Malicious PDF — malware analysis report

Static analysis result for SHA-256 d4478b48344c7f49…

MALICIOUS

PDF

57.7 KB Authoring application: OpenOffice.org
MD5: 6d88cfff01bc2b2fc9928c4b4a29e94e SHA-1: 32871981f896f0d20e35dc8be8d38dade3aba96e SHA-256: d4478b48344c7f49bb3a663c5e6338ff68b38517163be1fa77571d73be016f9e
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links to external PDF files hosted on various domains. This technique is commonly used to distribute phishing content or redirect users to malicious websites. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. 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://merryxmasgreetings.net/uploads/1/3/0/6/130621003/gubatasapotaladopad.pdf
    • http://shopsassybee.com/uploads/1/3/0/7/130775629/9312970.pdf
    • http://lindseymarina.com/uploads/1/3/0/7/130739949/lukugamexokem.pdf
    • http://mysteryplus.nl/uploads/1/3/0/5/130538985/7892941.pdf
    • http://addaihealthedu.net/uploads/1/3/0/3/130312952/gusaludozuse.pdf
    • http://carlysutherland.com/uploads/1/3/0/6/130620912/9675bfdc07f2a3.pdf
    • http://southernfrontrange.com/uploads/1/3/0/5/130588843/muwagakaka.pdf
    • http://naema.ca/uploads/1/3/0/6/130621614/dejoniw_ziwuruzederizog_zivugaj_fuzuru.pdf
    • http://sparklyhealthandlove.com/uploads/1/3/0/4/130435712/fajine.pdf
    • http://mgmalehair.com/uploads/1/3/0/2/130291556/75d2bf6140e4d0d.pdf
    • http://returningtocompassion.org/uploads/1/3/0/3/130313081/7483546.pdf
    • http://laurenaliceavery.com/uploads/1/3/0/7/130739833/natovozugusuzefaf.pdf
    • http://lloydspitalnikphotography.com/uploads/1/3/0/2/130272319/vatajebijelole.pdf
    • http://webdisk.beyondtheinfinitedoorway.com/uploads/1/3/0/7/130739347/kasenevus.pdf
    • http://colo-horse.com/uploads/1/3/0/2/130287934/232f5.pdf
    • http://uphillswim.com/uploads/1/3/0/6/130603889/9943968.pdf
    • http://theashmoon.com/uploads/1/3/0/6/130640071/2227758.pdf
    • http://sheffieldcctvsystems.com/uploads/1/3/0/7/130738806/74ca49c.pdf
    • http://blogg.allegro-as.no/uploads/1/3/0/6/130621213/5b929.pdf
    • http://7wg65.slpny.com/uploads/1/3/0/2/130291676/130291676.html#what+is+shareholder+value+analysis

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001494.bin
ff75cdc9b418b443c1928b902fff7210f508fe985ec5e8051016801072e9afcc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1494 8768 bytes

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