Malicious PDF — malware analysis report

Static analysis result for SHA-256 7155ad6d38cefcbe…

MALICIOUS

PDF

66.7 KB Created: 2021-01-24 13:45:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 799036ba2ad2959bd07a9f4d023dd8b2 SHA-1: a61c51783636b9f9a93780a5dd3a531120a4ce6d SHA-256: 7155ad6d38cefcbe67840af1808391cd88dc54e31ed54b3564f94979351476f5
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://druttle.ru/wb?keyword=twister%20des%20moines%20iowa PDF link annotation
    • https://cdn.sqhk.co/bepotedaxus/deidRhf/easy_frosting_recipe_with_confectioners_sugar.pdfIn PDF document text
    • https://cdn.sqhk.co/joduragenep/ajV2Yhh/trending_hd_video_songs_download.pdfIn PDF document text
    • https://cdn.sqhk.co/vujagefamig/ifcYjaf/fivivajew.pdfIn PDF document text
    • https://cdn.sqhk.co/fazovivum/mifiijd/duck_hunting_guides_houston_texas.pdfIn PDF document text
    • https://cdn.sqhk.co/bumadawab/JAggwbb/58685254933.pdfIn PDF document text
    • http://kinoxca.xyz/gututazoxr199.pdfIn PDF document text
    • http://golomashvanna.xyz/940056440401tu9.pdfIn PDF document text
    • https://cdn.sqhk.co/rukokota/ggigRZD/8958145306.pdfIn PDF document text
    • https://cdn.sqhk.co/gukugifixija/ggg5gha/noriku.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4376612/normal_5ff2e065183d9.pdfIn PDF document text
    • https://cdn.sqhk.co/semejegofip/Ujfjejg/live_stream_tv_apk_cracked.pdfIn PDF document text
    • https://cdn.sqhk.co/gobuwovuv/jfjdje7/heart_3d_model_animation.pdfIn PDF document text
    • https://cdn.sqhk.co/tiwumixe/8geeXoT/kadebumuv.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/bipovoromoj/actine_sabonete_liquido_bula.pdfIn PDF document text
    • https://s3.amazonaws.com/tuzamada/insulin_treatment_guidelines_2019.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_off0000ca05.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCA05 4980 bytes
SHA-256: ea6d089452d40a1fc1d0bb110e22afdf40586f0a5f56a5c9364c38c9051ee6c7
font_01_sfnt_off0000dae8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDAE8 10268 bytes
SHA-256: 45ba7e5f5522d40ed1935634d8a5f60826d35f59d8212e95f3451222e1f30b59