Malicious PDF — malware analysis report

Static analysis result for SHA-256 548e7b04889bc4a7…

MALICIOUS

PDF

28.5 KB Authoring application: Soda PDF
MD5: 72daadf9ea6364bd8a1041464f569c1d SHA-1: 7f0a2488045745fb08bc5de285a5047f7f57a0da SHA-256: 548e7b04889bc4a7b4dda740eba89af821b027da9742adc24133ff7879c97476
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1566.002 Spearphishing Link

The PDF file contains a large number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic-driving intent. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

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://raj108yoga.com/uploads/1/3/0/5/130589239/silukibazovataf.pdf
    • http://chemistreent.com/uploads/1/3/0/7/130739816/pewomikavawo.pdf
    • http://cibailey.com/uploads/1/3/0/4/130435929/vusudol_dodufo_kojanoxixajol.pdf
    • http://www.gagopa.org/uploads/1/3/0/7/130776183/pakuraw.pdf
    • http://studiosix.biz/uploads/1/3/0/6/130604731/6640445.pdf
    • http://bestsquad.us/uploads/1/3/0/6/130605517/6099570.pdf
    • http://computerdashboard.com/uploads/1/3/0/2/130287284/pefunatakawo.pdf
    • http://ukcitizenshipbyinvestment.com/uploads/1/3/0/7/130775940/34c3edeb.pdf
    • http://samsungrepaircenter.net/uploads/1/3/0/7/130739401/1916163.pdf
    • http://senioreducationresource.com/uploads/1/3/0/7/130775279/janefepalapiwog.pdf
    • http://terraholdinggroup.com/uploads/1/3/0/5/130545189/darojoj.pdf
    • http://staceylytle.com/uploads/1/3/0/5/130545597/d1aaf01.pdf
    • http://myacrepairorlando.com/uploads/1/3/0/2/130287291/5568606.pdf
    • http://mostloyalfan.com/uploads/1/3/0/2/130291624/170064d71d19a8.pdf
    • http://nikkishandmadeboutique.com/uploads/1/3/0/6/130620209/6067757.pdf
    • http://mysoundcollective.com/uploads/1/3/0/3/130323581/130323581.html#brachial+plexus+orthobullets

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001987.bin
7a9b4884a5ec47635a872d6507d785d4a5fe4d93b0e116dfc0755b6794006fd2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1987 6096 bytes

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