Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7330a1b20818056…

MALICIOUS

PDF

44.3 KB Authoring application: Inkscape
MD5: 0f5e3e9bd45545be74536eeb8f4ff183 SHA-1: 7cfa9325ef0c8ea622db8ced0be05a0c128aa995 SHA-256: f7330a1b208180568241309d097bb736dd36ccd80cfdb6fca26a3b28ad34bbbd
150 Risk Score

Malware Insights

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

The PDF file was identified as malicious by ClamAV and an ML classifier. Static analysis revealed a PDF_SEO_LINK_FARM heuristic firing, indicating the presence of numerous external PDF links. The primary URL identified is http://dreamsadvantage.com/uploads/1/3/0/2/130272936/relatidewip.pdf. This suggests the document's purpose is to redirect users to a network of linked sites, likely for SEO manipulation or to host phishing content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://dreamsadvantage.com/uploads/1/3/0/2/130272936/relatidewip.pdf
    • http://musigep.org/uploads/1/3/0/2/130272937/4463114.pdf
    • http://keyconnect.net/uploads/1/3/0/5/130589279/3019223.pdf
    • http://kloudhaus.com/uploads/1/3/0/2/130289508/ximijevoxadizeta.pdf
    • http://shalafreeman.com/uploads/1/3/0/2/130287872/4834050.pdf
    • http://1275ministerial.com/uploads/1/3/0/5/130551391/xodazobug.pdf
    • http://allergysupportcentre.org/uploads/1/3/0/2/130272579/d7b43ce.pdf
    • http://northpointed.com/uploads/1/3/0/6/130620981/mipopukowifuner.pdf
    • http://marketingvampire.com/uploads/1/3/0/6/130639481/lonibetepoleju-jujuremobatuk.pdf
    • http://ellabelleslime.com/uploads/1/3/0/6/130620694/2096834.pdf
    • http://trade-city-award.org/uploads/1/3/0/4/130483993/gerunologidavinelako.pdf
    • http://www.outliersoutpost.co.uk/uploads/1/3/0/6/130620380/razowutuj.pdf
    • http://wadirumtour.com/uploads/1/3/0/6/130640078/1956b66.pdf
    • http://huangguanxianjinwangam8m.br3h.com/uploads/1/3/0/2/130288329/130288329.html#thyroid+carcinoma+ata+guidelines

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003ce3.bin
b3affdfdfee497c2d3230853582529cf395d265bfdbb8cde7d84ae9c33602211		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3CE3 16036 bytes
font_01_sfnt_off0000542b.bin
b5687305ec92389d46eced08935f7dc061ef6fc9a51b1dd378d1ed2be4a43138		 pdf-font-stream PDF embedded font (sfnt) at offset 0x542B 8180 bytes

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