Malicious PDF — malware analysis report

Static analysis result for SHA-256 df7605765b76a189…

MALICIOUS

PDF

75.7 KB Created: 2021-03-25 02:46:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: b5a0fa4c1b3f812cf1debb8b8d9e78a5 SHA-1: 58fafc362482977c3b6d3af66fd8afbd5cf0f719 SHA-256: df7605765b76a189e17c4a3c29227b8acfe04d995a97c5f18f763e619bda5a19
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 0.9996

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://nipisod.ru/wix?keyword=text+from+unknown+message+not+found+iphone PDF link annotation
    • http://nurigoluda.mygamesonline.org/pojevodisijuk.pdfIn PDF document text
    • http://korogesubelokut.mypressonline.com/bowafogusufi.pdfIn PDF document text
    • http://kagaromorin.medianewsonline.com/ethical_considerations_in_quantitative_research.pdfIn PDF document text
    • http://sozaxesugoj.mywebcommunity.org/revudozanaxejo.pdfIn PDF document text
    • https://cdn.sqhk.co/suzironanes/d0jgphf/50108560554.pdfIn PDF document text
    • https://cdn.sqhk.co/dugixikisim/jiIAEQm/wakusesetolukewidof.pdfIn PDF document text
    • http://madoxorijegobe.sportsontheweb.net/how_to_log_out_of_netflix_on_sky_q_box.pdfIn PDF document text
    • https://cdn.sqhk.co/fuwegamuvev/lXZYGnr/banjara_song_bhajan.pdfIn PDF document text
    • https://cdn.sqhk.co/tamejenonisi/icmlgeI/julanowubapirivodoxuriruz.pdfIn PDF document text
    • https://cdn.sqhk.co/parabeset/edTahfT/alkahraba_app_store_download.pdfIn PDF document text
    • https://cdn.sqhk.co/guzoladip/lIsH9ii/everything_for_one_dollar_store_near_me.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/fewunadupop/what_is_breathwork_good_for.pdfIn PDF document text
    • https://s3.amazonaws.com/zubata/internship_experience_certificate_template.pdfIn PDF document text
    • http://kibagog.onlinewebshop.net/81361225178.pdfIn PDF document text
    • https://s3.amazonaws.com/tuzamada/nusulujesatobimuvodin.pdfIn PDF document text
    • https://s3.amazonaws.com/jozaponi/avantage_comparatif_dfinition.pdfIn PDF document text
    • https://s3.amazonaws.com/wusone/febuwosevota.pdfIn PDF document text
    • https://s3.amazonaws.com/dobesogum/zuzawopare.pdfIn PDF document text
    • https://s3.amazonaws.com/murudute/cinema_hd_movie_for_pc.pdfIn PDF document text
    • https://s3.amazonaws.com/zuponefi/xatuwakef.pdfIn PDF document text
    • https://s3.amazonaws.com/tiduro/jurafomoviroriv.pdfIn PDF document text
    • https://s3.amazonaws.com/vovuzize/95245748832.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_off0000e897.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE897 5596 bytes
SHA-256: 4059ab95d700bbc413a6c92bfbe1ff47f633c36dc283b2ad2beabb57b7ea35fe
font_01_sfnt_off0000fb95.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB95 10572 bytes
SHA-256: 94ba53ad7a3a8bf2af5e4467adde44641569eab9023bc5433f3719027639c825

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