Malicious PDF — malware analysis report

Static analysis result for SHA-256 d1e241427be43979…

MALICIOUS

PDF

33.6 KB Authoring application: LibreOffice
MD5: 59f2eb11fd2d0c36efc691b099885ec3 SHA-1: b6a7fda84812c4428e64bce0be992a2fd1e0604b SHA-256: d1e241427be439795b4001496de7c049004ca6cb17093d2eb310dc2b2036da9f
120 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 ClamAV detection of Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious intent, likely related to phishing or traffic redirection. The document body contains garbled text, suggesting it is not intended for direct user consumption but rather to host the malicious links.

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://millersgardenservicessuffolk.co.uk/uploads/1/3/0/5/130551794/4444052.pdf
    • http://www.ella.brickyardphoto.com/uploads/1/3/0/6/130604388/9813f.pdf
    • http://carroattrezziusati.com/uploads/1/3/0/7/130775379/buvutur.pdf
    • http://addicted-2-gaming.com/uploads/1/3/0/7/130739878/7d7f0.pdf
    • http://milotheclown.com/uploads/1/3/0/4/130489706/menatekeja_kasazaweg_kijufutezesosu_daxagufineg.pdf
    • http://personalnetworkappliances.net/uploads/1/3/0/6/130603760/kimumokig_keroso_leroba.pdf
    • http://jpland21.com/uploads/1/3/0/7/130775612/xomepamuwisiwel_bafebi_fexopakeguri_lovekazopem.pdf
    • http://www.raenyc.com/uploads/1/3/0/9/130969222/f31043f.pdf
    • http://thegiovanestore.com/uploads/1/3/0/2/130272318/zarudezofajipis-rafogap-bofuzi.pdf
    • http://positivelygroovy.net/uploads/1/3/0/8/130814238/sivosodojuluke_fenujovivewu_novabagutewam.pdf
    • http://allnurserd.com/uploads/1/3/0/6/130621800/6c239844b39c0ef.pdf
    • http://xbee.info/uploads/1/3/0/5/130544635/valew.pdf
    • http://michaelshusko.com/uploads/1/3/0/7/130740502/130740502.html#occupational+therapist+autism+spectrum
    • http://positivelygroovy.net/uploads/1/3/0/8/130814238/sivosodojuluke_fenujovivewu_novabagutewa

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002e8d.bin
cedc2421d463c41750d18cd1b93e3b3f747631acf52e94deec262690626d846f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2E8D 6620 bytes

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