Malicious PDF — malware analysis report

Static analysis result for SHA-256 49434e1158353d91…

MALICIOUS

PDF

71.3 KB Created: 2021-02-27 05:05:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 35aad1c64584cf6c4490342ac1683ce6 SHA-1: b129b5589fdc2747354c7b4978e82b1b9035db85 SHA-256: 49434e1158353d91d3c26acf38683d127940215ad75483db11a4f66131cc24fe
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://resalured.ru/award?keyword=jumpsuit+pattern+womens PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4366384/normal_5fd7ba5adb749.pdfIn PDF document text
    • http://wiinorama.space/gamabevrc3az.pdfIn PDF document text
    • http://xokewekababawa.22web.org/tupajenut.pdfIn PDF document text
    • https://cdn.sqhk.co/nupumusu/KMUqTjj/iphone_11_ios_13_wallpaper_hd.pdfIn PDF document text
    • http://sfhgfje5df.xyz/665502196865s243.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4444877/normal_5feba6a9c94be.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4476782/normal_601493222c555.pdfIn PDF document text
    • http://loduwij.scienceontheweb.net/beats_solo_2_wireless_headphones_amazon.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4447460/normal_5fedfeae7fa30.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4407064/normal_5ff757412350a.pdfIn PDF document text
    • https://cdn.sqhk.co/bisegepamitu/gjibXAA/lords_mobile_online_calculator.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402000/normal_60212a6299786.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383679/normal_600c032adf9a3.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://sulorowanutabu.atwebpages.com/zizalafepirekevimolopi.pdfIn PDF document text
    • http://detotoga.epizy.com/lion-webelos_cub_scout_book.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_off0000da47.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA47 5016 bytes
SHA-256: 7dd94d359ddb7f3dfeca5fd2c6e6309738ea9f54b54f5e0a42d8b20af9f11497
font_01_sfnt_off0000eb4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB4B 11264 bytes
SHA-256: 2e876f92bd99677fbad62e58f14a1adee09a67835cf207319cf4e13548ff5b1a