Malicious PDF — malware analysis report

Static analysis result for SHA-256 10e49ef747e8c477…

MALICIOUS

PDF

69.4 KB Created: 2021-02-19 08:09:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: eb49ef97c0791b32672d31755533297e SHA-1: 04cf625c33fb24a967fd471a1f9094511ae9b714 SHA-256: 10e49ef747e8c477969d174fb7fe7cda6e2369d4ab724c62bd72df1d7e9700fb
136 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
  • 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://bologen.ru/wix?keyword=quien+soy+yo+letra PDF link annotation
    • https://cdn.sqhk.co/vasozaponem/OWibDje/93114521389.pdfIn PDF document text
    • https://cdn.sqhk.co/nixivezez/wjcJiiq/neurosis_synonym_english.pdfIn PDF document text
    • https://cdn.sqhk.co/gipekoma/Uggqhdj/sisezigepozok.pdfIn PDF document text
    • https://cdn.sqhk.co/bubuzibiv/qiehfS0/gorajete.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4418762/normal_5fc85200626a6.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4501374/normal_5fc9a38e172d5.pdfIn PDF document text
    • https://cdn.sqhk.co/tiviluluje/jiOSQic/game_summoner_war_mod_apk_5._3._1.pdfIn PDF document text
    • https://cdn.sqhk.co/gozigawefo/bv3x2tC/wobezamurogegodowiwetovo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485322/normal_600d45fa8a8f2.pdfIn PDF document text
    • https://cdn.sqhk.co/fapulelenuvi/chibLRX/mejulawuvugonoxiliwuxe.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4412170/normal_5ff3aab92b8ae.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379722/normal_5ff0b60dd6e75.pdfIn PDF document text
    • https://cdn.sqhk.co/xexegapimuwi/ZjdeiaS/713664113.pdfIn PDF document text
    • https://cdn.sqhk.co/taxotuzu/Hjbiegd/star_wars_space_video_games.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4415524/normal_6027ccd17be24.pdfIn PDF document text
    • https://cdn.sqhk.co/melipetoluf/hcielGg/vekezufigupusabela.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4448735/normal_60141ff042a30.pdfIn PDF document text
    • https://cdn.sqhk.co/kibizatududo/GiaggSF/92702152035.pdfIn PDF document text
    • https://cdn.sqhk.co/goganededem/jgI6fdy/98167313844.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/vinejivunitego/23863057943.pdfIn PDF document text
    • https://s3.amazonaws.com/tobovunoberiki/bapafiraxovogofedetol.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_off0000d197.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD197 4840 bytes
SHA-256: eca47636fc552faecca213c96d11f84d5f78560dcb6a09f77173d75b0a5f49fd
font_01_sfnt_off0000e21f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE21F 11296 bytes
SHA-256: 26fce43beeefd15741879dc92e93ffa0dafa1bb9fec3e3eaad9b0bb1b6f70a6d

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