Malicious PDF — malware analysis report

Static analysis result for SHA-256 df06d4c300533cf9…

MALICIOUS

PDF

54.4 KB Authoring application: PDF Studio
MD5: 61c38f7d2abd0f66d21379dbf163b28f SHA-1: 1978091c9c479105ef7eab209550fee2258b5aa4 SHA-256: df06d4c300533cf9a411c074292fb106f31ec03a2717faf93f4261f7e51ff0b8
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 external links to other PDF files hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely related to phishing or traffic redirection.

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://naimahusseini.de/uploads/1/3/0/5/130589165/xafalufukoboj.pdf
    • http://demenagementcd.com/uploads/1/3/0/7/130740196/megejikadokile.pdf
    • http://rideandtrain.com/uploads/1/3/0/4/130477028/a384fcd.pdf
    • http://asiaoutdoors.com.vn/uploads/1/3/0/7/130740392/wajivavo.pdf
    • http://spigotscience.com/uploads/1/3/0/7/130776741/8133372.pdf
    • http://8ii8.us/uploads/1/3/0/6/130639887/1c76ad8df.pdf
    • http://blackboxgoddess.com/uploads/1/3/0/5/130588513/2494013.pdf
    • http://jinyu.us/uploads/1/3/0/6/130621473/6bf64fc2.pdf
    • http://hushpuppypetmassage.com/uploads/1/3/0/3/130313192/vururisivi-dabefiromimelin-dovoko.pdf
    • http://sithicas.com/uploads/1/3/0/6/130604397/3988528.pdf
    • http://nw2.me/uploads/1/3/0/5/130550769/1449049.pdf
    • http://nerangtiles.com/uploads/1/3/0/8/130813539/ea4dbafb0c96244.pdf
    • http://dgias.pl/uploads/1/3/0/4/130489122/78103a36c0c5b3.pdf
    • http://donnamalonescience.com/uploads/1/3/0/7/130775472/9523002.pdf
    • http://mta-sts.mx.stipplestudio.com/uploads/1/3/0/6/130639662/8179098.pdf
    • http://tmpropertysolutions.com/uploads/1/3/0/6/130640208/bumatagoto.pdf
    • http://webdisk.kreivila.fi/uploads/1/3/0/8/130814110/d8f84d.pdf
    • http://hostmaster.stichtingcomplex.nl/uploads/1/3/0/4/130477074/matopisu.pdf
    • http://supermaggie.net/uploads/1/3/0/9/130969659/1142391.pdf
    • http://www.pathpublications.com/uploads/1/3/0/9/130969488/sakez.pdf
    • http://macym.org/uploads/1/3/0/9/130969993/9750749.pdf
    • http://metropolitaneprep.com/uploads/1/3/0/6/130604013/6518964.pdf
    • http://wagenselleryoga.com/uploads/1/3/0/6/130620560/130620560.html#quantitative+aptitude+questions+and+answers+pdf+free+download

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000415b.bin
1723f1ced37cc89d69e30f3df6281c5e5fb8989544fd4587aa75b00c91af2fd0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x415B 1388 bytes
font_01_sfnt_off00004ae1.bin
f11c64d01e7e54acbf00a0f8e39ca7164fab18c502b8f91c011e5037e266108c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4AE1 14412 bytes
font_02_sfnt_off000073a6.bin
d9751a3d328a973c75fbcfac74ac8e94a44f581f04d15e7567a29fa2feb30c18		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73A6 8100 bytes

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