Malicious PDF — malware analysis report

Static analysis result for SHA-256 038ed604db1cb881…

MALICIOUS

PDF

72.6 KB Created: 2021-03-03 13:50:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 92c194a8f1aec51de0a5585b6f39c646 SHA-1: 511673344b72911032b41909ca61eeaaafd8b1d6 SHA-256: 038ed604db1cb881e6440995ebd32b9ebbaef58d8b472a89af5601efead95f46
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://seumenha.ru/wix?keyword=sim+girl+7.0+guide PDF link annotation
    • https://gebonevoduxap.weebly.com/uploads/1/3/1/6/131606392/4058444.pdfIn PDF document text
    • http://nemosixumeki.mypressonline.com/32484105016.pdfIn PDF document text
    • https://wepizowo.weebly.com/uploads/1/3/0/8/130813330/piduvixojiguwog.pdfIn PDF document text
    • https://cdn.sqhk.co/pemenodisoda/hehjuzQ/latest_software_update_on_ipad_mini.pdfIn PDF document text
    • https://gamuzajebi.weebly.com/uploads/1/3/4/4/134481120/c5e3e05c03178.pdfIn PDF document text
    • https://boziwukajolefix.weebly.com/uploads/1/3/2/7/132711983/621ce0f960f944f.pdfIn PDF document text
    • https://zexuboru.weebly.com/uploads/1/3/2/6/132683252/3505083.pdfIn PDF document text
    • https://gixisisopovi.weebly.com/uploads/1/3/4/7/134713576/8476020.pdfIn PDF document text
    • http://supariwepexafat.mywebcommunity.org/97662580884.pdfIn PDF document text
    • https://mufaguzesevulet.weebly.com/uploads/1/3/2/8/132814956/7475521.pdfIn PDF document text
    • https://poxofosu.weebly.com/uploads/1/3/4/3/134308827/5646e9d27c9.pdfIn PDF document text
    • https://tigidejuremu.weebly.com/uploads/1/3/4/5/134502839/1537677.pdfIn PDF document text
    • https://wuxinaruniluxod.weebly.com/uploads/1/3/4/8/134882591/8177391.pdfIn PDF document text
    • https://dolunejasuvufa.weebly.com/uploads/1/3/0/7/130776008/wuvajuvo.pdfIn PDF document text
    • https://veburuja.weebly.com/uploads/1/3/0/7/130739173/zomebe.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jigisasamupor.onlinewebshop.net/cuanto_es_30_gramos_en_cucharadas_de_avena.pdfIn PDF document text
    • http://dolanuvusipegu.myartsonline.com/how_do_i_change_the_time_on_vivofit_3.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_off0000e17d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE17D 5116 bytes
SHA-256: b554ed20d40b05220c72a72adfd95d99c38186f9c9c1d19261ecb74aa5877b5f
font_01_sfnt_off0000f2dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2DC 10116 bytes
SHA-256: 6d4c38fa12140345ce8bde0b670bd985a77f807bc927d405f8f818ee6e759bfe

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