Malicious PDF — malware analysis report

Static analysis result for SHA-256 be6cebb306d0fffb…

MALICIOUS

PDF

73.1 KB Created: 2021-03-01 02:01:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 39ad6bb471fde09678bfd70e2f6299c9 SHA-1: 27892c247017f23a63fff9a26c7075adb9e4621b SHA-256: be6cebb306d0fffbd9dc4576537de2e6b70116f4ef0540b3b71cb07b276a9229
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Security software disable instruction high SE_SECURITY_BYPASS
    Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
  • 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://maypoin.ru/123?utm_term=item+analysis+template+blank PDF link annotation
    • http://mon-compte-cmb.best/how_to_setup_vpn_on_fios_routermogeo.pdfIn PDF document text
    • https://wofovadorobonam.weebly.com/uploads/1/3/0/7/130739883/jupagi_sugowi_zowowore_wawim.pdfIn PDF document text
    • https://laxonetamaj.weebly.com/uploads/1/3/4/0/134096763/femoz-saduwonozirokuf.pdfIn PDF document text
    • http://natalifu.22web.org/gigabyte_aorus_gaming_5_z370_manual.pdfIn PDF document text
    • http://zatoxuvisovapuf.sportsontheweb.net/nissan_50_forklift_specifications.pdfIn PDF document text
    • http://tumerasiwabuzip.22web.org/burger_king_2_for_600.pdfIn PDF document text
    • http://lizoguxumugef.mywebcommunity.org/how_to_test_sexuality.pdfIn PDF document text
    • https://majosipodolonax.weebly.com/uploads/1/3/0/8/130814003/e9cc4966a.pdfIn PDF document text
    • http://nuvagefo.medianewsonline.com/how_to_write_poem_step_by_step.pdfIn PDF document text
    • https://ginamepi.weebly.com/uploads/1/3/6/0/136024017/nipidufuxu.pdfIn PDF document text
    • http://dilogipusatix.22web.org/24516596639.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://vumavoralamo.rf.gd/spotify_premium_offline_apk_2019.pdfIn PDF document text
    • http://ruzekowesa.rf.gd/sosekidotolikebevelepuvi.pdfIn PDF document text
    • http://fufabufitilaf.epizy.com/ann_marie_unlove_you.pdfIn PDF document text
    • http://kapirexazi.onlinewebshop.net/13139857644.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_off0000dfb0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFB0 5112 bytes
SHA-256: 94022b3aea0030b89c104266087c0d24f3cbb919b20684c3f1549e08ddecfd14
font_01_sfnt_off0000f109.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF109 11276 bytes
SHA-256: 183e6eeb9c59715099cf94de3d547f364cb7c31e5bfd29274619bd7bbfe4c174