Malicious PDF — malware analysis report

Static analysis result for SHA-256 e92b02d635d8b7ba…

MALICIOUS

PDF

42.4 KB Authoring application: PDF Studio
MD5: 0066a1be5158949f975ea5b916f2a43e SHA-1: df0c73e31c5fa7cf05409e3c7218aeb3bbf25e9b SHA-256: e92b02d635d8b7ba0236188887c3523114ad3d92685c9247eb16f532eac80971
150 Risk Score

Malware Insights

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

The PDF contains a lure related to GTA 5 cheat codes, which is a common social engineering tactic to entice users to click on malicious links. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external PDF links, with the first being http://cyclorise.co.uk/uploads/1/3/0/6/130605388/tiwodokume_wilarel_bukawore.pdf. This suggests the document is designed to redirect users to a network of malicious sites, likely for phishing or malware distribution. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the malicious nature of the file.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://cyclorise.co.uk/uploads/1/3/0/6/130605388/tiwodokume_wilarel_bukawore.pdf
    • http://smt-hb.ru/uploads/2020/01/28/dujale-daganam.pdf
    • http://becker-energie.fr/uploads/1/3/0/6/130605080/golufuzosesakumuse.pdf
    • http://zonis.td-detstvo.org/uploads/2020/01/28/dolajaneloxi_wefep.pdf
    • http://angellameanix.co/uploads/1/3/0/2/130289603/9275665.pdf
    • http://milleniummobile.ca/uploads/1/3/0/5/130539553/sovib-pitodene-guwonifulokuvo.pdf
    • http://rmckendreeb.com/uploads/1/3/0/5/130588607/befazix.pdf
    • http://vitalityvalet.com/uploads/1/3/0/6/130620705/11082032e5f6fd2.pdf
    • http://ninjamindfulness.com/uploads/1/3/0/6/130605041/zuneje.pdf
    • http://urmomcast.com/uploads/1/3/0/6/130605083/da03f7dc.pdf
    • http://kittyag.com/uploads/1/3/0/3/130313854/wamozigorap.pdf
    • http://theelfbox.com/uploads/1/3/0/7/130738647/130738647.html#is+there+a+money+cheat+code+for+gta+5+xbox+360

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012c5.bin
c50bab7c6c43c64eed86d93194ca942d1d19fd17b5c55338f9398d7d2a307cf1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12C5 8500 bytes

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