Malicious PDF — malware analysis report

Static analysis result for SHA-256 b008c108c26d4d15…

MALICIOUS

PDF

72.9 KB Created: 2021-02-28 03:29:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: a8f50f1ef67afbdb619b935007bf4ce2 SHA-1: e5faeeaca5fc185e350eb0f8d07517d59ed07f98 SHA-256: b008c108c26d4d156153146b3a761d98174e24a4d6a18a32540d1d5c98c747dc
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://xezojetit.ru/123?utm_term=towers+of+midnight+audiobook+free+download PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4490961/normal_600df8eeb217f.pdfIn PDF document text
    • http://lamakexo.scienceontheweb.net/robefepipizumalozakokived.pdfIn PDF document text
    • http://rocketdocs.us/space_armor_2_mod_apk_android_12aclv.pdfIn PDF document text
    • http://gayerkan.com/29445524687dz52v.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4495059/normal_602aeb16536a6.pdfIn PDF document text
    • http://lnstagrambusiness.com/gipajukudinax4kf6z.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4483361/normal_5ff7cfd1168b0.pdfIn PDF document text
    • https://cdn.sqhk.co/soxuvezosapa/rgficge/daxaruwusenisagemuwedawu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4389376/normal_5fffff854fe59.pdfIn PDF document text
    • http://saxobupazes.sportsontheweb.net/how_old_are_the_riveras.pdfIn PDF document text
    • http://zoosalon.org/salems_lot_2004_online_subtitrat5roy4.pdfIn PDF document text
    • http://nogurufegu.mygamesonline.org/35219297795.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/lomiwexuva/pujosafen.pdfIn PDF document text
    • https://s3.amazonaws.com/ravuxudibure/dont_say_alvida_whatsapp_status_video.pdfIn PDF document text
    • https://s3.amazonaws.com/piwanisaj/78445085922.pdfIn PDF document text
    • https://s3.amazonaws.com/domegagowevag/michigan_child_support_card_phone_number.pdfIn PDF document text
    • https://s3.amazonaws.com/levovod/examen_ser_bachiller_banco_de_preguntas.pdfIn PDF document text
    • https://s3.amazonaws.com/padosumifubobo/ielts_academic_writing_practice_test_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/gavexilatuvitaz/kapacitor_alert_message_template.pdfIn PDF document text
    • https://s3.amazonaws.com/paxuvagal/vudujinazevofawebakisov.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e09c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE09C 5568 bytes
SHA-256: 0ee2608d9ce4620f17f0974db55a8d5414dbc8ef4aba4e27a2142c1e5ebcd683
font_01_sfnt_off0000f36e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF36E 10232 bytes
SHA-256: 9d21c8b8c03f3ffadedbfdb1a2798a0f0229e5494009ab9ab5452fa63caceacf

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