Malicious PDF — malware analysis report

Static analysis result for SHA-256 97098dd8f196ca91…

MALICIOUS

PDF

65.3 KB Created: 2021-02-28 18:40:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: ace185ae4a660a1fedafd2190e01c39b SHA-1: fbd63e9ea5a3ab44d11633ecb212acad59ed0510 SHA-256: 97098dd8f196ca910d0c69f6350283f45f271f59423a747d2b2540059f1fd8e9
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=no+subestimes+a+dios+de+dios+nadie+se+burla PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4368951/normal_5ff09a11a5d6c.pdfIn PDF document text
    • http://jolowenifar.iblogger.org/anterior_staphyloma_formation.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4503033/normal_60323d29c2f7a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4503050/normal_5fd6c8e6f1b22.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366302/normal_603639a1df11f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4419654/normal_5fdeb47acbef3.pdfIn PDF document text
    • http://dunetetemob.22web.org/kent_college_canterbury_uniform.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4421474/normal_6000319aef8ef.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4476767/normal_60298e7be2170.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/kagedatabujo/28946839578.pdfIn PDF document text
    • http://kokozebe.rf.gd/xamot.pdfIn PDF document text
    • https://s3.amazonaws.com/sorapobuk/gathering_dreams_income_report.pdfIn PDF document text
    • http://fidawakuxut.epizy.com/who_owns_wgn_tv.pdfIn PDF document text
    • http://felalosekubav.epizy.com/industry_report_definition.pdfIn PDF document text
    • https://s3.amazonaws.com/rutufokedizon/wibebitabatebuzat.pdfIn PDF document text
    • http://gupufodoluvasa.rf.gd/valkyrie_profile_lenneth_android_obb.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_off0000c224.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC224 5080 bytes
SHA-256: 41fa60a9d830c161ee6566ebbc63d63833258ffa59a59bf8139dc5a2887108e0
font_01_sfnt_off0000d349.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD349 10600 bytes
SHA-256: 6efce7d6ae1ce25f73d48c01ae7be631a8c74b4f14a57243cbb37bbc7ef6f98a