Malicious PDF — malware analysis report

Static analysis result for SHA-256 a7405a816f076a0c…

MALICIOUS

PDF

70.5 KB Created: 2021-03-05 01:05:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 652699d1d8413fcb4acd0fff9e807110 SHA-1: 7a2c6a3a84322cce3c4d6dd9792f516446a58e01 SHA-256: a7405a816f076a0c3f5a7dfba41a1fb43b354250b55d70afd8bc27ee8ddae497
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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
  • 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://ponafet.ru/award?keyword=how+to+run+a+d%2526d+campaign+on+roll20 PDF link annotation
    • http://nizavevorupuj.mywebcommunity.org/craig_jukebox_bluetooth_speaker_system_instructions.pdfIn PDF document text
    • http://zoneeuro.pro/xazejebilu9lrm.pdfIn PDF document text
    • https://nabebumiz.weebly.com/uploads/1/3/1/4/131452902/vujesiwewe.pdfIn PDF document text
    • http://repaircreditscore.info/4558968717929srv.pdfIn PDF document text
    • https://tibiwoxot.weebly.com/uploads/1/3/4/8/134881218/jaduxuwajopunop.pdfIn PDF document text
    • https://cdn.sqhk.co/dijowasedop/gfKiage/best_deals_on_laptops_melbourne.pdfIn PDF document text
    • https://cdn.sqhk.co/jogeguzotire/SUjajh9/73701836446.pdfIn PDF document text
    • https://medijomozu.weebly.com/uploads/1/3/0/7/130775841/pefapegalitamog_kadana_femaze.pdfIn PDF document text
    • http://gedadekenoz.mywebcommunity.org/jawaluwusiwapelokowol.pdfIn PDF document text
    • https://cdn.sqhk.co/ritasuxa/CgcJaBQ/moon_guide_super_mario_odyssey.pdfIn PDF document text
    • http://paxezot.getenjoyment.net/macbeth_act_2_comprehension_questions_and_answers.pdfIn PDF document text
    • http://xomutukegadoj.mypressonline.com/61360666957.pdfIn PDF document text
    • http://filfex.ru/samsung_smart_tv_55_inch_price_philippinesro22n.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/559a2b71-ab91-4c05-8c59-346d93862d8e/data_science_machine_learning_and_artificial_intelligence.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/caf76f99-692f-4430-9dca-a1e640416094/ivan_bayross_sql_book_free_download.pdfIn PDF document text
    • https://7a3463bf-3117-47cc-940f-ad9d50d05675.filesusr.com/ugd/9f2514_199dd9780cfd4c9d8e8734a80e77804e.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/817d05bb-b06c-467c-96b8-c45139a44ad5/petit_prince_quotes.pdfIn PDF document text
    • https://b00f38ea-0d13-4519-ab0f-1253f0d03ca0.filesusr.com/ugd/289c5e_af7472b4f44549a88d9c0e35cb1e27b1.pdf?index=trueIn PDF document text
    • https://eee5dff6-7331-416e-acdf-593d0c386862.filesusr.com/ugd/21e9e0_d5b8636824ff4b1a93fe2746a6c48016.pdf?index=trueIn PDF document text
    • https://4647adb0-9c01-46a1-aef1-4380d5873f13.filesusr.com/ugd/edb4a7_cba45face9a64f7d9766e8a8f8d2f6ab.pdf?index=trueIn PDF document text
    • https://b3a1a1c9-4f8f-4fb8-b7cc-7339030cc889.filesusr.com/ugd/162fe6_1d90e8ebf7ae4cac9f6e94ef253cf529.pdf?index=trueIn 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_off0000d8b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8B2 4664 bytes
SHA-256: 88ad21c2b835a4f87405a6f0790a8f29cebe82d1831292fc53b50f179bcca45e
font_01_sfnt_off0000e8aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE8AA 10560 bytes
SHA-256: c0d785d9979d167171c9b3196b048f529dcda7a01b00a991ae62380ca91f81be

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