Malicious PDF — malware analysis report

Static analysis result for SHA-256 b47832d0495fd639…

MALICIOUS

PDF

69.6 KB Created: 2021-01-06 09:04:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 4170421136319c5df2086b828e5530e9 SHA-1: 0d441a69e50bb354cee574b7867ebc792326fba9 SHA-256: b47832d0495fd6393b336bceb97d8c84133c73adf5530c460deba81cc8480ab2
154 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF contains a significant number of external links, identified as a PDF_SEO_LINK_FARM heuristic, pointing to various domains including 'trafficel.ru'. This suggests an attempt to create a link farm for SEO manipulation or to redirect users to malicious content. The ClamAV detection and ML classifier further support its malicious nature. The embedded URLs are likely used to distribute further payloads or lead to phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7625

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
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://trafficel.ru/aws?utm_term=arunachalam+tamil+full+movie++tamilyogi PDF link annotation
    • https://xosavufubat.weebly.com/uploads/1/3/4/3/134346154/padoluzodafot.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4490364/normal_5fce869161fd7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403819/normal_5ff3914a4aa44.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://s3.amazonaws.com/tevigotu/football_manager_2019_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/dukajevo/lokalurimaxolokemivaxekim.pdfIn PDF document text
    • https://s3.amazonaws.com/loxopudizus/2005_chrysler_crossfire_owner_s_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/tazopaju/webibugogomazuziliva.pdfIn PDF document text
    • https://s3.amazonaws.com/tanikanaw/26323087105.pdfIn PDF document text
    • https://s3.amazonaws.com/dinisemowoge/33205372134.pdfIn PDF document text
    • https://s3.amazonaws.com/pibabopuduj/niwekapipedoxutawejez.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d54f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD54F 5472 bytes
SHA-256: 225b1abc051b606fb0605a33a47ba3cc273571de12b6e7abc7fbd21f65ce36fe
font_01_sfnt_off0000e84d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE84D 5268 bytes
SHA-256: 38d85ae5bdb6f96cf27a6f02c382fb4b18514448bf954443b5d1c9dec6e58fd3
font_02_sfnt_off0000fa21.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA21 3624 bytes
SHA-256: d6703dcc61eaf251aa85edb1714be737aa8bccd29dfac9b93173bad806694d80

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