Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c9a96f082e8d020…

MALICIOUS

PDF

112.1 KB Authoring application: SWFTools First seen: 2020-09-24
MD5: 07d842e669c83de40e3abbf170dcddfb SHA-1: 8cc3a73668ad3fdb321cdaff5c3ba2dbfb2fe7d1 SHA-256: 1c9a96f082e8d020e5f18f5717a71556fb657f125854037903ae31682b095a4c
192 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.001 Malicious Link

The PDF contains a link farm with numerous external URLs, indicating a phishing or scam attempt. The heuristic 'SE_BROWSER_INSTALL_LURE' confirms that the document's content is designed to trick the user into installing a browser extension or update. This is a common social engineering tactic to facilitate credential theft or malware installation. The ClamAV detection further supports the malicious nature of the file.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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 http://bhpaschoolinspain.com/uploads/1/3/0/2/130288310/gobaleloridipuwe.pdf In PDF document text
    • http://www.supportingdevelopment.com/uploads/1/3/0/2/130271063/ad29a6.pdfIn PDF document text
    • http://danducandu.com/uploads/1/3/0/4/130478057/2a6a20eadec.pdfIn PDF document text
    • http://dsabids.com/uploads/1/3/0/4/130477663/6e6248419.pdfIn PDF document text
    • http://performanceinc.club/uploads/1/3/0/2/130274338/tagewetozinas-zekasubewalixo-silazaxeramejon-lalulaxuvutibo.pdfIn PDF document text
    • http://definitelyrachel.com/uploads/1/3/0/6/130604627/3975628.pdfIn PDF document text
    • http://realfoodinitiatives.com/uploads/1/3/0/7/130739180/ramisujanuzi-latolir-bifev-setomiwikolip.pdfIn PDF document text
    • http://allencabinetshop.com/uploads/1/3/0/6/130620230/wejezedesap.pdfIn PDF document text
    • http://designadrum.com/uploads/1/3/0/6/130621160/1607480.pdfIn PDF document text
    • http://www.hirstandcompany.com/uploads/1/3/0/3/130313427/jegipujodeluxikaf.pdfIn PDF document text
    • http://matgskinner.com/uploads/1/3/0/3/130379331/joveraludep_midebum_bomajumami.pdfIn PDF document text
    • http://capacityperformance.bardosdiamondsports.com/uploads/1/3/0/3/130313595/130313595.html#plate+tectonics+and+the+continental+drift+theory+are+differentIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002448.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2448 9520 bytes
SHA-256: 6b2f35e2d848ea19710e16563615c4d77260530c8888b18e48fd8be298b22783
font_01_sfnt_off00017d38.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17D38 3932 bytes
SHA-256: de2297662dbe229d67e7b7024492c73963dbb162e8d47db466d52b7cb21c240d