Malicious PDF — malware analysis report

Static analysis result for SHA-256 574fbc7292087bfd…

MALICIOUS

PDF

53.2 KB Authoring application: Solid Converter PDF First seen: 2020-09-24
MD5: 5ac6a56ef2e8d70b876b26c1d4cae18a SHA-1: 2e70ab7ec44cf6b03cc695ae862187dff53a5c7d SHA-256: 574fbc7292087bfdfd55394bdfce2b57c4fe7c6bc9d5a10b7c5e4f4fab1e2b9b
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, identified as a link farm, pointing to various PDF documents hosted on different domains. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the heuristic 'PDF_SEO_LINK_FARM' strongly suggest a phishing or traffic redirection scheme. The embedded URLs are the primary indicators of compromise, likely serving as lures for further malicious activity.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://konak9.com/uploads/1/3/0/2/130289184/28e027dd5.pdf In PDF document text
    • http://pesoxi.modulzavod.club/uploads/2020/01/28/ritalifetev.pdfIn PDF document text
    • http://fale.instrumentwire.club/uploads/2020/01/27/vumegenegikevog.pdfIn PDF document text
    • https://voredana.weebly.com/uploads/1/3/0/2/130289638/kiditu.pdfIn PDF document text
    • http://mnbvcx.xyz/uploads/2020/01/28/8607494.pdfIn PDF document text
    • https://minixita.weebly.com/uploads/1/3/0/3/130323219/af22728617.pdfIn PDF document text
    • http://miseniorcenters.com/uploads/1/3/0/2/130272509/debawunanisud_nevusis_rezatefef_dumizalesul.pdfIn PDF document text
    • http://comicjunky.net/uploads/1/3/0/2/130287542/makad.pdfIn PDF document text
    • http://clcboston.com/uploads/1/3/0/4/130483322/selimutov.pdfIn PDF document text
    • http://kylaconner.com/uploads/1/3/0/6/130639546/130639546.html#formation+chaud+froid+tunisieIn PDF document text
    • http://fontawesome.iohttp://fontawesome.io/license/In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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
stream_004_off00007202.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x7202 27196 bytes
SHA-256: c3ff130e37a95766effb8e8f1c9c451309c776b2e2ece440e9126e3f68947758
font_00_sfnt_off00001220.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1220 9064 bytes
SHA-256: 2e18e4d3c943118554d7bed757be422d6f5d320211ea09cd4ecc819d4959ae6f
font_01_sfnt_off00006747.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6747 1544 bytes
SHA-256: b095009e1aa7b679086a2dd093949a1e2bfdfa179c83d9e64a20210f199a406d

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