Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ce7196b6fcc1530…

MALICIOUS

PDF

69.4 KB Created: 2021-02-27 03:36:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16
MD5: c24d357814f7a0064ebfd9b8d90f3b34 SHA-1: 6532c009945a5e9a768ca4e7880ab1876563802e SHA-256: 0ce7196b6fcc1530696b5f7db32926225003aeab44f0b39aac57a1e5639db3f2
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document flagged as malicious by ClamAV and an ML classifier. It contains an embedded URI pointing to a suspicious domain, likely intended for phishing or malware distribution. The document body, though heavily obfuscated, contains text related to a 'puppy swing fisher price' which may be a lure. No scripts were extracted, but the presence of external URIs suggests an attempt to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://gimoguvi.ru/123?utm_term=puppy+swing+fisher+price PDF link annotation
    • http://jalazekesofijot.medianewsonline.com/behringer_inuke_nu4-6000_amplifier.pdfIn PDF document text
    • http://item-get.top/310303647161mssz.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4462982/normal_5ff7705ed5c8e.pdfIn PDF document text
    • http://bapaweki.22web.org/automatic_identification_and_data_capture.pdfIn PDF document text
    • http://cookwellbakewell.com/bafolasavodenio7z.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/wajufifenoxuj/whatsapp_messenger_for_pc_softonic.pdfIn PDF document text
    • https://s3.amazonaws.com/loxopudizus/30246067104.pdfIn PDF document text
    • https://s3.amazonaws.com/kotenu/mp4_alda_risma_aku_tak_biasa.pdfIn PDF document text
    • https://s3.amazonaws.com/makixibawumebol/ebay_description_html_template_free.pdfIn PDF document text
    • https://s3.amazonaws.com/wibadinavosunom/sudiwikok.pdfIn PDF document text
    • https://s3.amazonaws.com/jinabisura/fuvakevatukumet.pdfIn PDF document text
    • http://mubomapobe.epizy.com/59574418874.pdfIn PDF document text
    • http://kozifina.epizy.com/bowulerapamexijasodivuzev.pdfIn PDF document text
    • https://s3.amazonaws.com/mokamoba/atomic_blonde_movie.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_off0000d0e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD0E6 5228 bytes
SHA-256: 29de2c844c9ecd11399d99f30167ede4453d9a6c03c223ff4cceabfad407b50a
font_01_sfnt_off0000e2d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2D4 10852 bytes
SHA-256: beb39fea81ffa9d1c205a5d914c7b0a14934a1a7c426e6cc5f48cf9806da0171

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