Malicious PDF — malware analysis report

Static analysis result for SHA-256 d34a60e9644fe922…

MALICIOUS

PDF

31.9 KB Authoring application: OpenOffice.org
MD5: 6b7b6fa3671cdf9bfb43826b393a29c3 SHA-1: 56101d5b447bc22eb89ff06c55ffb24db19940c0 SHA-256: d34a60e9644fe9222911bde869585314631996472cce6d830e388178e5066f0f
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 files, identified by the PDF_SEO_LINK_FARM heuristic. This technique is commonly used to create link farms for SEO manipulation or to distribute phishing lures. The ClamAV detection '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://acifte.org/uploads/1/3/0/5/130589397/9647128.pdf
    • http://casualmondayscomedy.com/uploads/1/3/0/5/130589099/5656436.pdf
    • http://sacredselfempowerment.com/uploads/1/3/0/6/130620951/watejeg_gusame_ketanux_jobujuvuv.pdf
    • http://mscenterofsoutherncalifornia.net/uploads/1/3/0/6/130639312/3382994.pdf
    • http://stefaniefletcher.com/uploads/1/3/0/4/130483193/sebovaxuwu-wuzisipox-pezenor.pdf
    • http://mindlab-uk.org/uploads/1/3/0/5/130551182/datem-furiduvelixalej.pdf
    • http://marinecitydentist.com/uploads/1/3/0/4/130488286/4088986.pdf
    • https://rovisara.weebly.com/uploads/1/3/0/5/130588751/gibekawer.pdf
    • http://transformationhandbook.com/uploads/1/3/0/4/130483086/6360443.pdf
    • http://ndchair.com/uploads/1/3/0/8/130814063/130814063.html#lagu+balada+pelaut+cover

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001372.bin
7805b67e22799c6501b09cc4e37dfda94b8b5bec5068af898f37863c567febbb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1372 7504 bytes

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