Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba4fe32cfc12dfd1…

MALICIOUS

PDF

77.0 KB Created: 2021-02-14 08:47:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c20a6b10f5de5956a58c087d001348b5 SHA-1: b2f8a3c73efc4e1549acaae7e643d72ff4b641bc SHA-256: ba4fe32cfc12dfd1ef4db6027f831526858316ff91b1f7049a896a0b5303725f
96 Risk Score

Malware Insights

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

The PDF contains an embedded URI pointing to a suspicious domain, likely intended to phish user credentials or deliver a payload. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest a phishing or malware delivery attempt.

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://bologen.ru/wix?keyword=ipod+bluetooth+adapter+best+buy
    • http://technodom11.com/drive_in_movie_theater_los_angeles_tenetfvpq6.pdf
    • https://cdn-cms.f-static.net/uploads/4460473/normal_601ca1e7d3ccc.pdf
    • https://joletumutete.weebly.com/uploads/1/3/4/8/134871701/163017e.pdf
    • https://nokabukewodujam.weebly.com/uploads/1/3/0/9/130969525/7492957.pdf
    • http://a-trvl.ru/adenitis_mesenterica_elsevierplmj1.pdf
    • http://tehnikator.ru/82172472747v1xqt.pdf
    • http://superheatbelt.xyz/music_terms_and_symbols_worksheetu0hcb.pdf
    • https://static.s123-cdn-static.com/uploads/4486041/normal_5ff228fa90eb7.pdf
    • http://tixshopclub.fun/free_genogram_template_microsoft_wordk0zor.pdf
    • http://akfb.online/centurion_magazine7cb7k.pdf
    • https://static.s123-cdn-static.com/uploads/4447631/normal_5fe2daf0a894e.pdf
    • https://cdn-cms.f-static.net/uploads/4459328/normal_6022ec4f0b618.pdf
    • http://xepezugabiposa.22web.org/adobe_photoshop_free_trial_for_pc.pdf
    • https://static.s123-cdn-static.com/uploads/4419225/normal_6007d553796b7.pdf
    • http://maewallace.com/notasibabowuronuvowoji6722.pdf
    • https://zijolafazul.weebly.com/uploads/1/3/0/8/130873795/941905.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://bujavajivedejin.rf.gd/vuzadalalerogaxegu.pdf
    • http://novosumagib.epizy.com/19707091217.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f024.bin
f99654e805b68b2a4508b4462f0280f45d6267e0f178604f0936d9f7b35f3542		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF024 5224 bytes
font_01_sfnt_off000101d9.bin
155d8d4b7010f98e8632fb56cf6b678fa199bc4ee19493c437897d7689040a60		 pdf-font-stream PDF embedded font (sfnt) at offset 0x101D9 10864 bytes

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