Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd3288f3ab86ac9a…

MALICIOUS

PDF

71.1 KB Created: 2021-02-18 02:05:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 147a6f6f8a01236eed47361c7119c103 SHA-1: 269374663c3f434d17e672357834dbc08669b63a SHA-256: fd3288f3ab86ac9a85a9e1b3bcbc8063c86e44bfe8cc737893a6bf7a63a637a9
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://seumenha.ru/wix?keyword=nintendo+3ds+apk+free PDF link annotation
    • https://lazezareb.weebly.com/uploads/1/3/4/3/134311903/3394439.pdfIn PDF document text
    • http://philonio.online/long_and_short_e_worksheets62pj4.pdfIn PDF document text
    • http://feedbacrnz.space/lukipesirbaeb.pdfIn PDF document text
    • https://piwomokoxik.weebly.com/uploads/1/3/5/3/135335333/b1ef215e4.pdfIn PDF document text
    • http://edalovert.xyz/nefrologia_clinica_hernando_4ta_edicfk5qd.pdfIn PDF document text
    • https://cdn.sqhk.co/mojupesonon/Jiajisu/epsxe_emulator_bios_for_android_free_download.pdfIn PDF document text
    • https://pifonexivusefeg.weebly.com/uploads/1/3/1/0/131070190/49e7d54ebfb29.pdfIn PDF document text
    • https://cdn.sqhk.co/jutigurotow/gEhekKF/galaxy_watch_3_bands_mystic_bronze.pdfIn PDF document text
    • https://borobufa.weebly.com/uploads/1/3/1/4/131406827/4624505.pdfIn PDF document text
    • https://cdn.sqhk.co/fipimomozuk/fBoRijH/shot_clock_basketball_for_sale.pdfIn PDF document text
    • http://gdztut.com/fashion_design_powerpoint_templates_freergrwl.pdfIn PDF document text
    • https://zekasujiminog.weebly.com/uploads/1/3/4/3/134366003/8d4e40d37a712b5.pdfIn PDF document text
    • https://cdn.sqhk.co/luwivimexu/ZBfdIQX/free_international_calls_online_without_registration.pdfIn PDF document text
    • http://nuverlites.online/arlo_app_apkzq2zf.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000daf5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDAF5 5200 bytes
SHA-256: f11934bc67ab239dfeb6d0c5ed962a2d8d529f13618790b2906e2d8418d31001
font_01_sfnt_off0000ecc3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xECC3 10240 bytes
SHA-256: a3224a4a7ce61ad2e61674c406bbc6f6f0b3a05e37ed8b1988aeec2f1d0fef44