Malicious PDF — malware analysis report

Static analysis result for SHA-256 3482b9db0385a11a…

MALICIOUS

PDF

70.4 KB Created: 2021-02-22 00:10:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 727580e6ec4e42f5a262e31fe5871b99 SHA-1: d111b7e106e43f419e278872ba52fdb2e8eff22e SHA-256: 3482b9db0385a11a216b54fcf20cb9813c927e3a27e4272c5d544137d6c8df19
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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.
  • 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://baarspo.ru/wix?keyword=fundamentals+of+physics+10th+edition+solutions+manual PDF link annotation
    • http://fishing-rods2.club/car_air_con_leak_repair_costlqyqg.pdfIn PDF document text
    • http://zoo-taxi.site/paralllogramme_non_aplati782bg.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4385435/normal_5fe589cc7fd61.pdfIn PDF document text
    • http://epaytds.xyz/wugebugejatuxajumowapipon.pdfIn PDF document text
    • https://cdn.sqhk.co/satofurijob/jxDWXg2/mimpi_ular_kuning_putih_menurut_islam.pdfIn PDF document text
    • https://cdn.sqhk.co/nebafori/hfEicha/unlimited_internet_speed_test.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368951/normal_5ff65654c35f2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413563/normal_5fdc6b1ae1e3d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4445331/normal_600bfe896b64d.pdfIn PDF document text
    • https://cdn.sqhk.co/bagadogod/cCijjdp/rudobavefibeguwew.pdfIn PDF document text
    • https://jibunomo.weebly.com/uploads/1/3/5/3/135348462/5925139.pdfIn PDF document text
    • https://nijikubu.weebly.com/uploads/1/3/5/3/135347783/faduxejebi_fafizafibowo.pdfIn PDF document text
    • https://cdn.sqhk.co/dagosasojo/eUo7jcZ/83178725135.pdfIn PDF document text
    • https://dulumomotuvubu.weebly.com/uploads/1/3/4/7/134759228/2155217.pdfIn PDF document text
    • http://krokoboko3.xyz/brave_frontier_female_charactersa26gp.pdfIn PDF document text
    • https://voruvagozi.weebly.com/uploads/1/3/4/7/134742827/fewezugezekidoru.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zevazunepig.rf.gd/57513172696.pdfIn PDF document text
    • http://zovogimobidel.rf.gd/quaker_state_oil_rebate_form.pdfIn PDF document text
    • http://ninukak.epizy.com/21572026984.pdfIn PDF document text
    • http://xegunapajom.epizy.com/cape_landform_fun_facts.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_off0000d29a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD29A 5552 bytes
SHA-256: f1d8a5c52fd913febbed5e594f781477ac1c6e2377d7a4ded1df99be7556a480
font_01_sfnt_off0000e56b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE56B 11756 bytes
SHA-256: 92a04adf21e9b699366344a2058e2b576a22986aae117a567cceb22d5b60b41b

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