Malicious PDF — malware analysis report

Static analysis result for SHA-256 df8b647630108d90…

MALICIOUS

PDF

48.0 KB Authoring application: Adobe PDF Library 9.0
MD5: 6764973f8c4ff77b3bfd8f85c90ebfd9 SHA-1: 1005edaa2ccb52ba4f328871f9bc44d96cb331c1 SHA-256: df8b647630108d90eff76810acedc94a02397a0bfea00af4a179d38a90959891
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, forming a link farm. This heuristic, combined with the ClamAV detection of 'Pdf.Phishing.TtraffRobotInstall-7605656-0', strongly suggests a phishing or malicious redirection attempt. The embedded URLs are likely intended to lead users to further malicious content or downloads.

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://ajvincentproductions.com/uploads/1/3/0/6/130621847/maxilumujulidux.pdf
    • http://seattleyouthbasketballfoundation.com/uploads/1/3/0/7/130739278/9254110.pdf
    • http://abundantgracefellowship.org/uploads/1/3/0/5/130551127/89088eee6900042.pdf
    • http://thisisallisonlee.com/uploads/1/3/0/5/130588625/41d8f7fc856c676.pdf
    • http://michelejoyjewelry.com/uploads/1/3/0/5/130543262/95d2c465785a1.pdf
    • http://palmoil-expo.com/uploads/1/3/0/2/130289375/7720575.pdf
    • http://meresoft.net/uploads/1/3/0/6/130604421/9951920.pdf
    • http://zenite.community-presale.online/uploads/2020/01/28/fb941.pdf
    • http://debelug.portbreton.com/uploads/2020/01/28/jiwivamuruxumig_fupemiseraraf.pdf
    • http://ashleyjaynemeyers.com/uploads/1/3/0/4/130476454/a7397421.pdf
    • http://mylunarsign.com/uploads/1/3/0/6/130604049/c62cd47a198b3b7.pdf
    • http://troop14holliston.com/uploads/1/3/0/4/130489410/pawib-gaverojutakej-pemal.pdf
    • http://shardexplorers.com/uploads/1/3/0/6/130621451/130621451.html#naphthalene+powder+msds

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000013ce.bin
878733d1ed4ec404e63e02b6b8cd0a40d69489630fd622f1d437497d189b44ae		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13CE 9124 bytes
font_01_sfnt_off00006c5a.bin
5799fb81e261f6dd50ff9b503e85c44e438542e2bf8c8893756d066a073750d7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C5A 6496 bytes
font_02_sfnt_off00007c46.bin
68a11f2db9549b17d6978a832b03dc0e4ec095596e3bfe552c9e4ef152ad09b1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C46 4000 bytes

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