Malicious PDF — malware analysis report

Static analysis result for SHA-256 732be160b01da9bd…

MALICIOUS

PDF

71.5 KB Created: 2021-01-19 06:23:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 1f02b4284d5ab1cab969ceb9f0bb93d6 SHA-1: ca40159414702354db46e576782650006b80cc75 SHA-256: 732be160b01da9bd77e948d72139b29c952d867ac605a49c537ef5d4ec29d0c4
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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/wb?keyword=bet%20account%20management PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4424043/normal_600089c21d290.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417658/normal_5fd8244e21216.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4505687/normal_5fdedb71d5eb7.pdfIn PDF document text
    • https://cdn.sqhk.co/dixejetafap/Y3UmjbK/11959299289.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4449984/normal_5ff7598e24b82.pdfIn PDF document text
    • https://cdn.sqhk.co/keliziniw/jcge2Wk/25873300056.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369914/normal_5f8d92b5d1722.pdfIn PDF document text
    • https://cdn.sqhk.co/belerudoxej/QkghhgB/54265594980.pdfIn PDF document text
    • https://cdn.sqhk.co/loxowopiv/59lDLjj/septic_tanks_for_sale_near_me.pdfIn PDF document text
    • https://cdn.sqhk.co/letinumi/7yt0YgC/forest_hd_wallpapers_4k_hulk.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/genedonapubefe/rogavaxawobi.pdfIn PDF document text
    • https://s3.amazonaws.com/kumasala/platform_defence_mod_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/jamokaroxoj/gazagilexomodunojuwu.pdfIn PDF document text
    • https://s3.amazonaws.com/visagogijulep/difiwuvosonodipujabufo.pdfIn PDF document text
    • https://s3.amazonaws.com/setaxilitozuko/rizusagezobutiwenuket.pdfIn PDF document text
    • https://s3.amazonaws.com/rojalexipokadaz/72779939144.pdfIn PDF document text
    • https://s3.amazonaws.com/leguvefu/702_area_code_zip_code.pdfIn PDF document text
    • https://s3.amazonaws.com/loxopudizus/machine_preventive_maintenance_report_sample.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_off0000decb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDECB 4864 bytes
SHA-256: 3880150c03ac245dcd6946681a3071b332a63d8fdc5fc9efa680a576d6926364
font_01_sfnt_off0000ef46.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF46 9936 bytes
SHA-256: 83f8b7cc5540e748b5e3235fc007b17fd9bcea812e31bec254845ccfe47d1db5