Malicious PDF — malware analysis report

Static analysis result for SHA-256 c59e226647e08c76…

MALICIOUS

PDF

40.4 KB Authoring application: OpenOffice Draw First seen: 2020-09-24
MD5: f2f58f07eadacca04592e82a45c76878 SHA-1: 29e85053901ccf31b0827448c6be7026fec713e1 SHA-256: c59e226647e08c7686e801de89e7756d6e4428ba09b61df3aae56ab7f6185429
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, a common technique for SEO poisoning and phishing. The embedded document body text, while containing seemingly innocuous information about pregnancy, also includes URLs that are part of this link farm. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly suggests a phishing or traffic redirection intent. The heuristic 'PDF_SEO_LINK_FARM' confirms the presence of numerous external links, indicating a likely attempt to drive traffic to malicious or deceptive content.

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://drakensbergsouthafrica.com/uploads/1/3/0/4/130489410/lagivoput-notokivako-sukeb-tikazuto.pdf In PDF document text
    • http://checkthem.in/uploads/1/3/0/4/130493968/jebipokefuneniges.pdfIn PDF document text
    • http://mygreencirclerealty.com/uploads/1/3/0/7/130739016/punimimudanupap.pdfIn PDF document text
    • http://nursingarmpillow.com/uploads/1/3/0/7/130776523/130776523.html#pulmonary+edema+symptoms+pregnancyIn 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

Related samples 8

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_off00000fd3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD3 7772 bytes
SHA-256: a7709cf0fc49f8b1914ffdd8bfd77614ff7988c0dd5b2aa453212819d169a451
font_01_sfnt_off00006357.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6357 2600 bytes
SHA-256: 41d5c9cb4d60b7530e3cfd93a78efd430fe179aa57a8296e74fb8a971da4b0ee

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