Malicious PDF — malware analysis report

Static analysis result for SHA-256 47eef82aed232246…

MALICIOUS

PDF

76.5 KB Created: 2021-05-25 00:36:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: f6c991f09747559e36d9aa0ea038c197 SHA-1: d91d3139842774c77e52039dba72d01157dfb297 SHA-256: 47eef82aed2322464c80005a6cd803283314dcc0bf631a2422b20f4de7eebb59
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 0.9996

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://kuzutuzo.ru/strik?utm_term=dymo+letratag+label+maker+not+turning+on PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4450242/normal_6020130a7a609.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4488817/normal_5fff3ef1510e7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369190/normal_600c0ed14f74d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387920/normal_6004592ce4a17.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4472775/normal_600ab6a5812af.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4424991/normal_601bfa6171544.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4530846/normal_5ff25a80e740f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485451/normal_60145d4462a6a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4425009/normal_5fdbc8877fcdd.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368969/normal_6006fb76587f3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412387/normal_6063a977b9405.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4406501/normal_602a77cd4308f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4414847/normal_5fe453d9f38f0.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/kefodek/who_gives_this_woman_away_to_be_married.pdfIn PDF document text
    • https://s3.amazonaws.com/wolina/97004367440.pdfIn PDF document text
    • https://s3.amazonaws.com/xisefowu/kamugudatatajabedot.pdfIn PDF document text
    • https://s3.amazonaws.com/sazixipame/82097707662.pdfIn PDF document text
    • https://s3.amazonaws.com/gixawetopoli/the_princess_diaries_volume_3_free_download.pdfIn PDF document text
    • https://s3.amazonaws.com/faluzotixupi/9015533292.pdfIn PDF document text
    • https://s3.amazonaws.com/tozaduliwubega/fulugar.pdfIn PDF document text
    • https://s3.amazonaws.com/tarizirefevifab/amcor_portable_air_conditioner_kf9000e_parts.pdfIn PDF document text
    • https://s3.amazonaws.com/tinivukedeta/5912708909.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_off0000ee24.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE24 5132 bytes
SHA-256: 7166875691338c5a9a2a2aa1e102c8047fa72a08212c3a24dc1f46e4110ebc7b
font_01_sfnt_off0000ff9e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF9E 10836 bytes
SHA-256: b98de810d18048e8dccc8e5aba88967f8bb140e751ad47724e24d4efa2c0b902

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