Malicious PDF — malware analysis report

Static analysis result for SHA-256 f04d34c7bb434372…

MALICIOUS

PDF

70.6 KB Created: 2021-02-24 03:06:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 88c0e2be30b091307191f737f9b3a8f8 SHA-1: 5d433d4b3923e5da0c3baadcc3a61adca1ffa6ff SHA-256: f04d34c7bb4343723e812543c843d52da2a34aaf5fd40a63b434c6647d191679
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 0.9998

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://jottigo.ru/strik?utm_term=tp-link+hs100+smart+plug+setup PDF link annotation
    • http://chaptejvxz.fun/27720587111gb0qg.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4486743/normal_5feb0509abf74.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4491669/normal_5fd0dab1204cd.pdfIn PDF document text
    • http://islemleriniz.org/surah_mulk_with_hindi_translationlkvar.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379720/normal_6030f8fd4156f.pdfIn PDF document text
    • https://cdn.sqhk.co/kajutizikodu/4gchgIN/whisper_of_the_heart_vs_the_cat_returns.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413239/normal_6004cceca930d.pdfIn PDF document text
    • https://cdn.sqhk.co/nobixapo/ijijiei/gamefly_ps5_deal.pdfIn PDF document text
    • http://alania365.ru/bafg_antrag_formblatt_1lql2c.pdfIn PDF document text
    • https://cdn.sqhk.co/ravuviwidi/5jaiawj/agent_orange_band_website.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379035/normal_5fd19b0338419.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/jiwisi/79933566584.pdfIn PDF document text
    • https://s3.amazonaws.com/supefujoxopubu/ligegukikuzilowo.pdfIn PDF document text
    • https://s3.amazonaws.com/xukirizugukugi/como_identificar_a_un_lider.pdfIn PDF document text
    • https://s3.amazonaws.com/migivewuwe/lezugunufomum.pdfIn PDF document text
    • https://s3.amazonaws.com/xuvamuba/drivers_ed_unit_2_test_study_guide.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_off0000d693.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD693 5472 bytes
SHA-256: 8eb8ab483d9dc20917ddbe70bf8fe438a66bbd439c88fc6cd238f68217f7b5ea
font_01_sfnt_off0000e910.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE910 10680 bytes
SHA-256: 0b3f74bac95b693c7aca86c55f39eed1eab4d450e5e26571bd81c8d2de699a64

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