Malicious PDF — malware analysis report

Static analysis result for SHA-256 94e3eef763ed799f…

MALICIOUS

PDF

42.6 KB Authoring application: LibreOffice Draw First seen: 2020-09-24
MD5: 48b6a8a7eba6a7771b05041a9559fbb4 SHA-1: a37cf32c3c95822f4296562558c8cc85791810ee SHA-256: 94e3eef763ed799f76fe59f1317442dc3375ee750a494f687553fe667e3a7160
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection also flags it as phishing-related. The embedded URLs likely lead to malicious content or phishing pages, aiming to trick users into downloading further malware or divulging sensitive information. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://bearsvsbabies.org/uploads/1/3/0/6/130605283/5338619.pdf In PDF document text
    • http://urih-art.com/uploads/1/3/0/6/130603887/5943a31e9c3.pdfIn PDF document text
    • http://gitu.lumiprint.ru/uploads/2020/01/28/gulezowisovez_sodesevixa_rilozoripijitef.pdfIn PDF document text
    • http://mychinesewatch.com/uploads/1/3/0/4/130476091/130476091.html#activex+component+can%27t+create+object+macIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 2

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000120c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x120C 8912 bytes
SHA-256: b08cc86761b9d01f1de65194bf8ded9ace797d660fa62ca5dd5196e8370a24d2
font_01_sfnt_off000060c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60C4 16036 bytes
SHA-256: 779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63

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