Malicious PDF — malware analysis report

Static analysis result for SHA-256 aedd1e714c317253…

MALICIOUS

PDF

70.5 KB Created: 2021-02-16 18:47:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 5f14a060607b51d3ee859335987eb747 SHA-1: 99fe7eafa815619ac43c88542239e6ab4bf279f0 SHA-256: aedd1e714c317253b3460dea1e9d9ab579781ba931aa70df57d36932a28278d5
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • 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 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=stolen+summer+anne+mather+pdf PDF link annotation
    • https://suvewuvasalu.weebly.com/uploads/1/3/4/7/134762181/judakusoropuwoper.pdfIn PDF document text
    • http://abwaab.su/749061245543fivy.pdfIn PDF document text
    • https://lumejukotexute.weebly.com/uploads/1/3/1/1/131163930/4837043.pdfIn PDF document text
    • http://topstop.site/history_of_japanese_architecture7e3ri.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4493876/normal_6020817511e12.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450870/normal_6019d6cd0d9c2.pdfIn PDF document text
    • https://jekudadej.weebly.com/uploads/1/3/5/3/135301654/gowifukonawivenujisi.pdfIn PDF document text
    • http://muzoc.xyz/songs_justin_bieberapfei.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4407781/normal_5fe487a04b868.pdfIn PDF document text
    • http://fruktovik.com/10174019647viiut.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4495399/normal_5fdc7ee66e3e9.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zujuxeropide.rf.gd/17407694270.pdfIn PDF document text
    • https://s3.amazonaws.com/xamapebonijos/sowitoburegodomivetovotuz.pdfIn PDF document text
    • http://bexufomadixin.rf.gd/20285381297.pdfIn PDF document text
    • https://s3.amazonaws.com/welanisowari/31602504499.pdfIn PDF document text
    • http://lopumupukerodu.epizy.com/vegetable_spring_rolls_nutrition_information.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_off0000d8ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8AD 5384 bytes
SHA-256: 475c1014855d22ad07b66893f9cd6d3675716ec937847d61b70e8fab394cffeb
font_01_sfnt_off0000eacd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEACD 10024 bytes
SHA-256: 634ec839dd584bbae20024b17b2811776f9ff08c41faa74c9e3779c58b95f092