Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c7c65685ea17aab…

MALICIOUS

PDF

72.0 KB Created: 2021-03-07 04:53:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 8ef1bcf1f750a5640c2d0a3997ae14a2 SHA-1: 763e902eb22bd97e4f404b1ff64dbb4cc0d16691 SHA-256: 2c7c65685ea17aab08da0cece088e7bfa5c95943e01caec366384b2f00d55d69
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9960

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://jacksth.ru/wix?keyword=holt+earth+science+directed+reading+answer+key+chapter+27 PDF link annotation
    • http://texewofe.22web.org/bitdefender_gravityzone_install_guide.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4386081/normal_5fdbd10ed77ab.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4457862/normal_5ff0a3025506d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4461250/normal_60281448955f6.pdfIn PDF document text
    • http://gosoxegekiri.mywebcommunity.org/nifadikufukuregosotog.pdfIn PDF document text
    • http://nawukebakesejid.iblogger.org/63950729326.pdfIn PDF document text
    • http://tefitagesev.mypressonline.com/smart_watch_u8_bluetooth.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365562/normal_600dca9eab8f0.pdfIn PDF document text
    • http://boguvijuximu.22web.org/xolizemub.pdfIn PDF document text
    • http://gomigapujasep.sportsontheweb.net/espacios_y_subespacios_vectoriales_algebra_lineal_ejercicios_resueltos.pdfIn PDF document text
    • http://loneresel.mygamesonline.org/vizio_e601i-a3_wifi_not_working.pdfIn PDF document text
    • http://jabodaligononu.iblogger.org/48936836228.pdfIn PDF document text
    • http://veselutut.mywebcommunity.org/evangelio_apocrifo_de_tomas_descargar.pdfIn PDF document text
    • http://fudazozotakaxal.mywebcommunity.org/twilight_saga_2008_full_movie_in_hindi_hd_free_download.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jiwoxofor.rf.gd/2007_cadillac_sts_factory_service_manual.pdfIn PDF document text
    • https://4d75d3c9-3a4d-4df6-84ab-e48b83d723e5.filesusr.com/ugd/cdb50c_46322897f56c40808a1aa5423a248b4c.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/vanatul/zawewasaparob.pdfIn PDF document text
    • https://44dd6259-7513-41c7-b2f1-b2b1fc385d2e.filesusr.com/ugd/63022f_d70f1eebd14f4d6d9c969b7a8b36a4cf.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/fojaxexino/street_address_format_australia.pdfIn PDF document text
    • https://s3.amazonaws.com/zopenave/nunugomogunevefasusuxibaj.pdfIn PDF document text
    • https://e8b83640-91e4-44a0-a69f-c2468797902f.filesusr.com/ugd/ee4a13_95d589b6a5594891835f01cbd5888d90.pdf?index=trueIn PDF document text
    • http://xuxalonitu.onlinewebshop.net/40292215885.pdfIn PDF document text
    • https://01c4c9a3-ee74-4db9-a65d-799443b8dbf1.filesusr.com/ugd/a64c8c_f683abe8b97f47cc80ce31a16ef16c46.pdf?index=trueIn PDF document text
    • https://203e7bc3-08d7-4ecc-a8df-f797e0d4a079.filesusr.com/ugd/d4579c_f142a7e20f214201b18a10015bd88c6b.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/roxawo/36854121943.pdfIn PDF document text
    • http://gakilasefit.myartsonline.com/hp_color_laserjet_cp1215_toner_reset.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_off0000dbde.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBDE 5768 bytes
SHA-256: d42063f7cef4cbfb2bb8c05193ee218fda41f173cb06b713fd26e82da21ffe29
font_01_sfnt_off0000ef99.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF99 10148 bytes
SHA-256: 75dad6088449b2856a63668d88607e269ee2badd03f82c58a9c6e52b8d5b5cdc

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