Malicious PDF — malware analysis report

Static analysis result for SHA-256 08eed906283440aa…

MALICIOUS

PDF

70.5 KB Created: 2021-03-09 13:03:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-23
MD5: 1122b1a8b00a31fc5528e560240810b6 SHA-1: d62c0bc46ecf0cc452f3ab0a381fdd87d536e661 SHA-256: 08eed906283440aa119cbbcec167011d55a49910adc6a9d439f83c56fb771b37
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing trojan. The embedded URL and document body suggest a lure for downloading software, which is a common phishing tactic. No scripts were extracted, but the PDF structure and embedded URI indicate a malicious intent to redirect the user to a potentially harmful site.

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://ponafet.ru/123?utm_term=java+jdk+1.+7+offline PDF link annotation
    • http://zixudivibudizu.scienceontheweb.net/zodumuxuvevugoral.pdfIn PDF document text
    • https://cdn.sqhk.co/zarejesorufo/Gwgh0gA/jafagubolulokogu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4415331/normal_601f0fa38736d.pdfIn PDF document text
    • http://kafofal.mygamesonline.org/91401981348.pdfIn PDF document text
    • https://cdn.sqhk.co/tiwefuxab/Phjjchd/nenazovulur.pdfIn PDF document text
    • http://nakotigolajeg.scienceontheweb.net/sony_hdr-cx240e_memory_card.pdfIn PDF document text
    • http://tipatav.22web.org/donone.pdfIn PDF document text
    • https://cdn.sqhk.co/nofevemumidu/gf2he4r/piano_keys_chart_for_beginners_printable.pdfIn PDF document text
    • http://mebovaduzi.mywebcommunity.org/72992002700.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454971/normal_60150dcbbafcb.pdfIn PDF document text
    • http://fijexojor.getenjoyment.net/73633670330.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jidufatasakameg.epizy.com/how_to_reset_sanyo_tv_without_remote.pdfIn PDF document text
    • https://s3.amazonaws.com/lazolu/38305326124.pdfIn PDF document text
    • https://93655b3f-791c-4b17-adcc-ca91401ac088.filesusr.com/ugd/99b222_30f3286bd14040bfb00e87b4dd07533a.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/zalomi/alternating_current_class_12_ncert_notes.pdfIn PDF document text
    • https://s3.amazonaws.com/xurixado/dunlap_tn_arrest_reports.pdfIn PDF document text
    • http://mivoxonewume.rf.gd/english_spanish_frequency_dictionary.pdfIn PDF document text
    • https://s3.amazonaws.com/bisute/gradebook_template_for_teachers.pdfIn PDF document text
    • https://64f1e6a9-4530-4009-9f9b-67b91dd69f79.filesusr.com/ugd/76b6de_d6ff937b9b2d49558590095ad2fdc405.pdf?index=trueIn PDF document text
    • https://85fc0914-20e3-4f1c-be8c-de7e6f89f47e.filesusr.com/ugd/a44510_537b66cb79fc44a0a9c41a8275aa6846.pdf?index=trueIn PDF document text
    • http://dojeranorered.epizy.com/piya_basanti_song_mr_jatt.pdfIn PDF document text
    • http://pokezuturev.rf.gd/13788923029.pdfIn PDF document text
    • https://d497f082-4895-42de-a72c-038d9367c8a3.filesusr.com/ugd/8e727b_c9e76edd4d9a433da9a78caba28b79a8.pdf?index=trueIn 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_off0000d917.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD917 4980 bytes
SHA-256: eb772b9dadf2ad388a4944c25083fa1f9b090a45f4244834a6ea884babdd2732
font_01_sfnt_off0000ea4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA4C 10024 bytes
SHA-256: 9a953f3c9b65286ceb65d9f70ec624c85037f083f67485558743091e84c0e65d

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