Malicious PDF — malware analysis report

Static analysis result for SHA-256 1a2d9818705a2a94…

MALICIOUS

PDF

65.0 KB Created: 2021-02-13 22:19:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: ef09bfcc41e274c73f40b76532fbb941 SHA-1: 4123178bfa6335d9fbd2be214c0ac482500d2fb7 SHA-256: 1a2d9818705a2a94b4809cc4b3e7f8792b95b59c42246319b80b59f888b65dc0
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://baarspo.ru/wix?keyword=salt+and+sanctuary+armor+mite+chitin PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4492586/normal_5ff6850211eda.pdfIn PDF document text
    • https://cdn.sqhk.co/puxedimuwo/gdJhehe/ultra_beasts_catch_rate.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452395/normal_600f2ebca6d2f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410985/normal_600ba51e55d5c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4465131/normal_5fe69f6f94b9f.pdfIn PDF document text
    • http://idealica-columbia.site/reravepufabotevuvauf5w1.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4416932/normal_5fc87705b4158.pdfIn PDF document text
    • http://shoppingyxplus.xyz/sylvania_tv_model_ld320ss1_manual07qzq.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4503584/normal_5fd0909cc40b2.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379961/normal_5fe12b2a87cc5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413239/normal_5ff078f4b3a2b.pdfIn PDF document text
    • https://cdn.sqhk.co/kisunika/a4NiiFg/gozalubabasimokujalegi.pdfIn PDF document text
    • https://cdn.sqhk.co/feripamapuv/KYW7hfg/nadiledifa.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4407991/normal_5fc936cf8f4f1.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4414514/normal_6000bfcbe734d.pdfIn PDF document text
    • https://cdn.sqhk.co/kopilixa/bbIHsjf/walking_dead_season_10_episodes_how_many.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4449406/normal_5fcf6e1746fc7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4479916/normal_6000cff60882e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373016/normal_6016df6b870a4.pdfIn PDF document text
    • https://cdn.sqhk.co/fegukajebaj/HRiaWig/82683433178.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000c2ec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC2EC 5384 bytes
SHA-256: 62112fd546ff4394c9f9cf8499a3a49916a80f70ce4d9af1c519da9a4213c94d
font_01_sfnt_off0000d511.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD511 9784 bytes
SHA-256: b96665bce3c94756c6123a18991199aa7f47f35e84fde7f4c08b0ce17ff44fcd

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