Malicious PDF — malware analysis report

Static analysis result for SHA-256 adce4e3773872847…

MALICIOUS

PDF

76.9 KB Created: 2021-02-27 15:43:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: f858f66e56b56186976fcd7eac122bda SHA-1: 4d06bb4c06c276da9814c5e8637b8a2361ca5f4c SHA-256: adce4e3773872847643d7f0306399ee1a98c2e1f4e679b821fd74ad1e5f02975
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 0.9999

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://fokemale.ru/wix?keyword=modern+chemistry+textbook+chapter+8+review+answers PDF link annotation
    • http://bisibometixo.mywebcommunity.org/a.m._best_homeowners_insurance_company_ratings.pdfIn PDF document text
    • https://cdn.sqhk.co/zabitokepum/jdgdpYs/free_calls_international_phone_calling_app_download.pdfIn PDF document text
    • http://jinevul.mygamesonline.org/rodivegixaxajomodewa.pdfIn PDF document text
    • https://baxopaparoxiw.weebly.com/uploads/1/3/1/4/131454316/1020265.pdfIn PDF document text
    • https://pijolonaponezu.weebly.com/uploads/1/3/4/8/134879261/a1731c609a369.pdfIn PDF document text
    • https://tabogivazosepa.weebly.com/uploads/1/3/1/8/131871767/f74d45c61f59.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446016/normal_6002963e65800.pdfIn PDF document text
    • https://cdn.sqhk.co/zinoliwomi/jbgegdO/paycell_kart_limiti.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4477864/normal_60229c1adc6df.pdfIn PDF document text
    • https://xovesoxak.weebly.com/uploads/1/3/0/8/130813458/6394318.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4464995/normal_5ff458a33e5bd.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/ladiwuzetawedi/cielab_color_difference_calculator.pdfIn PDF document text
    • https://s3.amazonaws.com/ritoma/keronaxebedim.pdfIn PDF document text
    • http://zitulogakapede.myartsonline.com/mantis_garden_tillers_for_sale.pdfIn PDF document text
    • https://s3.amazonaws.com/risalenefazozo/vadaravorusefumado.pdfIn PDF document text
    • http://gafodix.myartsonline.com/xinisojusakomagotolugo.pdfIn PDF document text
    • https://s3.amazonaws.com/winumigutam/blk_hospital_delhi_online_report.pdfIn PDF document text
    • http://megigezorozo.atwebpages.com/ginamalemodotowugulewa.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_off0000e9e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE9E3 6004 bytes
SHA-256: ab5ee0b3507d7b5c9b3d273bafd0b1ec6da5eb0327b688c2747de8f32f4243c7
font_01_sfnt_off0000fe4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE4B 11108 bytes
SHA-256: 5160b69a16f15fe128107662ff78d38cc7a9f4e20b173cfac05d8a37154ed0c9

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