Malicious PDF — malware analysis report

Static analysis result for SHA-256 e815d43000110b1e…

MALICIOUS

PDF

36.5 KB Authoring application: SWFTools First seen: 2020-09-24
MD5: 30f81fdcccc67c7235ae1e57a123dfe0 SHA-1: 9768c1011b80e5a713324a50be557ae78fb84f85 SHA-256: e815d43000110b1e003f9ca77a9ecf5e6bcb2d14a06915fe29bc1fb088aa12d2
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output strongly indicate malicious intent. The primary function appears to be distributing traffic to numerous external PDF documents, likely for SEO spam or to serve as a landing page for further malicious activity.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • 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://kent-brushes.com/uploads/1/3/0/3/130312920/zugik_teritekarumasiz.pdf In PDF document text
    • http://michaeldeaton.com/uploads/1/3/0/7/130739254/2062108.pdfIn PDF document text
    • http://www.homebodyandthenomad.com/uploads/1/3/0/4/130435870/mijoris-deregogut-meguxudovik-xabupenudut.pdfIn PDF document text
    • http://lucidlabview.net/uploads/1/3/0/6/130603989/ripewo_wulupaka_fedet.pdfIn PDF document text
    • http://criticaluniversitystudies.net/uploads/1/3/0/2/130291724/e953b01c5eb9.pdfIn PDF document text
    • http://thetransformationinprogress.online/uploads/1/3/0/7/130775705/9589258.pdfIn PDF document text
    • http://spoletogreenfun.org/uploads/1/3/0/6/130639656/b10ec665ac3ae.pdfIn PDF document text
    • http://middleagedpinay.com/uploads/1/3/0/5/130546196/e43c1e0.pdfIn PDF document text
    • http://luckyrabbiteditions.com/uploads/1/3/0/4/130435574/mexedoreper-wamiwon-befowif-femukaxusak.pdfIn PDF document text
    • http://noselodeacualquiera.com/uploads/1/3/0/7/130776166/48f9c03.pdfIn PDF document text
    • http://rudgeramos.com/uploads/1/3/0/5/130588806/xorimivuw.pdfIn PDF document text
    • http://sacasta.voyagerwebsites.com/uploads/1/3/0/5/130588599/130588599.html#wifi+hacking+commands+in+kali+linuxIn PDF document text

Related samples 2

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000038b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x38B9 7604 bytes
SHA-256: c64125e239caac520b539d26edeef169c64d06d32becccdb968cbb99dcdfe340

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