Malicious PDF — malware analysis report

Static analysis result for SHA-256 ecbe13f77168a70d…

MALICIOUS

PDF

36.8 KB Authoring application: Adobe PDF Library 9.0
MD5: 4e7f44b10f9215a10a15dc47d6239c5f SHA-1: 17ef6fd7ce755d4f789949c327ff09e07e0dd4e8 SHA-256: ecbe13f77168a70d982cb104ca1a13dc08af60b8c0e3c7b57edea79d04d8b0e5
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection also flags this as Pdf.Phishing.TtraffRobotInstall. The embedded URLs are likely used to redirect users to malicious content or phishing sites. No scripts were extracted from this sample.

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://scattered-leaves.com/uploads/1/3/0/5/130547486/sutozib_lapifakixujimul.pdf
    • http://hostmaster.text-solutions.co.uk/uploads/1/3/0/5/130539763/ffacdb.pdf
    • http://webmail.horseandpetportraits.com/uploads/1/3/0/6/130621916/dadukimosuremewizuki.pdf
    • http://provonpr.com/uploads/1/3/0/7/130775753/6ecf170.pdf
    • http://immediateinsight.com/uploads/1/3/0/7/130776206/fowogelutetaw.pdf
    • http://dropdeadgorgeousbybrittany.com/uploads/1/3/0/5/130538986/112ea04939c0fca.pdf
    • http://www.yogabirth.ca/uploads/1/3/0/5/130551585/c96c7ab1c0e06e.pdf
    • http://www.secure.service-netflix.com/uploads/1/3/0/6/130639166/2432db.pdf
    • http://mail.gospeltherapy.com/uploads/1/3/0/2/130291689/8fa0123fcd8.pdf
    • http://mojohomeautomation.com/uploads/1/3/0/3/130323674/damajijozafowa_baginigezap.pdf
    • http://sweettuth.shop/uploads/1/3/0/4/130488779/3139919.pdf
    • http://livegreaterdayton.com/uploads/1/3/0/4/130483862/wuwofom.pdf
    • http://carolsblingboutique.com/uploads/1/3/0/7/130738821/130738821.html#endomorph+eating+to+lose+weight

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000384b.bin
f47194a820a58cfc9cf03e6127d0525b1d280ccbe415ad1c531f51eb5cbf8af5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x384B 7792 bytes

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