Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6f17f8203b98297…

MALICIOUS

PDF

33.7 KB Authoring application: Adobe PDF Library 9.0
MD5: 6d0484a9909c5f30d8a2b512daa97dd8 SHA-1: d22c7a87b31a3d1a613d34324980ff3eb2f321c2 SHA-256: e6f17f8203b9829729be75aa9a2ec8bc16dbe491458d1c729e776ab315215a79
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 other PDF files hosted on various domains. This behavior is indicative of a link farm or a phishing campaign designed to redirect users to potentially malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification.

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://smiledefenders.net/uploads/1/3/0/5/130588591/7bb6abb.pdf
    • http://motherlodemontessori.org/uploads/1/3/0/4/130476266/8215636.pdf
    • http://timyang.com/uploads/1/3/0/5/130546136/3370669.pdf
    • http://edsoncustomcruisers.com/uploads/1/3/0/6/130622083/domegetiwir-sedilug-vijimezixogowe-wagego.pdf
    • http://connectivityusa.net/uploads/1/3/0/3/130323160/c0e9b2e7323d8d9.pdf
    • http://lofotensea.no/uploads/1/3/0/3/130313484/6a810170.pdf
    • http://enjoni-cafe.com/uploads/1/3/0/5/130547527/vifufigukib-walituna-baguvadiba.pdf
    • http://suchetm.weebly.com/uploads/1/3/0/4/130435532/ffd73.pdf
    • http://outsiderartauction.com/uploads/1/3/0/4/130475918/8794779.pdf
    • http://baystategalvanizing.com/uploads/1/3/0/6/130603764/bekemonusonula-sukuvutoluko-zonumuwebeku.pdf
    • http://budsmotorauctions.com/uploads/1/3/0/4/130489499/jejunibosiboxe.pdf
    • http://nashobavalleyextractco.com/uploads/1/3/0/5/130539553/130539553.html#histogram+worksheet+answer+key

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012e0.bin
793dd05776055b2c80d6b8412a632b7df5f38ab542b016da29e64f39c465d060		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12E0 8012 bytes

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