Malicious PDF — malware analysis report

Static analysis result for SHA-256 59deb70d29c3718a…

MALICIOUS

PDF

50.1 KB Authoring application: LibreOffice Draw First seen: 2020-09-24
MD5: af85696b1027d3843fe19e7f92103d15 SHA-1: f6a294a5a3e13d0d0965540c50082d463aa4bb45 SHA-256: 59deb70d29c3718a7593efb99883a9a74acdf235c59a4ab436d78b4c61d554f6
152 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded URLs likely lead to phishing pages or further malware downloads. No scripts were extracted, limiting the analysis of specific execution behaviors.

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://tatarstan.travel/uploads/2020/01/29/digogegorizok-zatuk-gerolibubu-pimebusab.pdf In PDF document text
    • http://as-ru.ru/uploads/2020/01/28/wevoferovanoda.pdfIn PDF document text
    • http://benjamindcrowe.com/uploads/1/3/0/4/130476885/f94b2663c.pdfIn PDF document text
    • http://trainingbycarrie.com/uploads/1/3/0/2/130271001/2c8655b04dfd.pdfIn PDF document text
    • http://nirexob.wisdom-olga.ru/uploads/2020/01/28/fanunu.pdfIn PDF document text
    • http://dalidiwe.brainit.ru/uploads/2020/01/27/ladulupepagisijixi.pdfIn PDF document text
    • http://angelac.com/uploads/1/3/0/5/130590241/f5eb19e61.pdfIn PDF document text
    • http://evokefitness.net/uploads/1/3/0/3/130379612/130379612.html#project+x+love+potion+disaster+deathsIn PDF document text
    • http://www.adobe.com/).NotoIn PDF document text
    • http://www.google.com/get/noto/http://www.adobe.com/type/ThisIn PDF document text
    • http://scripts.sil.org/OFLNotoIn 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001200.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1200 10200 bytes
SHA-256: afd28301651b0ba73079e74c164400d1dafd37be777c556ebd5c55037946e8e9
font_01_sfnt_off00005f46.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F46 8584 bytes
SHA-256: 59e9ecedbf677745d206b8a8f894d248bfb8aa01c0b2c31c396eb3218ff4a197
font_02_sfnt_off00007a21.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A21 17824 bytes
SHA-256: 99dc526f6e8a8ce8d0d625a9a980abb96ee4825859167a503d757ecd384c5f21

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