pitigapevede.onlinewebshop.net/60155677051.pdfIn PDF document text
    • http://xovolefewawex.atwebpages.com/foxaturesuteselewogev.pdfIn PDF document text
    • https://s3.amazonaws.com/bufexa/newspaper_report_writing_for_class_8.pdfIn PDF document text
    • https://s3.amazonaws.com/bisazabe/januvibidutusekifujup.pdfIn PDF document text
    • https://s3.amazonaws.com/minabiwa/advanced_language_practice_with_key_2009.pdfIn PDF document text
    • https://s3.amazonaws.com/wegugus/one_piece_dance_battle_apk_english.pdfIn PDF document text
    • https://s3.amazonaws.com/mubefula/87312529892.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00018acb.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x18ACB 69360 bytes
SHA-256: 428b6236519379c07db88d0c5085bcb8f52482311b290ef8c70f51522d8c830f
font_01_sfnt_off000259d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x259D0 5200 bytes
SHA-256: 864e33f9b6411c5f0e76fdfa5da8d1fed982d99978963c945ff5285ce934b2f8
font_02_sfnt_off00026b64.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x26B64 29848 bytes
SHA-256: 0cc0d11835b8b62e5f60ea9ee5e8baca60d4ff28dde6fdefc432b6850abfbde7
font_03_sfnt_off0002b374.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2B374 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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