Malicious PDF — malware analysis report

Static analysis result for SHA-256 482addb364b85ded…

MALICIOUS

PDF

69.8 KB Created: 2021-02-28 07:15:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 2647030dc8784c811b7631ec04b23350 SHA-1: a13ae7d2e2d62d6fee512608bdccadde99129bf7 SHA-256: 482addb364b85dedc179b194a7bb20c44e1ade62085933c000796c924e17b833
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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=optiplex+745+ram+upgrade PDF link annotation
    • http://rosutob.getenjoyment.net/hp_photosmart_d110_wireless_setup_without_cd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4456165/normal_6027fba40fa45.pdfIn PDF document text
    • https://fefedajukuda.weebly.com/uploads/1/3/1/0/131070841/midalazeretepufil.pdfIn PDF document text
    • https://cdn.sqhk.co/ludafojebi/1jiltib/79543367212.pdfIn PDF document text
    • http://giwapozolaleg.mypressonline.com/tovideposeloxomafoxa.pdfIn PDF document text
    • http://niburufajanuto.sportsontheweb.net/33741775459.pdfIn PDF document text
    • https://cdn.sqhk.co/nazamesuwute/iWSDff3/nintendo_switch_pro_release_date_uk.pdfIn PDF document text
    • http://jenerotisa.mywebcommunity.org/how_to_write_a_legal_advice_letter.pdfIn PDF document text
    • http://vijexibat.mywebcommunity.org/how_long_to_see_results_from_5_2_diet.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379487/normal_5fe6d3eacce60.pdfIn PDF document text
    • https://tipizilij.weebly.com/uploads/1/3/4/4/134462633/vujoga-sogigesibep-puxipatijowel-biketomulamo.pdfIn PDF document text
    • https://wezenazuzive.weebly.com/uploads/1/3/4/7/134764498/3317264.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4448727/normal_5ff780d7ae202.pdfIn PDF document text
    • https://cdn.sqhk.co/moromasi/heXlJUF/93166418097.pdfIn PDF document text
    • http://janorewaxeno.mygamesonline.org/what_is_another_name_for_clearly.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4374715/normal_5fc675d2dd255.pdfIn PDF document text
    • https://mavevataxivira.weebly.com/uploads/1/3/4/6/134600118/5195601.pdfIn PDF document text
    • http://devlp.club/how_much_psi_does_a_good_pressure_washer_have7r9tx.pdfIn PDF document text
    • http://derilezin.sportsontheweb.net/lufutefizorodoledo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://ziwivazud.onlinewebshop.net/69187692477.pdfIn PDF document text
    • http://vexabimumemig.atwebpages.com/diablo_3_crusader_builds_xbox_one.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_off0000d416.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD416 5488 bytes
SHA-256: 2f8f5279d2778b1df28113931191084e113cfbf09c79f5fe679ff918026f895f
font_01_sfnt_off0000e6bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6BF 10288 bytes
SHA-256: 1c59b2fe85855e1c659395da986faec68b48c1ec05f423d0698fe414242fa807

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