Malicious PDF — malware analysis report

Static analysis result for SHA-256 e19a101a221b9b89…

MALICIOUS

PDF

80.3 KB Created: 2021-03-25 02:38:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: df56e16ee7ae445621c2fa7771894356 SHA-1: 54b11985edaa26eb82fc64a3789bcfff254f7fb3 SHA-256: e19a101a221b9b89240da9bfd139ad1f7a0b60f7f9729ca890d49869f929ae65
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://nipisod.ru/wix?keyword=titanium+apk+troypoint PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4463830/normal_5fcc7e8422f4a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4488817/normal_5fcb4c87c26f9.pdfIn PDF document text
    • https://zotejukewas.weebly.com/uploads/1/3/5/3/135347558/sogamawen-dudetebit.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4378856/normal_5ff911982a0b0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4469617/normal_601b43469f90c.pdfIn PDF document text
    • https://sujuxeneme.weebly.com/uploads/1/3/1/3/131380470/jebuveroxenuma.pdfIn PDF document text
    • https://cdn.sqhk.co/zodunoxurob/haijqfW/air_control_2_apk_mod.pdfIn PDF document text
    • https://wapavamo.weebly.com/uploads/1/3/1/6/131637186/7921656.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387219/normal_5ff78fd8297cf.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375528/normal_600187ba8f360.pdfIn PDF document text
    • https://sufosuzupunu.weebly.com/uploads/1/3/1/3/131379650/buguzapalupigo.pdfIn PDF document text
    • https://goguribepolim.weebly.com/uploads/1/3/0/7/130739596/wevojapovedam_lofovakipuvikup.pdfIn PDF document text
    • https://cdn.sqhk.co/buwozumu/hhIbcgh/98776004729.pdfIn PDF document text
    • https://nakalefa.weebly.com/uploads/1/3/4/5/134522788/2806819.pdfIn PDF document text
    • https://cdn.sqhk.co/sebidurubuze/41210jf/dude_perfect_tour_video.pdfIn PDF document text
    • https://pebawatiwokup.weebly.com/uploads/1/3/4/5/134576243/kemomagiruduk-gagemunezubinop-pigevobekegukik-durujujaxor.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4495975/normal_5ff783dc11572.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385863/normal_601f3ee977bb4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4445735/normal_5ffa5c13dbbff.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/7c2f4002-4da8-42ff-9a5a-916a9a57030f/how_to_draw_a_boy_easy_step_by_step.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8c8f59bb-be66-4628-b7e4-12783c8381a4/road_to_hana_map_from_wailea.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8484f608-9e16-41b6-bd55-bfb115c71333/36031294884.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ab93d56c-7097-4105-8d99-976edfb21f05/45082287987.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/36ae0ae3-d5a0-4a18-b080-43717c18a7a9/rivegiri.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_off0000fd65.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD65 4872 bytes
SHA-256: ed213d904301f7d89e22e60690b2c0176ca97e7a3cdb9afa0ef5df243b899ab6
font_01_sfnt_off00010ded.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10DED 11132 bytes
SHA-256: dfce04373f69f5e13a5195529f8dbd09bb1af1e9f1ae564f33c3db411619907d

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