Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce1e1a09b504391d…

MALICIOUS

PDF

75.8 KB Created: 2021-03-01 08:47:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: cafcb2461c8adfbaa61f3ac6c9c9c422 SHA-1: 5d230a0dd28712d57db1265d4d6df94977f3c653 SHA-256: ce1e1a09b504391d5c36117770cbfc0e73dc796843c361246e7ffac9c2fd3fad
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 0.9998

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://maypoin.ru/wix?keyword=protoss+scouting+guide PDF link annotation
    • http://rent-nout.site/31111652893o0122.pdfIn PDF document text
    • http://juwaniwabi.medianewsonline.com/my_lg_washer_makes_a_loud_noise_when_spinning.pdfIn PDF document text
    • https://vojizozovogimum.weebly.com/uploads/1/3/0/7/130740342/xewew.pdfIn PDF document text
    • http://pakupuxojopef.getenjoyment.net/zejibatesedetaka.pdfIn PDF document text
    • http://vubitim.sportsontheweb.net/escuelas_sistemas_y_corrientes_de_la_psicologa_contempornea.pdfIn PDF document text
    • http://voicebftyi.com/kuwowogefxj7.pdfIn PDF document text
    • http://apparentlyopt.com/godfather_theme_clarinet_sheet_musickfryp.pdfIn PDF document text
    • http://nurokojo.mypressonline.com/the_little_match_girl_disney_review.pdfIn PDF document text
    • http://duwinijuj.mypressonline.com/vidizesumazazad.pdfIn PDF document text
    • https://nelibijejukeli.weebly.com/uploads/1/3/1/4/131437261/paxusesegabup.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/kisimujuk/trig_identities_worksheet_national_5.pdfIn PDF document text
    • https://s3.amazonaws.com/divelatoxa/guided_access_home_button.pdfIn PDF document text
    • https://s3.amazonaws.com/wupiwupiwot/filmywap_movies_2018_free.pdfIn PDF document text
    • http://jawevobafepen.epizy.com/zoxefumerak.pdfIn PDF document text
    • http://wutejaxevewef.myartsonline.com/mipizobigaxomipeduveki.pdfIn PDF document text
    • http://titugol.atwebpages.com/59391419003.pdfIn PDF document text
    • http://titugol.atwebpages.com/judith_butler_notes_towards_a_performative_theory_of_assembly.pdfIn PDF document text
    • https://s3.amazonaws.com/pexodugosa/spotify_premium_free_apk_latest.pdfIn PDF document text
    • http://tuwutexo.onlinewebshop.net/97769346773.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_off0000edda.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDDA 4864 bytes
SHA-256: 42940e9e314ff24c456f3ffe09dd6c4fe765153e4c01745a2e52cf85104a0afa
font_01_sfnt_off0000fe72.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE72 10604 bytes
SHA-256: 1a49a6ba5a9498fc2d925e653906c67446aee9f721f2693828328f6794c660ae

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