Malicious PDF — malware analysis report

Static analysis result for SHA-256 5382cace31d52e42…

MALICIOUS

PDF

70.1 KB Created: 2021-02-21 03:15:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: b44780a79a3231274e6b85103464012f SHA-1: 61637ee314f372f50d2204ca39f3000c7401efcf SHA-256: 5382cace31d52e42f436a4b0d67c38340bdd864db2c07b3e55e9f73b8ed83ccb
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://druttle.ru/wix?keyword=the+hobbit+teacher+guide+memoria+press PDF link annotation
    • http://babixuxuw.22web.org/samagilubikezo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4486363/normal_5fe63b3fe3353.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4468294/normal_60185648c4a6a.pdfIn PDF document text
    • http://itayoga.space/xejumitijurelifedabusupioiojo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4479462/normal_5fd698969bf9d.pdfIn PDF document text
    • http://pollsexpert.com/kidotaravmghaj.pdfIn PDF document text
    • http://heleogose.online/american_gangster_english_subtitles_free7ddnz.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4478669/normal_600cfd4fbb924.pdfIn PDF document text
    • http://wirelessinfo.ru/telugu_wedding_invitation_video_templates2ol2y.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4499972/normal_5fd03dfc5b99a.pdfIn PDF document text
    • http://muziwavesos.iblogger.org/pezigudubibo.pdfIn PDF document text
    • http://juzajikadig.22web.org/firitederagoz.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490929/normal_602c4b1334a1d.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://vusukunuvedigup.epizy.com/tujaxe.pdfIn PDF document text
    • http://murarefap.epizy.com/81764683156.pdfIn PDF document text
    • http://zavipazo.epizy.com/fly_on_coldplay_sheet_music.pdfIn PDF document text
    • http://zogojazaje.rf.gd/4768610170.pdfIn PDF document text
    • http://vokutenux.epizy.com/67151828954.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_off0000d5a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD5A6 5544 bytes
SHA-256: 89106d5efcdc518fc7705d17268221b9198b94dc33b8f4cc591ffbd340fb6f58
font_01_sfnt_off0000e847.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE847 10252 bytes
SHA-256: 11f946039cef93bdeec3dbdf7f3a05eeab86be67bc0ff414d88aca2bf69cd2e8