Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ae4354b7ca783fe…

MALICIOUS

PDF

37.0 KB Authoring application: Serif PagePlus
MD5: 9eadb34bb93b10ab82778319bb78096d SHA-1: 71b0226827e14a0eca4ed047d0c0fc28b59bce5a SHA-256: 7ae4354b7ca783fe881ab817cb2baf3f1ef1b06056a3ac81af4db2fea34dd390
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical finding for a link farm and ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. The document body contains numerous embedded URLs, suggesting a phishing or malicious content distribution scheme. The primary attack pattern involves leveraging a large number of external links within the PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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 https://fimuneximu.weebly.com/uploads/1/3/0/6/130603815/jeriguxizeka.pdf
    • http://naturallyyourstravel.com/uploads/1/3/0/5/130546657/nogulem_dezalubixibu_vatemoret.pdf
    • http://vtinformatique.weebly.com/uploads/1/3/0/5/130539840/vagiredofovopun.pdf
    • http://voluntourismargentina.com/uploads/1/3/0/2/130289504/1342323.pdf
    • http://bidutifaso.hercareer.pro/uploads/2020/01/29/wegetixe-lugosisabagajum-fodagelekir-boruvezigataj.pdf
    • http://nolu.sumeza.ru/uploads/2020/01/27/90fccba5560d1.pdf
    • https://fijefuwesiko.weebly.com/uploads/1/3/0/3/130313333/8b6b8c.pdf
    • http://imaginaryfriendskc.com/uploads/1/3/0/4/130477064/97fbe9.pdf
    • http://ripivawu.imawareness.ru/uploads/2020/01/29/pinakeboxago.pdf
    • http://tashermer.xyz/uploads/2020/01/28/7954982.pdf
    • http://zozadovubo.cheapoffice.ru/uploads/2020/01/28/jojumavonuvitiva.pdf
    • http://aerofodder.net/uploads/1/3/0/2/130273761/cbc47857ba.pdf
    • http://langleycyberpatriot.org/uploads/1/3/0/6/130604414/4256753.pdf
    • http://fayolanaturalz.com/uploads/1/3/0/3/130379902/88e1099fb3.pdf
    • http://ferbetsy.ru/uploads/2020/01/29/488c1a506.pdf
    • http://misssupremepurityqueen.com/uploads/1/3/0/4/130476795/130476795.html#ms+access+vba+open+report+print+preview

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000147d.bin
4edb69d9bdb25b6cee21ea61fb4cb3b5b5d1532c50055cc013f605173f94f781		 pdf-font-stream PDF embedded font (sfnt) at offset 0x147D 8248 bytes

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