Malicious PDF — malware analysis report

Static analysis result for SHA-256 9408f9ddbcbe169d…

MALICIOUS

PDF

65.1 KB Created: 2021-03-25 15:54:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 1de49dcd026e030c2d9295ed6a9bd24e SHA-1: d953d4196cc41aef7cf77b723589e320c8daff9d SHA-256: 9408f9ddbcbe169de44d25822633a68ff0a69e242effde5706a3c7e7743325df
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8600

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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
  • 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://pelibifir.ru/strik?utm_term=original+tire+size+for+2007+chevy+impala PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4376870/normal_5fe0da35e55e5.pdfIn PDF document text
    • https://tabuwesajusa.weebly.com/uploads/1/3/1/8/131856124/6165238.pdfIn PDF document text
    • https://pinozawekik.weebly.com/uploads/1/3/4/5/134589254/winalelofifipo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4492892/normal_6010c45b3af2e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4367622/normal_5fe142257a11f.pdfIn PDF document text
    • https://digutejuwunapon.weebly.com/uploads/1/3/5/3/135325267/loroloparusabo_sijavalume.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4457620/normal_602ac5935b2a6.pdfIn PDF document text
    • http://wivafojoki.22web.org/score_match_android_gameplay.pdfIn PDF document text
    • https://zofigaxukinepir.weebly.com/uploads/1/3/4/2/134235574/6949900.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470833/normal_60068d7c29d92.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kegigija.atwebpages.com/rokawanavopunupeboj.pdfIn PDF document text
    • http://pasoxivetigo.epizy.com/diagramas_de_clases_uml_ejercicios_resueltos.pdfIn PDF document text
    • http://zezunas.epizy.com/hd_wallpapers_1920x1080_for_mobile.pdfIn PDF document text
    • http://kitasiru.epizy.com/effective_business_writing_skills.pdfIn PDF document text
    • http://zajepatexesa.epizy.com/25290131012.pdfIn PDF document text
    • http://wobanunep.myartsonline.com/genie_intellicode_learn_button_location.pdfIn PDF document text
    • http://badiwoxot.rf.gd/toefl_structure_sample_test.pdfIn PDF document text
    • http://nesitobika.rf.gd/26815881064.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dc7d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC7D 6024 bytes
SHA-256: 4a3b9ee23c7bc7a2aec3fc1ecfad843a5a141e9335f514ebbe924d33bf698526

Open this report in the interactive analyzer, or submit your own file for analysis.