Malicious PDF — malware analysis report

Static analysis result for SHA-256 8310fcd0f71b1e50…

MALICIOUS

PDF

40.3 KB Authoring application: OpenOffice Draw
MD5: 722292d52a252c9959ada938836cbdcc SHA-1: 3b57c339fa9ab667549d5d4a8c346b2fd8be2962 SHA-256: 8310fcd0f71b1e506ef80e6e33630b24cfebec2c6dafa19698ebc24bd067e653
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF files, a technique commonly used for SEO manipulation or to distribute phishing content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

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://wuhana.com/uploads/1/3/0/3/130313289/1a2e02c9c5.pdf
    • http://insuranceexecutive.net/uploads/1/3/0/7/130776220/666cf71254a6.pdf
    • http://ruthlessjewess.com/uploads/1/3/0/6/130621382/10b7b44e55c23.pdf
    • http://mta-sts.rangehoodguy.com.au/uploads/1/3/0/2/130272432/tolutemebikeki_niviwavuzinutu_zililejitu_vevuxolevejufe.pdf
    • http://theideal.info/uploads/1/3/0/6/130622051/5453161.pdf
    • http://simplynature-fineartphotography.com/uploads/1/3/0/5/130551160/deboruzaza.pdf
    • http://baniphonecu.com/uploads/1/3/0/7/130775795/bilumure-ninimopozowo.pdf
    • http://808hiphopimprov.com/uploads/1/3/0/4/130488415/jaxunu.pdf
    • http://innovativeirrigation.net/uploads/1/3/0/2/130289711/a47413b6bd.pdf
    • http://www.fallonnaz.com/uploads/1/3/0/4/130476145/zedasujatatamimeti.pdf
    • http://diegobarrenechea.art/uploads/1/3/0/5/130543212/8074009.pdf
    • http://naturallog.net/uploads/1/3/0/7/130738555/lerijaduxazazumakila.pdf
    • http://oatbardicschool.org/uploads/1/3/0/3/130323616/damuwag_vewuwebutigifit.pdf
    • http://simplyessentiallife.com/uploads/1/3/0/5/130539820/wofezarakidirag_puwozo_fefevabatowal.pdf
    • http://officialgh.com/uploads/1/3/0/4/130435766/3759755.pdf
    • http://www.buildingforbettercharity.com/uploads/1/3/0/4/130476145/lodejezexowe-duliji-rizaket.pdf
    • http://perapalace2018placeholder.devsite-1.com/uploads/1/3/0/4/130435633/130435633.html#modern+perspectives+of+psychology+pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002cbc.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CBC 16036 bytes
font_01_sfnt_off00004389.bin
212d525de8ad2c24cd98960eb4b59c8ce3c8dde4db74ae8506b14dccbf0aec3d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4389 7116 bytes

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