Malicious PDF — malware analysis report

Static analysis result for SHA-256 66faa24a3250b89f…

MALICIOUS

PDF

67.8 KB Created: 2021-03-09 10:01:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 4aa27775bfc43db8e924a4f8a92409cc SHA-1: 0ff1db47f654f61ae6d18600db0107968deed405 SHA-256: 66faa24a3250b89fc54607b4eae803125d5bbd58883c1e38f8a10c2ccd647b5f
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://leonvi.ru/wix?keyword=sangean+clock+radio+manual PDF link annotation
    • http://songkfrk.site/renaissance_periodization_vegan_template_review85cox.pdfIn PDF document text
    • http://vbnmcxz.xyz/tax_audit_report_ay_2018-_19vs7p4.pdfIn PDF document text
    • http://tublitalia.space/388016587310nhag.pdfIn PDF document text
    • http://rollernefrit.xyz/53786106932xr1za.pdfIn PDF document text
    • http://lorakuze.sportsontheweb.net/the_divergent_series_insurgent_full_movie_in_hindi_free_download.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459483/normal_5ff3a0c0b4d9d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4453553/normal_5fd09995b3bc5.pdfIn PDF document text
    • http://paxabak.mypressonline.com/banuzimoranaxided.pdfIn PDF document text
    • http://expressday.online/kusuxesebonojadovuke18hx8.pdfIn PDF document text
    • https://ranezilipevag.weebly.com/uploads/1/3/5/3/135392607/6936674.pdfIn PDF document text
    • https://magapevalapa.weebly.com/uploads/1/3/0/8/130874167/wakejulumabebakex.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368767/normal_5fd5fd49ca432.pdfIn PDF document text
    • http://ruvogodozipabiv.scienceontheweb.net/best_way_to_practice_lockpicking.pdfIn PDF document text
    • https://wakuwuwosabi.weebly.com/uploads/1/3/0/7/130776519/rejisevevazadina.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4449184/normal_60269f8ca30d1.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/nedijowewoded/96942546862.pdfIn PDF document text
    • https://s3.amazonaws.com/gozilum/tintin_au_congo_1930.pdfIn PDF document text
    • https://s3.amazonaws.com/migivewuwe/tricare_west_referral_auth_form.pdfIn PDF document text
    • http://zubiluwetij.myartsonline.com/how_do_i_fix_my_dyson_pulsing.pdfIn PDF document text
    • https://s3.amazonaws.com/winumigutam/20604481096.pdfIn PDF document text
    • https://s3.amazonaws.com/retisovojor/what_to_do_if_milk_duct_wont_unclog.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_off0000ce91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE91 5248 bytes
SHA-256: 9752a58c271d682196558a32feb183c4ce1ac528dbcd5dc7c9a5f400033c8afc
font_01_sfnt_off0000e05c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE05C 9808 bytes
SHA-256: 4e860621b2f9864abb19d5cf3a121d8e45da2570c67edd0393b682ae6382f00d

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