Malicious PDF — malware analysis report

Static analysis result for SHA-256 8a00203cf30f0226…

MALICIOUS

PDF

79.1 KB Created: 2021-05-09 08:01:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: d7a8544e56e646bffe3d26d7f88003e4 SHA-1: 221446fbd066ad667ed53da2eb35ccd669b73ab0 SHA-256: 8a00203cf30f0226295b8835f8cef3e4e1e1679f35afc84b75a015bc5d4589f3
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 0.9990

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://xajibur.ru/strik?utm_term=how+much+does+a+1969+shelby+gt500+cost PDF link annotation
    • https://cdn.sqhk.co/mesirunomi/caKjcha/depuleritodinisozov.pdfIn PDF document text
    • http://gexulogoben.sportsontheweb.net/wozafidebuzove.pdfIn PDF document text
    • https://cdn.sqhk.co/motanunika/gebAktn/zara_us_mens_shoes.pdfIn PDF document text
    • http://mofopafilubo.22web.org/how_to_scrum_master_certification.pdfIn PDF document text
    • http://wusumomijo.medianewsonline.com/94800781938.pdfIn PDF document text
    • http://muldwych.com/79671607894nlcau.pdfIn PDF document text
    • http://mrshadow.net/best_pedals_for_peavey_classic_304f919.pdfIn PDF document text
    • https://cdn.sqhk.co/nolovojawek/f5lRohj/41950356535.pdfIn PDF document text
    • http://keepmaxi.space/what_is_symbol_for_gold_on_stock_marketv6iru.pdfIn PDF document text
    • https://cdn.sqhk.co/wafixagi/cXnbdgi/sopozukizuvo.pdfIn PDF document text
    • http://apkweb.net/what_could_be_causing_my_blood_pressure_to_be_high7slzu.pdfIn PDF document text
    • https://cdn.sqhk.co/wifopuzuxiba/ckhg1tA/gusigepipajomige.pdfIn PDF document text
    • http://pobesegu.scienceontheweb.net/canada_visa_form_for_pakistan.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bitibidebizofu.epizy.com/new_wimpy_kid_book_2021.pdfIn PDF document text
    • http://susarapobat.rf.gd/kososabonibumasuleruzu.pdfIn PDF document text
    • https://s3.amazonaws.com/rokuwapesu/kosodidorekinawe.pdfIn PDF document text
    • https://s3.amazonaws.com/jusagi/boundaries_cloud_and_townsend_review.pdfIn PDF document text
    • http://gerekuvuburase.epizy.com/wabeb.pdfIn PDF document text
    • http://pekamidakoj.atwebpages.com/atlas_concorde_marvel_pro.pdfIn PDF document text
    • https://s3.amazonaws.com/taturi/boyce_avenue_cover_sessions_volume_5.pdfIn PDF document text
    • https://s3.amazonaws.com/bevarolimesale/34309726696.pdfIn PDF document text
    • https://s3.amazonaws.com/sulasatevirexo/30634220047.pdfIn PDF document text
    • https://s3.amazonaws.com/midaguvimabof/myers_psychology_for_ap_2nd_edition_citation.pdfIn PDF document text
    • https://s3.amazonaws.com/seriposuj/how_to_replace_delta_faucet_seats_and_springs.pdfIn PDF document text
    • http://fasevebozumip.rf.gd/lakoseguxubuluxanejerot.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_off0000f3a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3A8 6180 bytes
SHA-256: 80264bf18d3f58721355ede84aaa56af7a91d7c011a151026bd292c2fdbe78b0
font_01_sfnt_off00010899.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10899 11112 bytes
SHA-256: 970c897e3576f3c6a7c7c23e55642e10df3d1500dfd72d4e70863272446f7813

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